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2017 Ford Explorer

Owner reports · Recalls · Investigations

More warning signs than most Explorer years

Owner complaints for the 2017 Ford Explorer are substantially higher than the model-year median of 609.

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When problems were reported

Mileage at the reported incident

849 reports with mileage · 841 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Structure. Review the 655 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 237 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 123 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

34 crash reports11 fire reports36 injury reports

Suspension complaints

57 reports
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Mileage unknown · Sep 15, 2026
StructureSuspension

See attached document for complaint.

NHTSA ODI #11764479

Mileage unknown · Aug 4, 2026
Suspension

New Tow Link replacement from recall 20S62 damage my new Tires. New redesign Toe links are unable to hold alignment and are damaging tires prematurely. I have called the dealer that performed the Service (Citrus Motors in Ontario California) and spoke with Service Manager Cesar. I told him the problem I was having to find a solu…

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New Tow Link replacement from recall 20S62 damage my new Tires. New redesign Toe links are unable to hold alignment and are damaging tires prematurely. I have called the dealer that performed the Service (Citrus Motors in Ontario California) and spoke with Service Manager Cesar. I told him the problem I was having to find a solution, he could not help me. He suggested I pay $280 for a diagnostic and if alignment was the problem that will go towards it. I told him I can not afford to be paying for alignment when the new part can not hold alignment. I request a reimbursement for my new tires for collateral damage from the recall and he said they do not offer reimbursements, they told me to reach out to Ford Customer Service. I reached to Ford Customer Service and they pointed me back to the Dealer. Seems like Ford does not want to take responsibility for they bad replacement parts that do not hold alignment. Seems like there are a lot of customers with this issue and are having to spend hundreds of dollars on replacing the Toe links with after market adjustable Toe Links and installing new tires and having them realigned.

NHTSA ODI #11754760

Mileage unknown · Jul 2, 2026
Suspension

Vehicle was brought in to Magic city ford for a state inspection and was informed that there was a recall on the suspension to replace the tow link in the rear. Vehicle was inspected and tire tread level documented etc . Vehicle was driven 3,000 miles over the next 60 days, including a family trip to the beach. It was then no…

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Vehicle was brought in to Magic city ford for a state inspection and was informed that there was a recall on the suspension to replace the tow link in the rear. Vehicle was inspected and tire tread level documented etc . Vehicle was driven 3,000 miles over the next 60 days, including a family trip to the beach. It was then noticed that the rear tires were completely bald on outer half of the tire with one showing cords. Vehicle was taken to Ford dealership who claimed that the vehicle had been aligned before it left the shop and that where was due to the rear control arms. Owner requested a printout with the before and after alignment information required. Dealership spent an hour trying to find the information and then provided a sheet lacking any of the identifiable information dated 5/1/2026, when the vehicle was there on 4/30/2026. It's truly scary to think what would have happened had I not noticed the tires condition. I do not believe that the rear tires were ever aligned. This is an all-wheel drive vehicle, so internal damage is possible. Ford is refusing to cover anything because it's been 60 days.

NHTSA ODI #11748045

Mileage unknown · Jul 1, 2026
Suspension

My Explorer had Recall 21S32 completed at the dealership on April 1st. The remedy for recall 21S32 was insufficient. Within a month and a half I began hearing a metal clanking noise coming from the rear of the Explorer when I went over bumps. Very quickly the clanking became a lot of frequent loud squeaking. I brought it back to…

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My Explorer had Recall 21S32 completed at the dealership on April 1st. The remedy for recall 21S32 was insufficient. Within a month and a half I began hearing a metal clanking noise coming from the rear of the Explorer when I went over bumps. Very quickly the clanking became a lot of frequent loud squeaking. I brought it back to the dealership and they immediately heard the noise and were able to diagnose the problem as coming from the driver side rear wheel knuckle bushing. The service manager and the master technician both agreed that the suspension problem are a direct result of the recall work that was completed. While the Toe-link recall work was done correctly, the new torque placed on the knuckle bushing directly relating to the recall work has caused it to fail. It is obvious that the underlying defect caused the rear wheel knuckle to fail, leaving the vehicle unstable. Ford corporate is refusing to resolve the secondary structural damage caused by their defective safety component and their Safety Department refuses to provide a timeline for assistance.

