NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
67 reports32,870 miles · Jul 8, 2009
Service Brakes, Hydraulic
TL*THE CONTACT OWNS A 2002 WORKHORSE W22 MOTOR HOME. THE CONTACT STATED THAT THE BRAKES FAILED DURING STOP-AND-GO TRAFFIC. HE ALSO STATED THAT THE BRAKES WERE DRAGGING. THE BRAKE PEDAL EXTENDED TO THE FLOOR WHEN IT WAS DEPRESSED. THE MANUFACTURER STATED THAT THEY WOULD ASSIST WITH THE REPAIRS AND THAT THE VEHICLE WAS INCLUDE…
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TL*THE CONTACT OWNS A 2002 WORKHORSE W22 MOTOR HOME. THE CONTACT STATED THAT THE BRAKES FAILED DURING STOP-AND-GO TRAFFIC. HE ALSO STATED THAT THE BRAKES WERE DRAGGING. THE BRAKE PEDAL EXTENDED TO THE FLOOR WHEN IT WAS DEPRESSED. THE MANUFACTURER STATED THAT THEY WOULD ASSIST WITH THE REPAIRS AND THAT THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN ID NUMBER 09V11000. THE DEALER STATED THAT THEY NEEDED APPROVAL DIRECTLY FROM THE MANUFACTURER BEFORE MAKING ANY REPAIRS. THE MANUFACTURER COULD NOT BE REACHED. THE MILEAGES WERE UNKNOWN. UPDATED 8/10/09 *CN UPDATED 08/13/09.*JB
NHTSA ODI #10276112
Mileage unknown · Jun 15, 2009
Service Brakes, Hydraulic
WORKHORSE SAFETY RECALL 50901C. *NJ THE CONSUMER STATED THE BRAKES WERE HOLDING. THE CONSUMER TOOK THE RV TO A MECHANIC AND WAS TOLD THE ABS SENSORS HAD MELTED AND WOULD HAVE TO BE ORDERED. THE CONSUMER WENT BACK TO HAVE THE SENSORS INSTALLED, BUT WAS TOLD A THIRD SENSOR WAS BAD. THE BRAKES NEEDED A COMPLETE REBUILD DUE TO TH…
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WORKHORSE SAFETY RECALL 50901C. *NJ THE CONSUMER STATED THE BRAKES WERE HOLDING. THE CONSUMER TOOK THE RV TO A MECHANIC AND WAS TOLD THE ABS SENSORS HAD MELTED AND WOULD HAVE TO BE ORDERED. THE CONSUMER WENT BACK TO HAVE THE SENSORS INSTALLED, BUT WAS TOLD A THIRD SENSOR WAS BAD. THE BRAKES NEEDED A COMPLETE REBUILD DUE TO THE DAMAGE CAUSED BY HEAT.*JB
NHTSA ODI #10274468
7,210 miles · Jun 15, 2009
Service Brakes, Hydraulic
TL*THE CONTACT OWNS A 2003 FOREST RIVER WINDSONG WITH A 2002 WORKHORSE W22 CHASSIS. WHILE DRIVING 55 MPH, THE FRONT END OF THE VEHICLE VIBRATED CONSTANTLY. THE CONTACT INSPECTED THE VEHICLE AND NOTICED AN ODOROUS SMOKE COMING FROM UNDERNEATH. HE POURED WATER ON THE BRAKE CALIPERS TO COOL THEM DOWN IN ORDER TO RETURN TO HIS RE…
