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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
Mileage unknown · Jan 20, 2011
Service Brakes, Hydraulic

CONSUMER WRITES IN REGARDS TO SAFETY RECALL 51101-C WORKHORSE CUSTOM CHASSIS BOSCH BRAKE CALIPER *TGW THE CONSUMER STATED WHEN HE APPLIED THE BRAKE GENTLY TO STOP FOR TRAFFIC, THE RIGHT FRONT BRAKE LOCKED UP AND WOULD NOT RELEASE. HE DROVE SLOWLY ALMOST AT FULL THROTTLE TO THE CAMPGROUND WITH SMOKE EMITTING FROM THE WHEEL BEARI…

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CONSUMER WRITES IN REGARDS TO SAFETY RECALL 51101-C WORKHORSE CUSTOM CHASSIS BOSCH BRAKE CALIPER *TGW THE CONSUMER STATED WHEN HE APPLIED THE BRAKE GENTLY TO STOP FOR TRAFFIC, THE RIGHT FRONT BRAKE LOCKED UP AND WOULD NOT RELEASE. HE DROVE SLOWLY ALMOST AT FULL THROTTLE TO THE CAMPGROUND WITH SMOKE EMITTING FROM THE WHEEL BEARING. THE BRAKE ROTOR, CALIPER AND ABS SENSOR HAD TO BE REPLACED. WORKHORSE STATED THE CONSUMER WAS NOT ELIGIBLE FOR REIMBURSEMENT AS THE REPAIRS WERE NOT MADE BETWEEN NOVEMBER 16, 2007 AND JUNE 15, 2009. *JB

NHTSA ODI #10375901

Mileage unknown · Jan 20, 2011
Service Brakes, Hydraulic

2003 RV. ATTORNEY WRITES ON BEHALF OF CONSUMERS REGARDING FAULTY BRAKES AND RECALL. *TGW AN INSPECTION OF THE RV REVEALED EXTREME CRACKING DAMAGE HAD BEEN CAUSED TO THE ROTORS WHICH WAS A DIRECT RESULT OF THE FAULTY BRAKE CALIPERS. THE CONSUMER WAS INFORMED THAT THE RECALL DID NOT COVER ADDITIONAL DAMAGE THAT HAD BEEN CAUSED T…

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2003 RV. ATTORNEY WRITES ON BEHALF OF CONSUMERS REGARDING FAULTY BRAKES AND RECALL. *TGW AN INSPECTION OF THE RV REVEALED EXTREME CRACKING DAMAGE HAD BEEN CAUSED TO THE ROTORS WHICH WAS A DIRECT RESULT OF THE FAULTY BRAKE CALIPERS. THE CONSUMER WAS INFORMED THAT THE RECALL DID NOT COVER ADDITIONAL DAMAGE THAT HAD BEEN CAUSED TO THE ROTORS BY THE FAULTY CALIPERS. THE CONSUMER HAD TO PAY FOR THE ROTORS, PADS AND BRAKE LINES. ALSO, THE ABS WAS SERVICED TWICE PRIOR TO THE RECALL. *JB

NHTSA ODI #10375899

50,983 miles · Jan 14, 2011
Service Brakes, Hydraulic

TL* THE CONTACT OWNS A 2003 WORKHORSE W22. THE CONTACT STATED THAT THE VEHICLE WAS BEING SERVICED FOR REPAIRS UNDER NHTSA CAMPAIGN ID NUMBER: 09V110000 (SERVICE BRAKES, HYDRAULIC) WHEN HE WAS INFORMED BY THE TECHNICIAN THAT ALL FOUR ROTORS WERE FRACTURED AND THE VEHICLE WAS DEEMED AS UNSAFE TO DRIVE. THE VEHICLE WAS NOT REPAIRED…