NHTSA ODI #11747719

Mileage unknown · Jun 10, 2026
SuspensionWheels

Rear suspension toe links have failed after prior recall repair in Canada in May of 2022. The vehicle is now registered in the US and the recall repair has failed causing driving, suspension, and extreme tire wearing.

NHTSA ODI #11743282

Mileage unknown · Jun 4, 2026
Suspension

I had the rear toe links replaced under recall 21s32 on April 1, 2026. Within a month I started hearing a clunking noise from the back drivers side wheel whenever I hit a bump. My local mechanic looked at the Explorer and said the problem is the knuckle bushing. I contacted the Ford service department and asked them to fix it un…

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I had the rear toe links replaced under recall 21s32 on April 1, 2026. Within a month I started hearing a clunking noise from the back drivers side wheel whenever I hit a bump. My local mechanic looked at the Explorer and said the problem is the knuckle bushing. I contacted the Ford service department and asked them to fix it under customer satisfaction program 22N01. They told me I wasn’t eligible but for $185 they could do a diagnostic test and I’d be responsible for the full cost of any needed repairs.

NHTSA ODI #11742044

142,000 miles · Apr 27, 2026
StructureSuspension

The contact owns a 2017 Ford Explorer. The contact stated that while driving at an undisclosed speed, the A-pillar trim on both sides of the windshield started to detach. The contact received notifications of NHTSA Campaign Numbers: 24V031000 (Structure) and 26V101000 (Suspension); however, the parts to do the recall repairs wer…

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The contact owns a 2017 Ford Explorer. The contact stated that while driving at an undisclosed speed, the A-pillar trim on both sides of the windshield started to detach. The contact received notifications of NHTSA Campaign Numbers: 24V031000 (Structure) and 26V101000 (Suspension); however, the parts to do the recall repairs were not yet available. The dealer was contacted. The vehicle was not diagnosed or repaired. The dealer confirmed that parts were not available. The contact was informed that parts had been used to repair other vehicles after the contact had scheduled an appointment. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repairs. The manufacturer was made aware of the failure. The approximate failure mileage was 142,000.

NHTSA ODI #11734141

Mileage unknown · Mar 30, 2026
SteeringSuspension

Steering is difficult and makes noises when turning

NHTSA ODI #11727872

Mileage unknown · Mar 25, 2026
Suspension

I was driving 30 MPH down a country road and the drivers side toe link broke about putting me in the ditch

NHTSA ODI #11727135

138,871 miles · Mar 24, 2026
SuspensionCrashInjury

The contact owns a 2017 Ford Explorer. The contact stated that after the completion of NHTSA Campaign Number: 20V675000(Suspension), the vehicle started experiencing suspension failures. The contact stated that while driving at various speeds, the vehicle vibrated and made an abnormal clunking sound. Additionally, the contact st…

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The contact owns a 2017 Ford Explorer. The contact stated that after the completion of NHTSA Campaign Number: 20V675000(Suspension), the vehicle started experiencing suspension failures. The contact stated that while driving at various speeds, the vehicle vibrated and made an abnormal clunking sound. Additionally, the contact stated that while driving 30 MPH, the vehicle felt like the front end suspension was fighting with the rear end suspension, causing the contact to lose control of the vehicle, and the vehicle crashed into a pole. The pole was damaged and bent. The vehicle sustained front-end damage. No police report was filed. The contact sustained seat belt burn and bruising on the right shoulder by the collar bone. The vehicle was driven to Sweets Auto Repair, where suspension repairs were performed. The contact stated that since 2023, the front and rear wheel hub assembly, the rear driver's side upper control arm, the front driver CV axle, the front stabilizer, and the front driver lower control arm and ball joint assembly had been replaced. Additionally, the sway bar link was replaced three times, all four tires were replaced due to premature wear on one occasion, and the front tires were replaced at 4,000 miles due to premature wear on another occasion. The front-end alignment was performed; however, the failure persisted. The vehicle was taken to another certified independent mechanic, where it was diagnosed that the front passenger's side struts were loose and nearly detached, the front driver's side struts were finger tight, the front and rear sway bar links were internally worn out, and all four tires were prematurely worn out and needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure on several occasions. The failure mileage was approximately 138,871.

NHTSA ODI #11726738

Official recalls

13

26V448000 · Structure:body

Jul 14, 2026

Ford Motor Company (Ford) is recalling certain 2016-2019 Explorer vehicles. The roof rail covers may come loose and detach from the vehicle.