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TL*THE CONTACT OWNS A 2003 FOREST RIVER WINDSONG WITH A 2002 WORKHORSE W22 CHASSIS. WHILE DRIVING 55 MPH, THE FRONT END OF THE VEHICLE VIBRATED CONSTANTLY. THE CONTACT INSPECTED THE VEHICLE AND NOTICED AN ODOROUS SMOKE COMING FROM UNDERNEATH. HE POURED WATER ON THE BRAKE CALIPERS TO COOL THEM DOWN IN ORDER TO RETURN TO HIS RESIDENCE. HE STATED THAT THE BRAKES SEEMED TO HAVE LOCKED UP, WHICH CAUSED THE VIBRATION. THE VEHICLE HAS NOT BEEN TAKEN TO THE DEALER AND THE MANUFACTURER HAS NOT BEEN NOTIFIED. PRIOR TO THE FAILURE, THE CONTACT RECEIVED AN INTERIM NOTICE THAT ALERTED HIM TO A POSSIBLE DEFECT WITH THE BRAKES. THE CURRENT AND FAILURE MILEAGES WERE 7,210. UPDATED 06/24/09. *LJ UPDATED 06/26/09.*JB
NHTSA ODI #10273788
20,000 miles · May 26, 2009
Electrical SystemService Brakes, Hydraulic
TL*THE CONTACT OWNS A 2002 WINNEBAGO ADVENTURER RV, MODEL 35U. THE CONTACT RECEIVED A RECALL NOTICE REGARDING THE BRAKING SYSTEM ON THE VEHICLE. IN OCTOBER OF 2008, THE BRAKES FAILED AND NEARLY CAUSED A CRASH. THE CONTACT CALLED THE DEALER AND A LAWYER AND WAS ADVISED TO FILE A COMPLAINT WITH THE ATTORNEY GENERAL IN PENNSYLVA…
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TL*THE CONTACT OWNS A 2002 WINNEBAGO ADVENTURER RV, MODEL 35U. THE CONTACT RECEIVED A RECALL NOTICE REGARDING THE BRAKING SYSTEM ON THE VEHICLE. IN OCTOBER OF 2008, THE BRAKES FAILED AND NEARLY CAUSED A CRASH. THE CONTACT CALLED THE DEALER AND A LAWYER AND WAS ADVISED TO FILE A COMPLAINT WITH THE ATTORNEY GENERAL IN PENNSYLVANIA. THE ATTORNEY GENERAL REFERRED THE CONTACT TO THE ATTORNEY GENERAL IN OHIO. THE DEALER REFUSED TO REPAIR THE VEHICLE. THE VEHICLE HAS BEEN PARKED AT A STORAGE FACILITY SINCE OCTOBER 10, 2008 AND HAD TO BE TOWED. THE COST TO REPAIR THE VEHICLE WAS ESTIMATED BETWEEN $3,000 AND $5,000. PRIOR TO THE FAILURE, THE DEALER CHARGED $795 FOR A SYSTEM CHECK. WHILE DRIVING APPROXIMATELY 40 MPH DOWN A HILL, THE VEHICLE FAILED AND WAS TOWED AWAY. THE CONTACT CALLED THE MANUFACTURER, BUT THERE WAS NO ANSWER. THE DEALER WAS NOTIFIED OF THE NEAR CRASH AND HUNG UP THE PHONE ON THE CONTACT. THE NHTSA CAMPAIGN ID NUMBER WAS UNKNOWN. THE CURRENT MILEAGE WAS 20,000. THE CONSUMER ALSO HAD ELECTRICAL PROBLEMS WITH THE RV. UPDATED 06/16/09.*JB
NHTSA ODI #10269910
41,000 miles · Apr 20, 2009
Service Brakes, HydraulicFire
WE WERE TRAVELING ON INTERSTATE 83 HEADING NORTH PAST BALTIMORE WHEN WE SMELLED A BURNING BRAKE SMELL - WE PULLED OVER ON THE SIDE OF 83 AND THE FRONT DRIVERS SIDE BRAKE CALIBER HAD STUCK AND WOULD NOT RELEASE - THE RUBBER DUST BOOT CAUGHT FIRE - THE INSIDE OF THE TIRE CRACKED AND BEGAN TO MELT DUE TO THE HEAT - WE EXTINGUISHED …
