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2004 Workhorse W22

Owner reports · Recalls · Investigations

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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

64 reports with mileage · 28 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 74 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports3 fire reports0 injury reports

What owners actually said

92 reports
Mileage unknown · Apr 9, 2010
Service Brakes, Hydraulic

2004 WORKHORSE RV. CONSUMER REQUESTS REIMBURSEMENT FOR REPAIRS DONE TO MOTOR HOME. CONSUMER STATES REPAIRS WERE REQUIRED DUE TO DAMAGE CAUSED BY BRAKE FAILURE AND OVERHEATING AS DESCRIBED AND COVERED IN THE TWO INTERIM SAFETY RECALL NOTICES. *TGW THE CONSUMER STATED THE BRAKES WOULD GRAB THEN SMOKE AND THE ABS LIGHT ILLUMINAT…

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2004 WORKHORSE RV. CONSUMER REQUESTS REIMBURSEMENT FOR REPAIRS DONE TO MOTOR HOME. CONSUMER STATES REPAIRS WERE REQUIRED DUE TO DAMAGE CAUSED BY BRAKE FAILURE AND OVERHEATING AS DESCRIBED AND COVERED IN THE TWO INTERIM SAFETY RECALL NOTICES. *TGW THE CONSUMER STATED THE BRAKES WOULD GRAB THEN SMOKE AND THE ABS LIGHT ILLUMINATED. *JB THE CONSUMER STATED THE BRAKES DRAGGED, THEN OVERHEATED AND THEN COMPLETE BRAKE FAILURE. UPDATED 09/15/10*JB

NHTSA ODI #10314333

20,251 miles · Apr 3, 2010
Service Brakes, Hydraulic

BRAKE DRAG, ABS LITE ON, BRAKE SMELL INSIDE MOTOR HOME,SHIMMY, BRAKE FADE, OIL SEALS LEAKING FRONT WHEELS, GREASE DRIPPING FROM KING PIN FITTING, UNABLE TO GET ABOVE 40 MPH. THIS OCCURS WITHIN 25 MILES OF TRAVEL. GARAGE CERTIFIED BY WORKHORSE TO REPAIR SAID IT WOULD NOT BE COVERED IN SAFETY RECALL BECAUSE IT WAS NOT BAD ENOUGH.

NHTSA ODI #10323615

Mileage unknown · Mar 4, 2010
Service Brakes, Hydraulic

2004 PACE ARROW, 35-G RV MOTOR HOME WITH A W-22 WORKHORSE CHASSIS. CONSUMER REQUESTS REIMBURSEMENT FOR EXPENSES INCURRED FOR REPAIRS DUE TO RECALL 09V110000. *TGW THE CONSUMER STATED THE BRAKES LOCKED UP, THE ABS LIGHT ILLUMINATED AND THERE WAS A SMELL OF A BURNING FLUID. AN INSPECTION REVEALED A LEFT REAR FROZEN CALIPER, THE…

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2004 PACE ARROW, 35-G RV MOTOR HOME WITH A W-22 WORKHORSE CHASSIS. CONSUMER REQUESTS REIMBURSEMENT FOR EXPENSES INCURRED FOR REPAIRS DUE TO RECALL 09V110000. *TGW THE CONSUMER STATED THE BRAKES LOCKED UP, THE ABS LIGHT ILLUMINATED AND THERE WAS A SMELL OF A BURNING FLUID. AN INSPECTION REVEALED A LEFT REAR FROZEN CALIPER, THE ABS SENSOR HAD MELTED, THE PADS WERE SCORED AND GLAZED, THE LEFT FRONT WHEEL SPEED SENSOR WAS DAMAGED, THE CALIPER SLIDES, PINS AND BUSHINGS WERE ALL DRY WHICH CAUSED A BIND WHEN BRAKING. THE LEFT AND RIGHT REAR ROTORS WERE RESURFACED, THE REAR CALIPERS AND PADS WERE REPLACED, THE SEAL, BOTH AXLES, SPINDLE SEALS, REAR ABS SENSORS AND LEFT FRONT ABS SENSOR WERE ALL REPLACED AND THE CALIPER SLIDES AND PINS WERE LUBED. A YEAR AND SEVERAL MONTHS LATER, THE BRAKES FAILED TO ENGAGE, THE ABS LIGHT ILLUMINATED AGAIN, AND THE BURNING FLUID ODOR HAD RETURNED. THE WHEELS WERE INSPECTED AND BRAKE FLUID HAD SPLATTERED OVER THE RIGHT FRONT WHEEL. THE RIGHT FRONT WHEEL WAS EXTREMELY HOT AND SMOKING. THE ABS LIGHT WAS NO LONGER ON. HOWEVER, WHEN THE CONSUMER ARRIVED TO THE NEAREST DEALER, THE BRAKES FAILED AGAIN AND THE ABS LIGHT WAS BACK ON. AN INSPECTION REVEALED THE FRONT CALIPERS WERE DRAGGING. THE FRONT CALIPERS, INNER OIL SEALS, WHEEL SPEED SENSORS AND THE RIGHT FRONT OUTER COVER WERE ALL REPLACED. *JB

