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2003 Workhorse W22

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

77 reports with mileage · 36 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.

  • Service Brakes, Hydraulic. Review the 106 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

1 crash reports8 fire reports0 injury reports

What owners actually said

113 reports
54,000 miles · Jan 14, 2022
Service Brakes, HydraulicFire

The contact owns a 2003 Workhorse W22. The contact stated that upon stopping the motorhome in her driveway, her husband discovered a bluish-black color smoke emitting from underneath the vehicle. The rear passenger side brake caliper had caught fire and the contact's husband was able to extinguish the fire with a water hose. The…

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The contact owns a 2003 Workhorse W22. The contact stated that upon stopping the motorhome in her driveway, her husband discovered a bluish-black color smoke emitting from underneath the vehicle. The rear passenger side brake caliper had caught fire and the contact's husband was able to extinguish the fire with a water hose. The fire department was not called and a report was not filed. The contact stated that the brake and ABS warning lights had illuminated on the instrument panel after the failure. The contact's husband took pictures of the damage and showed them to an independent mechanic. The mechanic then informed the contact's husband of NHTSA Campaign Number: 09V110000(SERVICE BRAKES, HYDRAULIC) which he linked to the failure. The mechanic contacted then notified the manufacturer of the failure but received no assistance. The contact also made multiple attempts to reach the manufacturer but had no success. The vehicle had yet to be repaired. The failure mileage was approximately 54,000.

NHTSA ODI #11447460

Mileage unknown · Jul 14, 2018
Service Brakes

NAVISTAR IS RECALLING.....THERE'S A RECALL TO REPLACE ALL FOUR CALIPERS BUT THEY WON'T REPLACE THE ROTORS ALL FOUR OF THEM ARE CRACKED FROM OVERHEATING BECAUSE OF THE CALIPERS HANGING UP . THIS RECALL IS FOR A WORKHORSE W22 CHASSIS.

NHTSA ODI #11111288

39,625 miles · Jun 25, 2016
Service Brakes

REAR CALIPERS WERE REPLACED ON RECALL WITH REBUILT CALIPERS. AFTER LESS THAN 500 MILES THE RIGHT REAR CALIPER BLEW OUT ALL BRAKE FLUID RESULTING IN COMPLETE LOSS OF BRAKES. THIS HAPPENED 40 MILES FROM HOME ON A STATE ROAD.

NHTSA ODI #10876563

Mileage unknown · Dec 22, 2011
Electrical SystemEngine And Engine CoolingExterior Lighting

2003 NEWMAR MOUNTAIN AIRE MOTORHOME ON A 2003 WORKHORSE W22 CHASSIS. CONSUMER WRITES IN REGARDS TO WORKHORSE BRAKE SYSTEM RECALL *TGW THE CONSUMER STATED IN MAY OF 2009, HE RECEIVED AN INTERIM NOTICE WARNING ABOUT A POSSIBLE PROBLEM WITH THE WORKHORSE SYSTEM. THE NOTICED STATED THERE WAS A POSSIBILITY OF THE BRAKES STICKING, BU…