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WE WERE TRAVELING ON INTERSTATE 83 HEADING NORTH PAST BALTIMORE WHEN WE SMELLED A BURNING BRAKE SMELL - WE PULLED OVER ON THE SIDE OF 83 AND THE FRONT DRIVERS SIDE BRAKE CALIBER HAD STUCK AND WOULD NOT RELEASE - THE RUBBER DUST BOOT CAUGHT FIRE - THE INSIDE OF THE TIRE CRACKED AND BEGAN TO MELT DUE TO THE HEAT - WE EXTINGUISHED IT WITH THE FIRE EXTINGUISHER. AFTER LETTING THE BRAKE COOL FOR A HOUR WE WERE ABLE TO MAKE IT OFF THE EXIT TO A SIDE ROAD. THIS IS THE SECOND BRAKE CALIBER THAT HAS GONE BAD ON THIS VEHICLE. THE FIRST BEING IN JULY 2008 ON THE REAR PASSENGER SIDE. WE PURCHASED THE PARTS AT BILL'S AUTO AND TRUCK REPAIR IN GWYNN OAK, MD - INVOICE NUMBER 10847 TOTALING $670.25 FOR PARTS. WHEN I CALLED WORKHORSE THEY SAID THAT THE RECALL NOTICES HAVE BEEN SENT OUT AND OUR MOTOR HOME IS INCLUDED IN THE RECALL AND WE SHOULD RECEIVE THE RECALL NOTICE WITHIN 30 DAYS. WE CALLED MILLERS REPAIR IN BELTSVILLE AND THEY SAID THAT RECALL NUMBER 50901-C WAS LISTED BUT THE PARTS AREN'T DUE IN UNTIL SEPT - OCT 2009. THE MOTOR HOME IS UN-DRIVABLE DUE TO THIS DEFECT AND I BELIEVE IT SHOULD BE REPAIRED RIGHT AWAY. WE HAVE MANY CAMPING PLANS FOR THE SUMMER AND DO NOT WANT TO WASTE AND ENTIRE SUMMER DUE TO THE WORKHORSE DEFECT. 2003 CHALLENGER MOTOR . ANY HELP / INFORMATION OR DIRECTION YOU COULD GIVE US WOULD BE APPRECIATED. *TR UPDATED 05/08/09
NHTSA ODI #10266174
Mileage unknown · Apr 10, 2009
Service Brakes, Hydraulic
TL*THE CONTACT OWNS A 2002 WORKHORSE W22. THE CONTACT NOTICED THAT THE ABS WARNING INDICATOR WOULD CONSISTENTLY ILLUMINATE ON THE INSTRUMENT CONTROL PANEL. HE TOOK THE VEHICLE TO THE DEALER AND THEY REPLACED ALL THE ABS SENSORS AT THE COST OF $618. SEVERAL MONTHS AFTER THE REPAIR, THE FAILURE RESURFACED. HE TOOK THE VEHICLE …
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TL*THE CONTACT OWNS A 2002 WORKHORSE W22. THE CONTACT NOTICED THAT THE ABS WARNING INDICATOR WOULD CONSISTENTLY ILLUMINATE ON THE INSTRUMENT CONTROL PANEL. HE TOOK THE VEHICLE TO THE DEALER AND THEY REPLACED ALL THE ABS SENSORS AT THE COST OF $618. SEVERAL MONTHS AFTER THE REPAIR, THE FAILURE RESURFACED. HE TOOK THE VEHICLE BACK TO THE DEALER AND THEY REPLACED THE TWO FRONT ABS SENSORS AT THE COST OF $360. TWO MONTHS AFTER THE REPAIR, THE FAILURE RECURRED. THE CONTACT TOOK THE VEHICLE BACK TO THE DEALER AND THEY STATED THAT HE NEEDED TO REPLACE THE ENTIRE BRAKING SYSTEM AT THE COST OF $2,000. HE IS IN THE PROCESS OF HAVING THE VEHICLE REPAIRED. THE MANUFACTURER DID NOT ASSIST. THE FAILURE AND CURRENT MILEAGES WERE NOT APPLICABLE.