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TL* THE CONTACT OWNS A 2003 WORKHORSE W22. THE CONTACT STATED THAT THE VEHICLE WAS BEING SERVICED FOR REPAIRS UNDER NHTSA CAMPAIGN ID NUMBER: 09V110000 (SERVICE BRAKES, HYDRAULIC) WHEN HE WAS INFORMED BY THE TECHNICIAN THAT ALL FOUR ROTORS WERE FRACTURED AND THE VEHICLE WAS DEEMED AS UNSAFE TO DRIVE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED AND ADVISED THE CONTACT THAT THE FAILURE WAS COMMON AND THEY WERE UNABLE TO PROVIDE ANY ASSISTANCE. THE APPROXIMATE FAILURE MILEAGE WAS 50,983. UPDATED 03/15/11 *BF UPDATED 06/03/11

NHTSA ODI #10376714

42,000 miles · Jan 12, 2011
Service Brakes, Hydraulic

TL*THE CONTACT OWNS A 2003 WORKHORSE W-22. THE CONTACT STATED THAT HE RECEIVED A RECALL NOTICE FOR RECALL 09V110000 (SERVICE BRAKES, HYDRAULIC). THE VEHICLE WAS REPAIRED ACCORDING TO THE RECALL AND THE CONTACT WAS INFORMED THAT THE ROTORS HAD CRACKED DUE TO THE HEAT GENERATED FROM THE FAILED CALIPERS. THE DEALER STATED THAT EVEN…

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TL*THE CONTACT OWNS A 2003 WORKHORSE W-22. THE CONTACT STATED THAT HE RECEIVED A RECALL NOTICE FOR RECALL 09V110000 (SERVICE BRAKES, HYDRAULIC). THE VEHICLE WAS REPAIRED ACCORDING TO THE RECALL AND THE CONTACT WAS INFORMED THAT THE ROTORS HAD CRACKED DUE TO THE HEAT GENERATED FROM THE FAILED CALIPERS. THE DEALER STATED THAT EVEN THOUGH THE ROTORS WERE A PART OF THE BRAKING SYSTEM, THEY WOULD NOT BE REPAIRED UNDER THE RECALL. THE FAILURE MILEAGE WAS 42,000.

NHTSA ODI #10376408

Mileage unknown · Dec 23, 2010
Service Brakes, Hydraulic

CONSUMER WRITES REGARDING SAFETY RECALL 51101-C INVOLVING THE BOSCH SERVICE BRAKE CALIPER *TGW THE CONSUMER EXPERIENCED PROBLEMS WITH THE BRAKES WHILE ON A TRIP. WHEN THE CONSUMER ARRIVED AT THE DEALER, HE WAS INFORMED IT WOULD BE SEVERAL WEEKS BEFORE SERVICES COULD BE PERFORMED. THE CONSUMER THEN DECIDED TO SCHEDULED AN APPOI…

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CONSUMER WRITES REGARDING SAFETY RECALL 51101-C INVOLVING THE BOSCH SERVICE BRAKE CALIPER *TGW THE CONSUMER EXPERIENCED PROBLEMS WITH THE BRAKES WHILE ON A TRIP. WHEN THE CONSUMER ARRIVED AT THE DEALER, HE WAS INFORMED IT WOULD BE SEVERAL WEEKS BEFORE SERVICES COULD BE PERFORMED. THE CONSUMER THEN DECIDED TO SCHEDULED AN APPOINTMENT AT ANOTHER ESTABLISHMENT. THE REPAIR WAS SHOP WAS ABLE TO FINISH THE BRAKE RECALL WORK. HOWEVER, THEY WERE UNABLE TO GET THE ABS AND EMERGENCY BRAKE LIGHT AS WELL AS THE WARNING BUZZER TO OUT. THE NEXT DAY, THE REPAIR SHOP WAS ABLE TO RECTIFY THE PROBLEM. THE CONSUMER WAS CHARGE FOR THAT REPAIR. THE CONSUMER BELIEVED IT SHOULD HAVE BEEN COVERED UNDER THE RECALL AS WELL. *JB