Consequence & remedy

Consequence: A detached roof rail cover can create a road hazard, increasing the risk of a crash.

Remedy: Dealers will inspect the roof rail covers and as necessary, repair or replace the push-pins, rail clips, or roof rail covers, free of charge. Interim letters, notifying owners of the safety risk, were mailed August 28, 2026. Additional letters will be sent once the remedy is available, anticipated in January 2027. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26S54. This recall expands previous NHTSA recall number 21V316. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on July 16, 2026.

26V101000 · Suspension:rear

Feb 20, 2026

Ford Motor Company (Ford) is recalling certain 2017-2019 Explorer vehicles. The rear suspension toe links may fracture.

Consequence & remedy

Consequence: A rear toe link fracture can result in a loss of steering control, increasing the risk of a crash.

Remedy: Dealers will replace the toe links, free of charge. Owner notification letters were mailed on March 16, 2026. Owners may contact Ford Customer Service at 1-866-436-7332. Ford's number for this recall is 26S08. This recall is an expansion of previous NHTSA recall number 21V537. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning February 25, 2026.

25V685000 · Equipment:electrical:engine Block Heater

Oct 10, 2025

Ford Motor Company (Ford) is recalling certain 2016-2019 Lincoln MKC, 2016-2023 Explorer, 2019-2020 Fusion, 2019-2024 Ranger, 2020-2022 Lincoln Corsair, Escape, 2021-2024 Bronco, Bronco Sport, and 2022-2024 Maverick vehicles. The engine block heater may crack and develop a coolant leak, causing it to short circuit when the block heater is plugged in.

Consequence & remedy

Consequence: An electrical short circuit can increase the risk of a fire.

Remedy: Owners are advised not to plug in their block heater until the vehicle is remedied. Dealers will replace the block heater, free of charge. Owners will also have a alternative option to replace engine block heater element with a threaded blanking plug, and remove the block heater electrical cord. Interim letters, notifying owners of the safety risk, were mailed December 3, 2025. Additional letters will be sent once the final remedy is available, anticipated September 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25SA4. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on October 15, 2025.

25V347000 · Structure:body

May 23, 2025

Ford Motor Company (Ford) is recalling certain 2016-2017 Explorer vehicles. The driver and front passenger B-Pillar door trim may detach while driving.

Consequence & remedy

Consequence: Door trim that detaches while driving can create a road hazard, increasing the risk of a crash.

Remedy: Dealers will repair the B-pillar trim, free of charge. Interim letters, notifying owners of the safety risk, were mailed June 5, 2025. A second notice will be sent once the final remedy is available, anticipated November 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S53.

24V031000 · Structure:body:roof And Pillars

Jan 19, 2024

Ford Motor Company (Ford) is recalling certain 2011-2019 Explorer vehicles. The A-pillar trim retention clips may not be properly engaged, allowing the trim to detach.

Consequence & remedy

Consequence: A detached trim piece can fall off the vehicle, becoming a road hazard and increasing the risk of a crash.

Remedy: Dealers will inspect and replace the A-pillar trim as necessary, free of charge. This will be a phased campaign, with the remedy becoming available in different phases based on model years. Owner notification letters were mailed between July 18, 2024 and December 16, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 24S02.

21V537000 · Suspension:rear

Jul 15, 2021

Ford Motor Company (Ford) is recalling certain 2013-2017 Explorer vehicles originally sold, or ever registered, in Connecticut, Delaware, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, Wisconsin, and the District of Columbia. Exposure to road salt can cause the cross-axis ball joint to corrode and seize, resulting in a fracture of the outboard section of the rear suspension toe link.

Consequence & remedy

Consequence: A rear toe-link fracture can result in a loss of steering control, increasing the risk of a crash.

Remedy: Dealers will inspect and replace as necessary, the cross-axis ball joint (CABJ) knuckle, and replace the rear suspension toe links, free of charge. This recall is an expansion of previous NHTSA recall numbers 16V-245, 19V-435, and 20V-675. Certain vehicles previously repaired will need to return for the new remedy. An interim notification letter notifying owners of the safety risk were mailed on September 10, 2021. Owner notification letters were mailed on March 16, 2022. Owners may contact Ford's customer service at 1-866-436-7332. Ford's number for this recall is 21S32.

21V316000 · Structure:body

May 5, 2021

Ford Motor Company (Ford) is recalling certain 2016-2019 Explorer vehicles. The retention pins could loosen and allow the roof rail covers to detach from the vehicle.