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2003 NEWMAR MOUNTAIN AIRE MOTORHOME ON A 2003 WORKHORSE W22 CHASSIS. CONSUMER WRITES IN REGARDS TO WORKHORSE BRAKE SYSTEM RECALL *TGW THE CONSUMER STATED IN MAY OF 2009, HE RECEIVED AN INTERIM NOTICE WARNING ABOUT A POSSIBLE PROBLEM WITH THE WORKHORSE SYSTEM. THE NOTICED STATED THERE WAS A POSSIBILITY OF THE BRAKES STICKING, BURNING AND THE ABS LIGHT ILLUMINATING. IT FURTHER STATED THAT IF THE SYMPTOMS SHOULD APPEAR, THAT THE DRIVER SHOULD PULL OVER AND EXAMINE THE WHEELS FOR EXCESSIVE HEAT AND CONTACT A WORKHORSE SERVICE CENTER. IN JUNE 2009 THE CONSUMER WAS ABOUT 100 MILES INTO HIS TRIP, WHEN HE EXPERIENCED OVER HEATING OF THE BRAKES AND THE ABS LIGHT ILLUMINATED. HE PULLED OVER AND CALLED THE NUMBER LISTED ON THE RECALL. ARRANGEMENTS WERE MADE TO HAVE THE RV TOWED TO A SERVICE CENTER, THE SERVICE CENTER MADE TEMPORARY REPAIRS TO THE RV AND FOUND THERE WAS ALSO A RECALL ON THE CATALYTIC CONVERTER, WHICH WAS ALSO REPLACED. IN JANUARY 2010, THE CONSUMER BEGAN TO NOTICE A SLIGHT LOSS OF POWER AND HE COULD HEAR A MUFFLED SOUND OF BACK FIRING THROUGH THE EXHAUST WHENEVER HE DROVE UP AN UPGRADE AND/OR HARD ACCELERATING. IN JUNE OF 2010, HE RETURNED THE RV TO THE SERVICE CENTER, TO HAVE THEM CHECK THE BACK FIRING AND SEVERAL OTHER ITEMS THAT NEEDED TO BE REPAIRED OR REPLACED, BUT THEY WERE UNABLE TO FIND A PROBLEM. IN OCTOBER 2011, THE RV BEGAN TO SLOW DOWN AND SMOKE STARTED EMITTING OUT OF THE LEFT EXHAUST. THE RV WAS TOWED TO A SERVICE CENTER. A DIAGNOSTIC TEST REVEALED THE CATALYTIC CONVERTERS WERE CLOGGED UP AND BLEW OUT THE MUFFLERS. THE SERVICE CENTER ALSO FOUND THE SPARK PLUGS NEEDED TO BE REPLACED. THE CONSUMER ALSO STATED OVER THE LAST FIVE YEARS, THE FUEL PUMP, SERPENTINE BELT, HEATER VALVE, SPEEDOMETER, DASH PANEL CLUSTER LIGHTS AND TURN SIGNAL/ DIMMER SWITCH ALL HAD TO BE REPLACED. *JB

NHTSA ODI #10440813

Mileage unknown · May 26, 2011
Service Brakes, Hydraulic

2003 WORKHORSE W22 CHASSIS. CONSUMER WRITES TO INQUIRE ABOUT RECALLS *TGW THE CONSUMER STATED THE ANTI-LOCK BRAKE LIGHT ILLUMINATED TWICE AND THE REPAIR SHOP REPLACED THE WHEEL SENSORS. ALSO, THE FRONT BRAKE PADS AND ROTORS WERE REPLACED. THE CONSUMER STATED HE RECEIVED A PENDING RECALL NOTICE FOR THE BRAKES. HE CONTACTED THE…

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2003 WORKHORSE W22 CHASSIS. CONSUMER WRITES TO INQUIRE ABOUT RECALLS *TGW THE CONSUMER STATED THE ANTI-LOCK BRAKE LIGHT ILLUMINATED TWICE AND THE REPAIR SHOP REPLACED THE WHEEL SENSORS. ALSO, THE FRONT BRAKE PADS AND ROTORS WERE REPLACED. THE CONSUMER STATED HE RECEIVED A PENDING RECALL NOTICE FOR THE BRAKES. HE CONTACTED THE DEALER TO MAKE AN APPOINTMENT, BUT WAS INFORMED IT WOULD BE MONTHS BEFORE THE REPAIRS COULD BE MADE. *JB

NHTSA ODI #10403448

Mileage unknown · May 24, 2011
Service Brakes, Hydraulic

2003 WORKHORSE HORSE CHASSIS. CONSUMER WRITES IN RESPONSE TO A DENIAL OF REIMBURSEMENT FOR REPLACEMENT OF CALIPER ASSEMBLY. *TGW THE CONSUMER STATED ALL OF THE REPAIRS MADE FROM SEPT 2007 THROUGH JULY 2008 PRIOR TO AN SAFETY RECALL NOTICES FROM WORKHORSE. ON SEPTEMBER 12, 2007, BOTH FRONT WHEEL SEALS WERE LEAKING AND HAD TO B…