NHTSA ODI #10264901
Mileage unknown · Apr 3, 2009
Service Brakes, Hydraulic
TL*THE CONTACT OWNS A 2002 WORKHORSE W22 CHASSIS. THE VEHICLE WAS REPAIRED ACCORDING TO NHTSA CAMPAIGN ID NUMBER 04V084000 (SERVICE BRAKES, HYDRAULIC) IN 2004. SEVERAL YEARS LATER, THE CONTACT NOTICED THAT THE BRAKING SYSTEM WOULD HANG UP OR LOCK DURING EMERGENCY STOPPING. DURING THE FAILURE, THE ABS WARNING INDICATOR ILLUMIN…
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TL*THE CONTACT OWNS A 2002 WORKHORSE W22 CHASSIS. THE VEHICLE WAS REPAIRED ACCORDING TO NHTSA CAMPAIGN ID NUMBER 04V084000 (SERVICE BRAKES, HYDRAULIC) IN 2004. SEVERAL YEARS LATER, THE CONTACT NOTICED THAT THE BRAKING SYSTEM WOULD HANG UP OR LOCK DURING EMERGENCY STOPPING. DURING THE FAILURE, THE ABS WARNING INDICATOR ILLUMINATED ON THE INSTRUMENT PANEL ACCOMPANIED BY A BURNING ODOR. HE CALLED A LOCAL REPAIR SHOP AND A TECHNICIAN STATED THAT HE WOULD HAVE TO REPLACE THE BRAKE CALIPER, PADS, AND ABS MODULE. THE VEHICLE HAS NOT YET BEEN REPAIRED. THE MANUFACTURER STATED THAT THEY WOULD NOT ASSUME RESPONSIBILITY FOR THE REPAIR BECAUSE THE VEHICLE WAS PREVIOUSLY REPAIRED ACCORDING TO THE RECALL. THE FAILURE AND CURRENT MILEAGES WERE NOT APPLICABLE. UPDATED 10/5/09 *CN THE CONSUMER STATED THE ROTORS HAD CRACKS, THE PAS WERE SCARRED AND HAD CHUNKS MISSING FROM THEM. THE ROTORS WERE TURNED AND THE PADS WERE REPLACED. THE CONSUMER WAS INFORMED BY THE MANUFACTURER THAT THE BRAKES WERE REPAIRED IN 2004 AND NO FURTHER ACTION WOULD BE TAKEN. THE CONSUMER STATED THE PROBLEM WAS NEVER REMEDIED AND THIS HAS BEEN AN ONGOING PROBLEM SINCE 2002. UPDATED 10/06/09
NHTSA ODI #10264094
31,000 miles · Mar 9, 2009
Service Brakes, Hydraulic
RIGHT FRONT BRAKE CALIPER NOT FULLY RELEASING, CAUSING EXTREME HEAT, MELTING OF PLASTIC COVER, GLAZING OF THE ROTOR, MELTING OF THE ABS SPEED SENSOR. THE FAILURE OCCURS ALMOST EVERY TRIP, WHERE THE BRAKE DRAGS SLIGHTLY, BUT USUALLY RELEASES AFTER A FEW MILES. I HAVE HAD THE WORKHORSE RECALL COMPLETED REGARDING BRAKES, BUT…
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RIGHT FRONT BRAKE CALIPER NOT FULLY RELEASING, CAUSING EXTREME HEAT, MELTING OF PLASTIC COVER, GLAZING OF THE ROTOR, MELTING OF THE ABS SPEED SENSOR. THE FAILURE OCCURS ALMOST EVERY TRIP, WHERE THE BRAKE DRAGS SLIGHTLY, BUT USUALLY RELEASES AFTER A FEW MILES. I HAVE HAD THE WORKHORSE RECALL COMPLETED REGARDING BRAKES, BUT IT DID NOT HELP THE ISSUE. *TR
NHTSA ODI #10261325
Mileage unknown · Feb 5, 2009
Service Brakes, Hydraulic