Consequence & remedy

Consequence: A detached roof rail cover can create a road hazard, increasing the risk of a crash.

Remedy: Dealers will install push-pins and replace any damaged rail clips and roof rail covers, as necessary, free of charge. The interim owner notification letter was mailed on June 22, 2021. Owner notification letters (remedy available) were mailed on October 1, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21S22.

20V675000 · Suspension:rear

Mar 12, 2021

Ford Motor Company (Ford) is recalling certain 2013-2017 Explorer vehicles originally sold, or currently registered in Connecticut, Delaware, the District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, and Wisconsin that were previously repaired under a prior recall numbers 16V-245 or 19V-435. The outboard section of a rear suspension toe link may fracture.

Consequence & remedy

Consequence: A rear toe link fracture can result in a loss of steering control, increasing the risk of a crash.

Remedy: Ford will notify owners, and dealers will inspect the cross-axis ball joint (CABJ) knuckle attached to the rear suspension toe link and replace it as necessary, free of charge. The recall began November 27, 2020. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 20S62.

19V651000 · Seats

Sep 11, 2019

Ford Motor Company (Ford) is recalling certain 2017 Ford Explorer vehicles equipped with power front seats. The seat frames may have sharp edges.

Consequence & remedy

Consequence: Occupants my contact the sharp edges when reaching between the power front seat and center console, increasing their risk of injury.

Remedy: Ford will notify owners, and dealers will install protective tape on the exposed inside edge and tab of the power seat frames, free of charge. The recall began November 8, 2019. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 19S29.

19V435000 · Suspension:rear

Jun 10, 2019

Ford Motor Company (Ford) is recalling certain 2011-2017 Explorer vehicles. The rear suspension toe links may fracture due to stress on the rear suspension.

Consequence & remedy

Consequence: A fractured rear toe link will cause a sudden change in vehicle handling and increase the risk of a crash.

Remedy: Ford will notify owners, and dealers will replace the rear suspension toe links, and inspect both rear toe link ball joints, replacing the rear wheel knuckle(s), if necessary, free of charge. The recall began June 26, 2019. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 19S17.

17V530000 · Steering

Aug 28, 2017

Ford Motor Company (Ford) is recalling certain 2017 Explorer, Taurus and Police Interceptor Utility and Sedan vehicles. The steering gear heat shield fasteners may corrode, allowing the heat shield to detach.

Consequence & remedy

Consequence: If the heat shield detaches, the steering gear may overheat, increasing the steering effort required by the driver, especially at lower speeds, and increasing the risk of a crash.

Remedy: Ford will notify owners, and dealers to inspect and replace the heat shield fasteners as needed, free of charge. The recall began on September 13, 2017. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 17S23.

17V332000 · Seats; Seats:front Assembly:recliner

May 22, 2017

Ford Motor Company (Ford) is recalling certain 2017 Ford Explorer, F-150, F-250, F-350, F-450 and F-550 vehicles equipped with a manual driver's seat back recliner mechanism. In the event of a crash, the seat back frame may not restrain the occupant due to having inadequate welds. As such, these vehicles may not meet the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 202a, "Head Restraints" and 207, "Seating Systems."

Consequence & remedy

Consequence: If the occupant is not adequately restrained in the event of a crash, they have an increased risk of injury.

Remedy: Ford will notify owners, and dealers will inspect and, if necessary, replace the seat back frame, free of charge. The recall began on June 7, 2017. Owners may contact Ford at 1-866-436-7332. Ford's number for this recall is 17C08.

Additional source detail variants (2)

Seats:front Assembly:recliner

Ford Motor Company (Ford) is recalling certain 2017 Ford Explorer, F-150, F-250, F-350, F-450 and F-550 vehicles equipped with a manual driver's seat back recliner mechanism. In the event of a crash, the seat back frame may not restrain the occupant due to having inadequate welds. As such, these vehicles may not meet the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 202a, "Head Restraints" and 207, "Seating Systems."

Consequence: If the occupant is not adequately restrained in the event of a crash, they have an increased risk of injury.

Remedy: Ford will notify owners, and dealers will inspect and, if necessary, replace the seat back frame, free of charge. The recall began on June 7, 2017. Owners may contact Ford at 1-866-436-7332. Ford's number for this recall is 17C08.