NHTSA ODI #10314356

Mileage unknown · Mar 4, 2010
Service Brakes, Hydraulic

2004 WORKHORSE W22 CHASSIS. 2004 MOTORHOME CLASS A/PACE ARROW CALIPER STUCK. *BF THE CONSUMER STATED THERE WAS A BURNING SMELL COMING FROM THE LEFT FRONT WHEEL AND THE ABS LIGHT WAS ON. HE TOOK THE VEHICLE TO AN RV DEALER WHERE IT WAS DISCOVERED THE CALIPER WAS STUCK ON THE LEFT FRONT WHEEL. IN EARLY NOVEMBER 2007 HE ENCOUNTER…

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2004 WORKHORSE W22 CHASSIS. 2004 MOTORHOME CLASS A/PACE ARROW CALIPER STUCK. *BF THE CONSUMER STATED THERE WAS A BURNING SMELL COMING FROM THE LEFT FRONT WHEEL AND THE ABS LIGHT WAS ON. HE TOOK THE VEHICLE TO AN RV DEALER WHERE IT WAS DISCOVERED THE CALIPER WAS STUCK ON THE LEFT FRONT WHEEL. IN EARLY NOVEMBER 2007 HE ENCOUNTERED A SIMILAR PROBLEM INVOLVING THE REAR WHEELS AND AGAIN THE SAME SITUATION WAS FOUND AND FIXED. THE CONSUMER ATTACHED INVOICES AND BELIEVED THE PROBLEMS HE EXPERIENCED FELL UNDER THE RECALL THAT WAS ISSUED. *JB

NHTSA ODI #10313213

Mileage unknown · Feb 26, 2010
Engine And Engine CoolingService Brakes, Hydraulic

2004 WORKHORSE W22 CHASSIS. THE CONSUMER RECEIVED A RECALL NOTICE FROM WORKHORSE WHICH STATED THE CLIP THAT RETAINS THE ENGINES FUEL RAIL PULSE DAMPER MAY FRACTURE LEADING TO A FUEL LEAK. *DT THE CONSUMER WAS HAVING DIFFICULTY CONTACTING SOMEONE REGARDING THE RECALL NOTICE HE RECEIVED. THE CONSUMER ALSO COMPLAINED ABOUT LOSS OF…

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2004 WORKHORSE W22 CHASSIS. THE CONSUMER RECEIVED A RECALL NOTICE FROM WORKHORSE WHICH STATED THE CLIP THAT RETAINS THE ENGINES FUEL RAIL PULSE DAMPER MAY FRACTURE LEADING TO A FUEL LEAK. *DT THE CONSUMER WAS HAVING DIFFICULTY CONTACTING SOMEONE REGARDING THE RECALL NOTICE HE RECEIVED. THE CONSUMER ALSO COMPLAINED ABOUT LOSS OF BRAKES ON THE RV. WHEN THE CONSUMER ATTEMPTED TO APPLY THE BRAKE TO STOP, THE PEDAL WENT TO THE FLOOR. HE IMMEDIATELY PULLED THE SAFETY BRAKE AND PUMPED WHAT LITTLE BRAKE PEDAL HE HAD. THE NEXT DAY, THE CONSUMER DROVE TO THE DEALER WHERE HE WAS INFORMED A RECALL HAD BEEN ISSUED REGARDING THE PROBLEM HE EXPERIENCED. *JB