TL*THE CONTACT OWNS A 2002 FLEETWOOD BOUNDER. THE CONTACT TOOK HIS VEHICLE TO A LOCAL RV REPAIR SHOP FOR ROUTINE INSPECTION AND WAS INFORMED THAT HIS BRAKES WERE DAMAGED. THE VEHICLE WAS REPAIRED ACCORDING TO NHTSA CAMPAIGN ID NUMBER 04V084000 (SERVICE BRAKES, HYDRAULIC). THREE YEARS AFTER THE REPAIR, HE WAS ADVISED BY A TECH…
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TL*THE CONTACT OWNS A 2002 FLEETWOOD BOUNDER. THE CONTACT TOOK HIS VEHICLE TO A LOCAL RV REPAIR SHOP FOR ROUTINE INSPECTION AND WAS INFORMED THAT HIS BRAKES WERE DAMAGED. THE VEHICLE WAS REPAIRED ACCORDING TO NHTSA CAMPAIGN ID NUMBER 04V084000 (SERVICE BRAKES, HYDRAULIC). THREE YEARS AFTER THE REPAIR, HE WAS ADVISED BY A TECHNICIAN THAT THE BRAKE ROTORS AND PADS NEEDED TO BE REPLACED. THE CONTACT IS IN THE PROCESS OF HAVING THE VEHICLE REPAIRED. THE MANUFACTURER DID NOT ASSIST. THE FAILURE AND CURRENT MILEAGES WERE NOT APPLICABLE. UPDATED 06/11/09. *LJ THE CONSUMER WAS INFORMED THE FRONT ROTOR HAD A LAARGE CRACK. THE ROTORS AND BRAKES WERE REPLACED. SINCE THE ROTORS WERE REPLACED, THE BRAKE LIGHT COMES ON. UPDATED 06/11/09.*JB
NHTSA ODI #10257541
20,500 miles · Dec 11, 2008
Service Brakes, Hydraulic
BRAKES HAVE BEEN GIVING TROUBLE. REDID FRONT BRAKES AND NOW HAVE TO DO THE REAR. 2002 WORKHORSE MOTOR HOME CHASSIS. REPAIRS TO THE FRONT WAS OVER 900.00 . DON'T KNOW WHAT THE REAR WILL COST... *TR
NHTSA ODI #10251450
NHTSA investigations
2EA07016 · 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.
EA03003 · Overheating Front And Rear Brakes
Opened Apr 9, 2003 · Closed Mar 3, 2004
Status: closed (inferred from source dates) · Service Brakes, Hydraulic:foundation Components
THIS INVESTIGATION WAS DERIVED FROM INFORMATION GATHERED DURING PE02-046, BOSCH DISC BRAKE CALIPERS.THIS INVESTIGATION FOCUSED ON THE VEHICLE MANUFACTURER, NEWMAR.SUBJECT VEHICLES WERE THOSE BUILT WITH A HYDRAULIC BRAKE SYSTEM INCORPORATING THE BOSCH ZERO OFFSET PIN SLIDE (ZOPS) CALIPERS.ODI'SCONCERN WASEXCESSIVE WHEEL END HEAT, POSSIBLY RESULTING IN A WHEEL END FIRE.DURING THE INVESTIGATION, ODI DISCOVERED TWO SPECIFIC NEWMAR VEHICLE MODELS, THOSE BUILT ON NEWMAR CHASSIS AND THOSE BUILT ON A WORKHORSE CHASSIS. AS A RESULT OF THE AGENY'S INVESTIGATION INTO THIS MATTER, ALL NEWMAROWNERS WILL BE NOTIFIED (04V-019) AND THE REMEDY WILL BE APPLIED TO THEIR VEHICLES. SOME NEWMAR VEHICLES (1,795) BUILT ON THE WORKHORSE CHASSIS ARE BEING RECALLED BY WORKHORSE (04V-084).THIS INVESTIGATION IS CLOSED.FURTHER DETAILS ARE PROVIDED ON PAGES 2, 3, AND 4.COPIES OF BOTH SAFETY RECALLS ARE ATTACHED.