Seats

Ford Motor Company (Ford) is recalling certain 2017 Ford Explorer, F-150, F-250, F-350, F-450 and F-550 vehicles equipped with a manual driver's seat back recliner mechanism. In the event of a crash, the seat back frame may not restrain the occupant due to having inadequate welds. As such, these vehicles may not meet the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 202a, "Head Restraints" and 207, "Seating Systems."

Consequence: If the occupant is not adequately restrained in the event of a crash, they have an increased risk of injury.

Remedy: Ford will notify owners, and dealers will inspect and, if necessary, replace the seat back frame, free of charge. The recall began on June 7, 2017. Owners may contact Ford at 1-866-436-7332. Ford's number for this recall is 17C08.

16V925000 · Engine And Engine Cooling:engine:gasoline:turbo/supercharger

Dec 22, 2016

Ford Motor Company (Ford) is recalling certain model year 2016 Ford Taurus, 2016-2017 Ford Flex, Lincoln MKT, 2017 Ford Explorer and Ford Explorer Police Interceptor Utility vehicles equipped with 3.5L GTDI engines. Improperly brazed turbocharger oil supply tubes may leak oil on engine components.

Consequence & remedy

Consequence: An oil leak, in the presence of an ignition source, increases the risk of a fire.

Remedy: Ford will notify owners, and dealers will inspect, and if necessary, replace the turbocharger oil supply tubes, free of charge. The recall began on January 31, 2017. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 16S46.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

2

PE23001 · Windshield Trim Molding Item Detachment

Opened Jan 27, 2023 · Closed Feb 8, 2024

Status: closed (inferred from source dates) · Structure:body:roof And Pillars

On January 27, 2023, the Office of Defects Investigation (ODI) opened PE23-001 to investigate allegations of A-pillar trim panel detachment on model year (MY) 2011-2019 Ford Explorer vehicles. At the time of opening, the office had received 164 Vehicle Owner Questionnaires (VOQs) reporting this failure. ODI has received 671 VOQs regarding this failure, including 1 alleged crash and 2 alleged injuries. Some consumers have reported that the failure occurred while they were driving at highway speeds, with the detached trim panel entering the path of travel of the vehicle behind them, requiring the driver of the following vehicle to take evasive action. It is noteworthy that motorists who experience this type of road hazard are less likely to accurately identify the subject vehicle the item detached from and report the event to the NHTSA. In its April 17, 2023 response to ODI’s information request, Ford provided 175 consumer complaints (including field reports) and 14,162 warranty claims related to A-pillar trim panel detachment. Ford relayed that the subject vehicles utilize a plastic A-pillar bracket, which is bolted to the vehicle structure during assembly. The A-pillar trim panel is attached to the bracket utilizing 7 plastic clips. Contributory factors which have been identified by Ford as leading to the subject defect include incomplete installation at the assembly plant, inadequate part stack up, damage to fasteners during installation, and failure to follow proper repair procedure during windshield replacements or other services. On January 19, 2024, Ford filed safety recall 24V-031 for MY 2011-2019 Ford Explorer vehicles to address the subject defect. In the Part 573 Safety Recall Report, Ford identified that a detached A-pillar trim panel can create a road hazard for other road users, increasing the risk of a crash. The recall remedy includes an inspection of the existing A-pillar trim panel and, if necessary, the replacement of the component. The remedy A-pillar trim panels will be installed with an additional adhesive for robustness and utilize an inspection procedure to ensure full engagement of all the retention clips during installation. In view of the recall action being taken by Ford, ODI is closing this Preliminary Evaluation. The agency reserves the right to take additional action if warranted by future circumstances. To review the reports cited in the Closing Resume ODI Report Identification Number document, go to NHTSA.gov.

EA17002 · Exhaust Odor In Passenger Cab

Opened Jul 27, 2017 · Closed Jan 17, 2023

Status: closed (inferred from source dates) · Engine And Engine Cooling:exhaust System:manifold/header/muffler/tail Pipe; Structure:body