NHTSA ODI #10313230

8,505 miles · Feb 23, 2010
Service Brakes, Hydraulic

BRAKE FAILURE WHEN DRIVING THROUGH TOWN STOPPING FOR A LIGHT. *TR

NHTSA ODI #10313420

43,500 miles · Jan 20, 2010
Service Brakes, Hydraulic

TL*THE CONTACT OWNS A 2004 FLEETWOOD PACE ARROW RV. THE VEHICLE WAS BUILT ON A 2004 WORKHORSE CHASSIS W22. WHILE DRIVING APPROXIMATELY 60 MPH ON NORMAL ROAD CONDITIONS A BURNING SMELL WAS COMING FROM THE BRAKE SYSTEM. THE DRIVER PULLED OVER TO THE SIDE OF THE ROAD. THE VEHICLE RESUMED OPERATION WITH THE ANTI-BRAKE SYSTEM (ABS) …

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TL*THE CONTACT OWNS A 2004 FLEETWOOD PACE ARROW RV. THE VEHICLE WAS BUILT ON A 2004 WORKHORSE CHASSIS W22. WHILE DRIVING APPROXIMATELY 60 MPH ON NORMAL ROAD CONDITIONS A BURNING SMELL WAS COMING FROM THE BRAKE SYSTEM. THE DRIVER PULLED OVER TO THE SIDE OF THE ROAD. THE VEHICLE RESUMED OPERATION WITH THE ANTI-BRAKE SYSTEM (ABS) WARNING LIGHT INDICATOR ILLUMINATED ON THE INSTRUMENT PANEL. THE WARNING INDICATOR REMAINED ILLUMINATED UNTIL THE ENGINE WAS TURNED OFF. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR INSPECTION. THE ANTI-LOCK BRAKE SENSOR MELTED WHICH WAS REPLACED. NHTSA CAMPAIGN ID NUMBER 09V110000, SERVICE BRAKES, HYDRAULIC IS RELATED TO THE FAILURE; HOWEVER, THE RECALL REMEDY PART WAS UNAVAILABLE. THERE WERE CONCERNS OF THE SAFETY RISKS INVOLVED AND THE UNCERTAINTY OF THE AVAILABILITY OF THE PART. THE FAILURE MILEAGE WAS 43,500. UPDATED 02/02/10 *BF UPDATED 02/02/10.*JB UPDATED 02/19/10. *LJ UPDATED 02/19/10.*JB UPDATED 07/12/10*JB

NHTSA ODI #10300422

23,941 miles · Jan 8, 2010
Service Brakes, Hydraulic

WORKHORSE SAFETY RECALL 50901-C EVENT. FRONT DRIVER WHEEL CHATTERED DUE TO CALIPER STICKING IN CLOSED POSITION ONTO ROTOR, RESULTING IN OVERHEATING THAT CAUSED FLUID TO OVERHEATED AND LEAK OUT OF WHEEL HUB. CALIPER REQUIRED TO BE REPLACED. THE CONSEQUENCES THAT OCCURRED WAS THAT THE VEHICLE COULD NOT BE DRIVEN BECAUSE BRAKES W…

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WORKHORSE SAFETY RECALL 50901-C EVENT. FRONT DRIVER WHEEL CHATTERED DUE TO CALIPER STICKING IN CLOSED POSITION ONTO ROTOR, RESULTING IN OVERHEATING THAT CAUSED FLUID TO OVERHEATED AND LEAK OUT OF WHEEL HUB. CALIPER REQUIRED TO BE REPLACED. THE CONSEQUENCES THAT OCCURRED WAS THAT THE VEHICLE COULD NOT BE DRIVEN BECAUSE BRAKES WOULD NOT WORK PROPERLY. SOLUTION IS FOR WORKHORSE TO REPLACE CALIPERS WITH ONES THAT DO NOT STICK. ONES CURRENT ON VEHICLE ARE THE TYPE THAT ARE SUBJECT TO THE FAILURE MODE DESCRIBED ABOVE. *TR