NHTSA ODI #10372792

Mileage unknown · Dec 10, 2010
Service Brakes, Hydraulic

2003 W-22 WORKHORSE CHASSIS MOTOR HOME. CONSUMER STATES THAT HE HAD A RECALL FOR THE BRAKES AND ENDING UP PAYING FOR THE REPAIR. HE FEELS THAT WORKHORSE SHOULD HAVE PAID SINCE THE PART WAS UNDER RECALL. *KB THE CONSUMER STATED THE ABS LIGHT ILLUMINATED. THE RV WAS TAKEN TO A REPAIR SHOP AND THEY TURNED THE LIGHT OFF AND ADVISE…

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2003 W-22 WORKHORSE CHASSIS MOTOR HOME. CONSUMER STATES THAT HE HAD A RECALL FOR THE BRAKES AND ENDING UP PAYING FOR THE REPAIR. HE FEELS THAT WORKHORSE SHOULD HAVE PAID SINCE THE PART WAS UNDER RECALL. *KB THE CONSUMER STATED THE ABS LIGHT ILLUMINATED. THE RV WAS TAKEN TO A REPAIR SHOP AND THEY TURNED THE LIGHT OFF AND ADVISED THE CONSUMER TO COME BACK IN A FEW DAYS FOR A FULL INSPECTION. THE CONSUMER RETURNED A FEW DAYS LATER FOR A REAR BRAKE INSPECTION. THE REPAIR SHOP INFORMED THE CONSUMER THE REAR BRAKES HAD BECOME VERY HOT AND BURNED AND WOULD NEED TO BE REPLACED. WHEN THE PARTS ARRIVED, THE CONSUMER WENT BACK TO THE SHOP TO HAVE THE REAR BRAKES REPLACED. TWO YEARS AFTER HAVING THE REAR BRAKES REPLACED, THE ABS LIGHT ILLUMINATED AGAIN AND THE CONSUMER BEGAN HEARING STRANGE SOUNDS AND THE RV DROVE A LITTLE DIFFERENTLY. WHEN THE CONSUMER WAS ABLE TO PULL OVER, HE LOOKED UNDER THE RV AND SMELLED A STRANGE ODOR AND THE BRAKES WERE EXTREMELY HOT. THE CONSUMER WAS ABLE TO SAFELY DRIVE THE RV TO A REPAIR SHOP, ONCE THE BRAKES COOLED DOWN. THE REPAIR SHOP DETERMINED THE FRONT BRAKES HAD SEIZED AND OVERHEATED AND NEEDED TO BE REPLACED. THREE MONTHS LATER, THE CALIPERS WERE REPLACED. *JB

NHTSA ODI #10370010

Mileage unknown · Dec 6, 2010
Service Brakes, Hydraulic

2003 WORKHORSE CHASSIS. COURTESY COPY OF A LETTER FROM JAMES M. WALKER SUBMITTED TO WORKHORSE CUSTOM CHASSIS RE RECALL CAMPAIGN NUMBER 51101 *TGW THE CONSUMER STATED THE RECALL WORK PERFORMED. THE DEALER REPLACED THE FAULTY CALIPERS AT NO CHARGE, BUT FOUND TWO ROTORS CRACKED BEYOND REPAIR AND TWO OF THEM REQUIRED RESURFACING, A…

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2003 WORKHORSE CHASSIS. COURTESY COPY OF A LETTER FROM JAMES M. WALKER SUBMITTED TO WORKHORSE CUSTOM CHASSIS RE RECALL CAMPAIGN NUMBER 51101 *TGW THE CONSUMER STATED THE RECALL WORK PERFORMED. THE DEALER REPLACED THE FAULTY CALIPERS AT NO CHARGE, BUT FOUND TWO ROTORS CRACKED BEYOND REPAIR AND TWO OF THEM REQUIRED RESURFACING, ALL DUE TO HEAT PROBLEMS CAUSED BY THE FAULTY CALIPERS. THE CONSUMER IS REQUESTING REIMBURSEMENT FOR THE DAMAGED ROTORS. IN AUGUST 2005 ALL FOUR ROTORS HAD TO BE REPLACED DUE TO HEAT RELATED PROBLEMS CAUSED BY FAULTY CALIPERS. THE PADS WERE ROUTINE MAINTENANCE, BUT THE SEALS FAILED AND WERE SUBSEQUENTLY REPLACED. THE CONSUMER IS ALSO REQUESTING REIMBURSEMENT FOR THOSE ROTORS. *JB