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2003 WORKHORSE HORSE CHASSIS. CONSUMER WRITES IN RESPONSE TO A DENIAL OF REIMBURSEMENT FOR REPLACEMENT OF CALIPER ASSEMBLY. *TGW THE CONSUMER STATED ALL OF THE REPAIRS MADE FROM SEPT 2007 THROUGH JULY 2008 PRIOR TO AN SAFETY RECALL NOTICES FROM WORKHORSE. ON SEPTEMBER 12, 2007, BOTH FRONT WHEEL SEALS WERE LEAKING AND HAD TO BE REPLACED. WORKHORSE DENIED THE CLAIM, BECAUSE THEY WERE ONLY CONSIDERING REPAIRS MADE AFTER NOVEMBER 16, 2007 FOR REIMBURSEMENT. ON A SEPARATE OCCASION, WHILE ENROUTE TO HIS SUMMER HOME, THERE WAS A BURNING ODOR AND SMOKE COMING FROM THE WHEEL. THE MECHANIC REMOVED THE BURNED ABS SENSOR AND REPLACED THE HUB CAPS AND SEALS. *JB

NHTSA ODI #10403092

Mileage unknown · Mar 11, 2011
Service Brakes, Hydraulic

2003 WORKHORSE W22 CHASSIS. CONSUMER WRITES REGARDING WORKHORSE WARRANTY AND SAFETY RECALL *TGW THE CONSUMER EXPERIENCED BRAKE PROBLEMS WHILE ON A TRIP. THE CONSUMER WAS INFORMED BY THREE DEALERS THAT IT WOULD BE SEVERAL WEEKS BEFORE HE COULD RECEIVE SERVICE. THE CONSUMER FINALLY FOUND A SERVICE CENTER AND MADE AN APPOINTMENT F…

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2003 WORKHORSE W22 CHASSIS. CONSUMER WRITES REGARDING WORKHORSE WARRANTY AND SAFETY RECALL *TGW THE CONSUMER EXPERIENCED BRAKE PROBLEMS WHILE ON A TRIP. THE CONSUMER WAS INFORMED BY THREE DEALERS THAT IT WOULD BE SEVERAL WEEKS BEFORE HE COULD RECEIVE SERVICE. THE CONSUMER FINALLY FOUND A SERVICE CENTER AND MADE AN APPOINTMENT FOR THE FOLLOWING WEEK. THE CONSUMER BELIEVED HE WAS CHARGED FOR REPAIRS THAT SHOULD HAVE BEEN COVERED IN THE RECALL. HE LEARNED THE PROBLEM WITH THE ABS AND EMERGENCY BRAKE LIGHTS WAS A PROBLEM THAT OCCASIONALLY OCCURRED WHEN THE RECALL WORK WAS PERFORMED. THE CONSUMER IS REQUESTING REIMBURSEMENT FOR THE ABS, EMERGENCY BRAKE LIGHTS AND BUZZER NOT GOING OUT. *JB

NHTSA ODI #10389488

Mileage unknown · Mar 10, 2011
Service Brakes, Hydraulic

2003 WORKHORSE W22 CHASSIS. CONSUMER WRITES IN REGARDS TO BAD BRAKES *TGW THE CONSUMER STATED HE/SHE FIRST EXPERIENCED FRONT BRAKE FAILURE IN SEPT 2007. THE FRONT BRAKES LOCKED UP WHICH CAUSED THE BRAKES TO OVERHEAT. THE FRONT CALIPERS, BRAKE PADS, FRONT INNER SEALS, FRONT OUTER HUB COVERS AND ROTORS HAD TO BE REPLACED. ALSO, …

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2003 WORKHORSE W22 CHASSIS. CONSUMER WRITES IN REGARDS TO BAD BRAKES *TGW THE CONSUMER STATED HE/SHE FIRST EXPERIENCED FRONT BRAKE FAILURE IN SEPT 2007. THE FRONT BRAKES LOCKED UP WHICH CAUSED THE BRAKES TO OVERHEAT. THE FRONT CALIPERS, BRAKE PADS, FRONT INNER SEALS, FRONT OUTER HUB COVERS AND ROTORS HAD TO BE REPLACED. ALSO, THE RIGHT FRONT WHEEL SPEED SENSOR WAS DEFECTIVE AND HAD TO BE REPLACED AS WELL . THE SECOND TIME WAS IN APRIL 2008 WHEN THE REAR CALIPERS SEIZED AND DAMAGED THE ROTORS AND PADS. THE BRAKES WERE REPLACED UNDER AN EXTENDED WARRANTY. THE CONSUMER STATED HE/SHE RECEIVED A REFUND CHECK FOR THE REAR BRAKES ONLY. THE CONSUMER STATED SINCE A RECALL WAS ISSUED, ALL OF HIS/HER MONEY SHOULD BE REFUNDED INCLUDING MONEY FOR THE COMPONENTS THAT WERE DAMAGE AS A RESULT OF THE FAILED BRAKES. *JB