During the EA17-002 investigation, the agency reviewed and analyzed reports of exhaust odors in the passenger cabins of Model Year 2011 to 2017 Ford Explorers. This investigation required an approach that incorporated knowledge and expertise from the automotive, medical, environmental health, and occupational safety fields. The agency conducted an in-depth investigation that encompassed the review of over 6,500 consumer complaints, conducting field inspections, and testing the relevant vehicles, both independently and in coordination with Ford and other entities. During the investigation, the evolution of Ford service bulletins intended to reduce the level of exhaust odors and carbon monoxide (CO) entering the occupant compartment was examined and independent tests to evaluate the effectiveness of the final Field Service Actions (FSA) for both consumer and police vehicles were conducted. As part of the investigation, the agency also examined the effects of cracked exhaust mani-cats on the measured CO levels in the vehicles and tested the FSA repairs to ensure they did not adversely impact occupant compartment CO levels due to cracked mani-cats.The investigation identified upfitting issues for Police Interceptor vehicles. Upfitting (sirens, lights, cages, auxiliary power, etc.) is typically performed by governmental fleet operations, independent repair facilities, or local Ford dealers after the sale of the new vehicle. Sealing issues caused by upfitting were responsible for the highest measured carbon monoxide levels in tested vehicles. The police FSA instructs how to inspect the quality of the vehicle upfits and how to properly seal any leaks caused by these upfits, at no cost to the police agency. Similarly, the highest CO levels measured in consumer vehicles were usually traced to sealing issues caused by rear crash damage where the repairs did not ensure sealing integrity. The most recent Ford FSA procedure for both the police (17B25) and consumer vehicles (17N03) includes an HVAC reprogramming operation. Tests by Ford and NHTSA have demonstrated a substantial reduction of CO levels due solely to the HVAC reprogramming. Other FSA repairs also demonstrated measurable contributions to CO level reductions during controlled tests.Throughout the investigation, vehicles accurately measured with higher levels of carbon monoxide were almost always affected by upfitter alterations, damage, or other causes compromising rear passenger cabin seals.NHTSA received thousands of reports alleging odors which triggered a variety of physiological responses, predominately nausea, headaches, and lightheadedness. NHTSA focused the investigation on accurately measuring vehicle CO levels, and accurately measuring carboxyhemoglobin (COHB) levels from properly administered blood tests. Using rigorous test methods to produce exhaust gas intrusion in vehicles with a properly performed FSA, occupant compartment CO levels remained below current environmental limits for CO in any environment (EPA ambient air quality standards). Furthermore, even without FSA repairs, no vehicles unaffected by upfitter issues or prior crash damage were identified with CO levels that exceed accepted occupational CO exposure levels. This investigation finds that the 2011-2017 Ford Explorer vehicles when accurately measured produce occupant compartment CO levels which fall below current accepted health standards, and could not identify COHB levels for vehicle drivers or other occupants, which exceeded thresholds for acute physiological effects. Therefore, the agency has not identified a defect that represents an unreasonable risk to motor vehicle safety.This inve

Additional source detail variants (2)

Engine And Engine Cooling:exhaust System:manifold/header/muffler/tail Pipe

During the EA17-002 investigation, the agency reviewed and analyzed reports of exhaust odors in the passenger cabins of Model Year 2011 to 2017 Ford Explorers. This investigation required an approach that incorporated knowledge and expertise from the automotive, medical, environmental health, and occupational safety fields. The agency conducted an in-depth investigation that encompassed the review of over 6,500 consumer complaints, conducting field inspections, and testing the relevant vehicles, both independently and in coordination with Ford and other entities. During the investigation, the evolution of Ford service bulletins intended to reduce the level of exhaust odors and carbon monoxide (CO) entering the occupant compartment was examined and independent tests to evaluate the effectiveness of the final Field Service Actions (FSA) for both consumer and police vehicles were conducted. As part of the investigation, the agency also examined the effects of cracked exhaust mani-cats on the measured CO levels in the vehicles and tested the FSA repairs to ensure they did not adversely impact occupant compartment CO levels due to cracked mani-cats.The investigation identified upfitting issues for Police Interceptor vehicles. Upfitting (sirens, lights, cages, auxiliary power, etc.) is typically performed by governmental fleet operations, independent repair facilities, or local Ford dealers after the sale of the new vehicle. Sealing issues caused by upfitting were responsible for the highest measured carbon monoxide levels in tested vehicles. The police FSA instructs how to inspect the quality of the vehicle upfits and how to properly seal any leaks caused by these upfits, at no cost to the police agency. Similarly, the highest CO levels measured in consumer vehicles were usually traced to sealing issues caused by rear crash damage where the repairs did not ensure sealing integrity. The most recent Ford FSA procedure for both the police (17B25) and consumer vehicles (17N03) includes an HVAC reprogramming operation. Tests by Ford and NHTSA have demonstrated a substantial reduction of CO levels due solely to the HVAC reprogramming. Other FSA repairs also demonstrated measurable contributions to CO level reductions during controlled tests.Throughout the investigation, vehicles accurately measured with higher levels of carbon monoxide were almost always affected by upfitter alterations, damage, or other causes compromising rear passenger cabin seals.NHTSA received thousands of reports alleging odors which triggered a variety of physiological responses, predominately nausea, headaches, and lightheadedness. NHTSA focused the investigation on accurately measuring vehicle CO levels, and accurately measuring carboxyhemoglobin (COHB) levels from properly administered blood tests. Using rigorous test methods to produce exhaust gas intrusion in vehicles with a properly performed FSA, occupant compartment CO levels remained below current environmental limits for CO in any environment (EPA ambient air quality standards). Furthermore, even without FSA repairs, no vehicles unaffected by upfitter issues or prior crash damage were identified with CO levels that exceed accepted occupational CO exposure levels. This investigation finds that the 2011-2017 Ford Explorer vehicles when accurately measured produce occupant compartment CO levels which fall below current accepted health standards, and could not identify COHB levels for vehicle drivers or other occupants, which exceeded thresholds for acute physiological effects. Therefore, the agency has not identified a defect that represents an unreasonable risk to motor vehicle safety.This inve