NHTSA ODI #10370018

Mileage unknown · Dec 3, 2010
Service Brakes, Hydraulic

2003 W22 WORKHORSE CHASSIS. CONSUMER WRITES TO REQUEST A WORKHORSE REIMBURSEMENT *TGW THE CONSUMER IS REQUESTING REIMBURSEMENT AS A RESULT OF HAVING THE CALIPERS REPLACED. THE REPAIR FACILITY RECOMMENDED THE REPLACEMENT OF THREE ROTORS WHICH WERE CRACKED. THE CONSUMER STATED THERE WAS A DISTINCT BRAKE BURNING SMELL, THE ABS LI…

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2003 W22 WORKHORSE CHASSIS. CONSUMER WRITES TO REQUEST A WORKHORSE REIMBURSEMENT *TGW THE CONSUMER IS REQUESTING REIMBURSEMENT AS A RESULT OF HAVING THE CALIPERS REPLACED. THE REPAIR FACILITY RECOMMENDED THE REPLACEMENT OF THREE ROTORS WHICH WERE CRACKED. THE CONSUMER STATED THERE WAS A DISTINCT BRAKE BURNING SMELL, THE ABS LIGHT ILLUMINATED FOR EXTENDED PERIODS OF TIME, AND THERE WERE AT LEAST THREE TIMES THE BRAKING SYSTEM LOST ITS EFFECTIVENESS. *JB

NHTSA ODI #10368981

Mileage unknown · Nov 19, 2010
Service Brakes, Hydraulic

2003 WORKHORSE W22 CHASSIS. CONSUMER WRITES TO SEEK AN EXPLANATION AS TO WHY THE RECALL DID NOT COVER THE REPLACEMENT OF THE LEFT FRONT AND LEFT REAR ROTOR, PADS, OIL SEAL AND SPEED SENSOR *TGW THE CONSUMER STATED THE RIGHT FRONT SIDE OF THE RV WAS COVERED UNDER RECALL, BUT NOT THE LEFT SIDE. *JB

NHTSA ODI #10367509

Mileage unknown · Nov 17, 2010
Service Brakes, Hydraulic

CONSUMER WRITES REGARDING WORKHORSE RECALL *TGW THE CONSUMER WAS DENIED REIMBURSEMENT. ACCORDING TO WORKHORSE, THE WORK INVOICE DID NOT REFERENCE A PROBLEM CONCERNING CALIPER FAILURE AND THEY FURTHER STATED THE CONSUMER DID NOT TAKE THE RV TO AN AUTHORIZED SERVICE CENTER FOR THE BRAKE FAILURE. THE CONSUMER STATED THE BRAKE SYST…

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CONSUMER WRITES REGARDING WORKHORSE RECALL *TGW THE CONSUMER WAS DENIED REIMBURSEMENT. ACCORDING TO WORKHORSE, THE WORK INVOICE DID NOT REFERENCE A PROBLEM CONCERNING CALIPER FAILURE AND THEY FURTHER STATED THE CONSUMER DID NOT TAKE THE RV TO AN AUTHORIZED SERVICE CENTER FOR THE BRAKE FAILURE. THE CONSUMER STATED THE BRAKE SYSTEM LOCKED UP COMPLETELY AND BEGAN SMOKING PROFUSELY WHILE THE RV WAS BEING DRIVEN DURING RUSH HOUR TRAFFIC. THE BRAKE DISCS WERE SEVERELY WARPED AND THE CALIPERS WERE COMPLETELY INOPERATIVE. *JB UPDATED 01/05/11. *JB UPDATED 01/13/11. *JB

NHTSA ODI #10366292

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.