NHTSA ODI #10389288

37,500 miles · Feb 18, 2011
Service Brakes, Hydraulic

SAFETY RECALL 51101-C. BRAKE CALIPERS FAILED AND BURNED UP THE ENTIRE BRAKING AND ABS SYSTEM. WORKHORSE IS REFUSING TO PAY $4,600 CASH I PAID TO REPAIR THE DAMAGE

NHTSA ODI #10383849

24,000 miles · Jan 26, 2011
Electrical System

TL*THE CONTACT OWNS A 2003 ALEGRO RECREATIONAL VEHICLE WITH A WORKHORSE W22 CHASSIS. THE LIQUID SCREEN CRYSTAL DISPLAY FAILED, HE WAS NOT ABLE TO READ THE MILEAGE, SPEED, GEAR, OR ANY OTHER INFORMATION ON THE SCREEN. THE RECREATIONAL VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 24,000 AND THE CURRENT MILEAGE WAS 28,669.

NHTSA ODI #10378810

Official recalls

1

09V110000 · Service Brakes, Hydraulic

Apr 3, 2009

NAVISTAR IS RECALLING CERTAIN MODEL YEAR MY 2001-2008 WORKHORSE W20, W21 AND W22 CHASSIS AND CERTAIN MODEL YEAR 2009 THROUGH 2011 MONACO RV ADMIRAL, ARISTA, MONARCH, AND RIPTIDE RECREATIONAL VEHICLES EQUIPPED WITH AXLES THAT INCLUDE BOSCH ZOPS OR ZOHT PIN SLIDE HYDRAULIC DISC BRAKES. WHEN COMBINED WITH OCCASIONAL OR SEASONAL VEHICLE OPERATION MAY EXPERIENCE CALIPERS STICKING IN THE APPLIED POSITION. THIS CAN RESULT IN ABNORMAL HEAT GENERATION AT THE WHEEL END CAUSING BRAKE DRAG. THE DRIVER WOULD NORMALLY HAVE WARNING OF THE BRAKE DRAG IF UNDETECTED BY THE DRIVER.

Consequence & remedy

Consequence: THE TEMPERATURE INCREASE AT THE WHEEL END CAN EVENTUALLY LEAD TO SOFT PEDAL CONDITIONS DUE TO BRAKE FLUID BOIL, AND POSSIBLE EXTENDED STOPPING DISTANCE INCREASING THE RISK OF A CRASH.

Remedy: WORKHORSE DEALERS WILL REPLACE ALL FOUR BOSCH BRAKE CALIPER ASSEMBLIES FREE OF CHARGE. THE SAFETY RECALL BEGAN ON SEPTEMBER 16, 2010. OWNERS MAY CONTACT WORKHORSE AT 1-877-246-7731.

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

1

EA07016 · Overheating Disc Brake Caliper

Opened Nov 16, 2007 · Closed Aug 19, 2009

Status: closed (inferred from source dates) · Service Brakes, Hydraulic

THE EA WAS OPENED TO GAIN A TECHNICAL UNDERSTANDING OF THE CAUSES FOR ONE OR MORE DISC BRAKE CALIPERS ON A SUBJECT VEHICLE TO SUFFER SEVERE OVERHEATING. THE OVERHEATING CAUSED BRAKE DRAG, MELTING ABS SENSORS, SMOKING, BRAKE LINING FIRES, AND IN SOME CASES BOILING BRAKE FLUID RESULTING IN DIMINISHED STOPPING CAPABILITY.BASED ON TESTING, WARRANTY AND COMPLAINT DATA ANALYSIS, FIELD TRIPS AND INTERVIEWS WITH OWNERS, MECHANICS AND SERVICE MANAGERS, ODI BELIEVES THE LIKELY CAUSE OF THE ALLEGED DEFECT IS WATER SWELL OF THE PHENOLIC CALIPER PISTON AND SUBSEQUENT FAILURE OF THE PISTON TO FULLY RETURN AFTER THE PEDAL IS RELEASED.A TECHNICAL REPORT IS ATTACHED WITH FULL DETAILS.