NHTSA ODI #10298739

36,000 miles · Nov 23, 2009
Service Brakes, Hydraulic

TL* THE CONTACT OWNS A 2004 WORK HORSE W22 CHASSIS MODEL TIPPING ALLEGRO. DURING BRAKE APPLICATION AT 35 MPH THE PEDAL WENT COMPLETELY TO THE FLOOR. HE ENGAGED THE PARKING BRAKE TO STOP THE VEHICLE. A MECHANIC COULD NOT IDENTIFY THE CAUSE OF THE FAILURE. THE MANUFACTURER STATED A LETTER WAS SENT TO THE OWNERS ADVISING THAT THE…

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TL* THE CONTACT OWNS A 2004 WORK HORSE W22 CHASSIS MODEL TIPPING ALLEGRO. DURING BRAKE APPLICATION AT 35 MPH THE PEDAL WENT COMPLETELY TO THE FLOOR. HE ENGAGED THE PARKING BRAKE TO STOP THE VEHICLE. A MECHANIC COULD NOT IDENTIFY THE CAUSE OF THE FAILURE. THE MANUFACTURER STATED A LETTER WAS SENT TO THE OWNERS ADVISING THAT THE CALIPERS COULD CAUSE THE BREAKS TO OVER HEAT AND FAIL. HOWEVER HE NEVER RECEIVED THE LETTER. HE TOOK THE RV TO THE DEALER. THE DEALER STATED THEY WILL NEED TO DUPLICATE THE PROBLEM TO BE ABLE MAKE ANY NECESSARY REPAIRS. HE ADDED THAT IF ANY PARTS WERE REPLACED IT WOULD BE REPLACED WITH THE SAME MATERIAL AND IT WILL NOT BE A PERMANENT REMEDY. THE CURRENT AND THE FAILURE MILEAGES WERE 36,000.

NHTSA ODI #10293281

17,559 miles · Nov 1, 2009
Service Brakes, Hydraulic

WORKHORSE CHASSIS W22 2004 MILEAGE 17500 MILES BRAKES OVERHEATED, PADS MELTED TO ROTORS ABS SENSOR ON RIGHT WHEEL MELTED. HAD TO REPLACE ROTORS, PADS AND SENSOR. WORKHORSE REFUSE RESPONSIBILITY BECAUSE CALIPER MALFUNCTION DID NOT DESTROY CALIPER ENOUGH EVEN THOUGH THEY ARE AWARE OF PROBLEMS. PARTS WEE LEFT WITH REPAIR SHOP WH…

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WORKHORSE CHASSIS W22 2004 MILEAGE 17500 MILES BRAKES OVERHEATED, PADS MELTED TO ROTORS ABS SENSOR ON RIGHT WHEEL MELTED. HAD TO REPLACE ROTORS, PADS AND SENSOR. WORKHORSE REFUSE RESPONSIBILITY BECAUSE CALIPER MALFUNCTION DID NOT DESTROY CALIPER ENOUGH EVEN THOUGH THEY ARE AWARE OF PROBLEMS. PARTS WEE LEFT WITH REPAIR SHOP WHO HAS PICTURES. *TR

NHTSA ODI #10290512

Official recalls

2

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.

06V225000 · Engine And Engine Cooling

Jun 20, 2006

ON CERTAIN MOTOR HOME AND TRUCK CHASSIS EQUIPPED WITH GENERAL MOTORS 8.1L V8 ENGINES, IMPROPER HARDENING DURING THE HEAT TREATMENT PROCESS CAN CAUSE THE FUEL RAIL PULSE DAMPER RETAINER CLIP TO FRACTURE, RESULTING IN INADEQUATE RETENTION OF THE DAMPER. IF THE DAMPER BECOMES LOOSE, FUEL COULD BE PUMPED BY THE FUEL PUMP INTO THE UNDER HOOD AREA.

Consequence & remedy

Consequence: IN THE PRESENCE OF AN IGNITION SOURCE, A FIRE COULD RESULT.

Remedy: DEALERS WILL REPLACE THE FUEL RAIL PULSE DAMPER RETAINER CLIPS ON THESE ENGINES FREE OF CHARGE. THE RECALL BEGAN ON SEPTEMBER 1, 2006. OWNERS MAY CONTACT WORKHORSE AT 877-294-6773.

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.