Structure:body

During the EA17-002 investigation, the agency reviewed and analyzed reports of exhaust odors in the passenger cabins of Model Year 2011 to 2017 Ford Explorers. This investigation required an approach that incorporated knowledge and expertise from the automotive, medical, environmental health, and occupational safety fields. The agency conducted an in-depth investigation that encompassed the review of over 6,500 consumer complaints, conducting field inspections, and testing the relevant vehicles, both independently and in coordination with Ford and other entities. During the investigation, the evolution of Ford service bulletins intended to reduce the level of exhaust odors and carbon monoxide (CO) entering the occupant compartment was examined and independent tests to evaluate the effectiveness of the final Field Service Actions (FSA) for both consumer and police vehicles were conducted. As part of the investigation, the agency also examined the effects of cracked exhaust mani-cats on the measured CO levels in the vehicles and tested the FSA repairs to ensure they did not adversely impact occupant compartment CO levels due to cracked mani-cats.The investigation identified upfitting issues for Police Interceptor vehicles. Upfitting (sirens, lights, cages, auxiliary power, etc.) is typically performed by governmental fleet operations, independent repair facilities, or local Ford dealers after the sale of the new vehicle. Sealing issues caused by upfitting were responsible for the highest measured carbon monoxide levels in tested vehicles. The police FSA instructs how to inspect the quality of the vehicle upfits and how to properly seal any leaks caused by these upfits, at no cost to the police agency. Similarly, the highest CO levels measured in consumer vehicles were usually traced to sealing issues caused by rear crash damage where the repairs did not ensure sealing integrity. The most recent Ford FSA procedure for both the police (17B25) and consumer vehicles (17N03) includes an HVAC reprogramming operation. Tests by Ford and NHTSA have demonstrated a substantial reduction of CO levels due solely to the HVAC reprogramming. Other FSA repairs also demonstrated measurable contributions to CO level reductions during controlled tests.Throughout the investigation, vehicles accurately measured with higher levels of carbon monoxide were almost always affected by upfitter alterations, damage, or other causes compromising rear passenger cabin seals.NHTSA received thousands of reports alleging odors which triggered a variety of physiological responses, predominately nausea, headaches, and lightheadedness. NHTSA focused the investigation on accurately measuring vehicle CO levels, and accurately measuring carboxyhemoglobin (COHB) levels from properly administered blood tests. Using rigorous test methods to produce exhaust gas intrusion in vehicles with a properly performed FSA, occupant compartment CO levels remained below current environmental limits for CO in any environment (EPA ambient air quality standards). Furthermore, even without FSA repairs, no vehicles unaffected by upfitter issues or prior crash damage were identified with CO levels that exceed accepted occupational CO exposure levels. This investigation finds that the 2011-2017 Ford Explorer vehicles when accurately measured produce occupant compartment CO levels which fall below current accepted health standards, and could not identify COHB levels for vehicle drivers or other occupants, which exceeded thresholds for acute physiological effects. Therefore, the agency has not identified a defect that represents an unreasonable risk to motor vehicle safety.This inve

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