Additional source detail variants (7)

Service Brakes, Hydraulic

THE EA WAS OPENED TO GAIN A TECHNICAL UNDERSTANDING OF THE CAUSES FOR ONE OR MORE DISC BRAKE CALIPERS ON A SUBJECT VEHICLE TO SUFFER SEVERE OVERHEATING. THE OVERHEATING CAUSED BRAKE DRAG, MELTING ABS SENSORS, SMOKING, BRAKE LINING FIRES, AND IN SOME CASES BOILING BRAKE FLUID RESULTING IN DIMINISHED STOPPING CAPABILITY.BASED ON TESTING, WARRANTY AND COMPLAINT DATA ANALYSIS, FIELD TRIPS AND INTERVIEWS WITH OWNERS, MECHANICS AND SERVICE MANAGERS, ODI BELIEVES THE LIKELY CAUSE OF THE ALLEGED DEFECT IS WATER SWELL OF THE PHENOLIC CALIPER PISTON AND SUBSEQUENT FAILURE OF THE PISTON TO FULLY RETURN AFTER THE PEDAL IS RELEASED.A TECHNICAL REPORT IS ATTACHED WITH FULL DETAILS.

Service Brakes, Hydraulic

THE EA WAS OPENED TO GAIN A TECHNICAL UNDERSTANDING OF THE CAUSES FOR ONE OR MORE DISC BRAKE CALIPERS ON A SUBJECT VEHICLE TO SUFFER SEVERE OVERHEATING. THE OVERHEATING CAUSED BRAKE DRAG, MELTING ABS SENSORS, SMOKING, BRAKE LINING FIRES, AND IN SOME CASES BOILING BRAKE FLUID RESULTING IN DIMINISHED STOPPING CAPABILITY.BASED ON TESTING, WARRANTY AND COMPLAINT DATA ANALYSIS, FIELD TRIPS AND INTERVIEWS WITH OWNERS, MECHANICS AND SERVICE MANAGERS, ODI BELIEVES THE LIKELY CAUSE OF THE ALLEGED DEFECT IS WATER SWELL OF THE PHENOLIC CALIPER PISTON AND SUBSEQUENT FAILURE OF THE PISTON TO FULLY RETURN AFTER THE PEDAL IS RELEASED.A TECHNICAL REPORT IS ATTACHED WITH FULL DETAILS.

Service Brakes, Hydraulic

THE EA WAS OPENED TO GAIN A TECHNICAL UNDERSTANDING OF THE CAUSES FOR ONE OR MORE DISC BRAKE CALIPERS ON A SUBJECT VEHICLE TO SUFFER SEVERE OVERHEATING. THE OVERHEATING CAUSED BRAKE DRAG, MELTING ABS SENSORS, SMOKING, BRAKE LINING FIRES, AND IN SOME CASES BOILING BRAKE FLUID RESULTING IN DIMINISHED STOPPING CAPABILITY.BASED ON TESTING, WARRANTY AND COMPLAINT DATA ANALYSIS, FIELD TRIPS AND INTERVIEWS WITH OWNERS, MECHANICS AND SERVICE MANAGERS, ODI BELIEVES THE LIKELY CAUSE OF THE ALLEGED DEFECT IS WATER SWELL OF THE PHENOLIC CALIPER PISTON AND SUBSEQUENT FAILURE OF THE PISTON TO FULLY RETURN AFTER THE PEDAL IS RELEASED.A TECHNICAL REPORT IS ATTACHED WITH FULL DETAILS.

Service Brakes, Hydraulic

THE EA WAS OPENED TO GAIN A TECHNICAL UNDERSTANDING OF THE CAUSES FOR ONE OR MORE DISC BRAKE CALIPERS ON A SUBJECT VEHICLE TO SUFFER SEVERE OVERHEATING. THE OVERHEATING CAUSED BRAKE DRAG, MELTING ABS SENSORS, SMOKING, BRAKE LINING FIRES, AND IN SOME CASES BOILING BRAKE FLUID RESULTING IN DIMINISHED STOPPING CAPABILITY.BASED ON TESTING, WARRANTY AND COMPLAINT DATA ANALYSIS, FIELD TRIPS AND INTERVIEWS WITH OWNERS, MECHANICS AND SERVICE MANAGERS, ODI BELIEVES THE LIKELY CAUSE OF THE ALLEGED DEFECT IS WATER SWELL OF THE PHENOLIC CALIPER PISTON AND SUBSEQUENT FAILURE OF THE PISTON TO FULLY RETURN AFTER THE PEDAL IS RELEASED.A TECHNICAL REPORT IS ATTACHED WITH FULL DETAILS.

Service Brakes, Hydraulic

THE EA WAS OPENED TO GAIN A TECHNICAL UNDERSTANDING OF THE CAUSES FOR ONE OR MORE DISC BRAKE CALIPERS ON A SUBJECT VEHICLE TO SUFFER SEVERE OVERHEATING. THE OVERHEATING CAUSED BRAKE DRAG, MELTING ABS SENSORS, SMOKING, BRAKE LINING FIRES, AND IN SOME CASES BOILING BRAKE FLUID RESULTING IN DIMINISHED STOPPING CAPABILITY.BASED ON TESTING, WARRANTY AND COMPLAINT DATA ANALYSIS, FIELD TRIPS AND INTERVIEWS WITH OWNERS, MECHANICS AND SERVICE MANAGERS, ODI BELIEVES THE LIKELY CAUSE OF THE ALLEGED DEFECT IS WATER SWELL OF THE PHENOLIC CALIPER PISTON AND SUBSEQUENT FAILURE OF THE PISTON TO FULLY RETURN AFTER THE PEDAL IS RELEASED.A TECHNICAL REPORT IS ATTACHED WITH FULL DETAILS.

Service Brakes, Hydraulic

THE EA WAS OPENED TO GAIN A TECHNICAL UNDERSTANDING OF THE CAUSES FOR ONE OR MORE DISC BRAKE CALIPERS ON A SUBJECT VEHICLE TO SUFFER SEVERE OVERHEATING. THE OVERHEATING CAUSED BRAKE DRAG, MELTING ABS SENSORS, SMOKING, BRAKE LINING FIRES, AND IN SOME CASES BOILING BRAKE FLUID RESULTING IN DIMINISHED STOPPING CAPABILITY.BASED ON TESTING, WARRANTY AND COMPLAINT DATA ANALYSIS, FIELD TRIPS AND INTERVIEWS WITH OWNERS, MECHANICS AND SERVICE MANAGERS, ODI BELIEVES THE LIKELY CAUSE OF THE ALLEGED DEFECT IS WATER SWELL OF THE PHENOLIC CALIPER PISTON AND SUBSEQUENT FAILURE OF THE PISTON TO FULLY RETURN AFTER THE PEDAL IS RELEASED.A TECHNICAL REPORT IS ATTACHED WITH FULL DETAILS.

Service Brakes, Hydraulic

THE EA WAS OPENED TO GAIN A TECHNICAL UNDERSTANDING OF THE CAUSES FOR ONE OR MORE DISC BRAKE CALIPERS ON A SUBJECT VEHICLE TO SUFFER SEVERE OVERHEATING. THE OVERHEATING CAUSED BRAKE DRAG, MELTING ABS SENSORS, SMOKING, BRAKE LINING FIRES, AND IN SOME CASES BOILING BRAKE FLUID RESULTING IN DIMINISHED STOPPING CAPABILITY.BASED ON TESTING, WARRANTY AND COMPLAINT DATA ANALYSIS, FIELD TRIPS AND INTERVIEWS WITH OWNERS, MECHANICS AND SERVICE MANAGERS, ODI BELIEVES THE LIKELY CAUSE OF THE ALLEGED DEFECT IS WATER SWELL OF THE PHENOLIC CALIPER PISTON AND SUBSEQUENT FAILURE OF THE PISTON TO FULLY RETURN AFTER THE PEDAL IS RELEASED.A TECHNICAL REPORT IS ATTACHED WITH FULL DETAILS.