NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
67 reports46,000 miles · Jan 14, 2010
Service Brakes, Hydraulic
TL*THE CONTACT OWNS A 2002 HOLIDAY RAMBLER. THE VEHICLE WAS BUILT ON A WORKHORSE CHASSIS W22. THE CONTACT WAS DRIVING APPROXIMATELY 60 MPH ON NORMAL ROAD CONDITIONS WHEN THE BRAKE PEDAL TRAVELED TO THE FLOOR WITHOUT RESISTANCE. PRESSURE WAS APPLIED, THERE WERE SEVERAL ATTEMPTS BEFORE THE VEHICLE SLOWED DOWN. THE DRIVER WAS ABLE …
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TL*THE CONTACT OWNS A 2002 HOLIDAY RAMBLER. THE VEHICLE WAS BUILT ON A WORKHORSE CHASSIS W22. THE CONTACT WAS DRIVING APPROXIMATELY 60 MPH ON NORMAL ROAD CONDITIONS WHEN THE BRAKE PEDAL TRAVELED TO THE FLOOR WITHOUT RESISTANCE. PRESSURE WAS APPLIED, THERE WERE SEVERAL ATTEMPTS BEFORE THE VEHICLE SLOWED DOWN. THE DRIVER WAS ABLE TO DRIVE TO THE SIDE OF THE ROAD WITH EXTREME CAUTION. THE ENGINE WAS TURNED OFF AND RESTARTED 2 HOURS LATER. THE VEHICLE WAS ABLE TO RESUME NORMAL OPERATION. NHTSA CAMPAIGN ID NUMBER 09V110000, SERVICE BRAKES, HYDRAULIC IS RELATED TO THE FAILURE; HOWEVER, THE PART REQUIRED FOR THE REPAIR WAS UNAVAILABLE. THE VEHICLE HAS NOT BEEN DRIVEN AT THIS TIME. THERE WERE CONCERNS OF THE SAFETY RISKS INVOLVED AND THE UNCERTAINTY OF THE AVAILABILITY OF THE PART. THE FAILURE MILEAGE WAS 46,000. THE CURRENT MILEAGE WAS 60,000. UPDATED 03/01/10. *LJ THE CONSUMER STATED THE BRAKES BECAME EXCESSIVELY HOT ON THE LEFT FRONT SIDE AND THEY FROZE UP. UPDATED 06/14/10.*JB
NHTSA ODI #10299713
8,406 miles · Dec 8, 2009
Service Brakes, Hydraulic
TL* THE CONTACT OWNS A 2002 WORKHORSE W22. THE BRAKE PEDAL WOULD NOT RELEASE AFTER APPLICATION. ALSO THE BRAKE SYSTEM WOULD INTERMITTENTLY OVER-HEAT. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER, AND A SPRING ON THE BRAKE PEDAL AS INSTALLED. THE REPAIR DID NOT REMEDY THE FAILURE. THE CALIPER GUIDE PIN KIT AND GUIDE PIN BOOT…
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TL* THE CONTACT OWNS A 2002 WORKHORSE W22. THE BRAKE PEDAL WOULD NOT RELEASE AFTER APPLICATION. ALSO THE BRAKE SYSTEM WOULD INTERMITTENTLY OVER-HEAT. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER, AND A SPRING ON THE BRAKE PEDAL AS INSTALLED. THE REPAIR DID NOT REMEDY THE FAILURE. THE CALIPER GUIDE PIN KIT AND GUIDE PIN BOOT KIN WERE REPLACED. IN 2006, WHILE DRIVING DOWN THE HIGHWAY, HE ATTEMPTED TO USE THE BRAKES AND THEY WERE UNRESPONSIVE. HE ALLOWED THE VEHICLE TO NATURALLY DECELERATE. HE WENT TO ANOTHER AUTHORIZED DEALER, AND THE FRONT WHEEL SEAL, REAR WHEEL SEAL, TWO CALIPERS, TWO BRAKE PAD KITS, AN AXLE GASKET, AND TWO ABS WHEEL SENSORS WERE REPLACED UNDER WARRANTY. ALSO, GREASE ZEROED ALSO INSTALLED ON THE JACK VALVE AT ANOTHER DEALER UNDER WARRANTY . IN 2008, WHILE DRIVING THE BRAKE FAILED AGAIN. HE SHIFTED A VEHICLE INTO A LOWER GEAR AND USED THE EMERGENCY BRAKE TO STOP. HE THEN RECEIVED A RECALL NOTICE IN APRIL OF 2009 (RECALL 09V110000) BUT RECEIVED NO REMEDY. HE SPOKE WITH TWO REPRESENTATIVES IN DECEMBER 2009,WHO TOLD HIM THAT THEY HAD NO WAY OF KNOWING HOW TO REPAIR THE ISSUE. THE CURRENT MILEAGE WAS APPROXIMATELY 34,750. THE FAILURE MILEAGE WAS 8,406.
NHTSA ODI #10294871
36,588 miles · Dec 7, 2009
Service Brakes, Hydraulic
TL*THE CONTACT OWNS A 2002 NEWMAR MOUNTAIN AIRE RV WITH A W22 WORKHORSE CHASSIS. WHILE DRIVING BETWEEN 55 TO 60 MPH THE CONTACT BEGAN TO SMELL THE BRAKE PADS BURNING. THE CONTACT SHUT THE ENGINE OFF AND EXAMINED THE BRAKES. THE DEALER STATED THAT THE FRONT PASSENGER AND BOTH REAR CALIPERS WERE CRACKED AND NEEDED TO BE REPLACED. …
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TL*THE CONTACT OWNS A 2002 NEWMAR MOUNTAIN AIRE RV WITH A W22 WORKHORSE CHASSIS. WHILE DRIVING BETWEEN 55 TO 60 MPH THE CONTACT BEGAN TO SMELL THE BRAKE PADS BURNING. THE CONTACT SHUT THE ENGINE OFF AND EXAMINED THE BRAKES. THE DEALER STATED THAT THE FRONT PASSENGER AND BOTH REAR CALIPERS WERE CRACKED AND NEEDED TO BE REPLACED. ONE YEAR LATER; JULY 2009 WHILE DRIVING APPROXIMATELY 40 MPH THE CONTACT SMELLED THE BRAKES BURNING AGAIN AND TOOK THE VEHICLE TO A DEALER. THE DEALER REPLACED ALL FOUR BRAKE CALIPERS. THE CONTACT RECEIVED A RECALL NOTICE REGARDING BRAKE CALIPERS FROM WORKHORSE. THE CONTACT STATED THAT VEHICLE IS UNSAFE. THE CURRENT MILEAGE WAS 45,000 AND THE FAILURE MILEAGE WAS 36,588. UPDATED 01/12/10 *BF THE FRONT WHEEL OIL SEAL, LEFT FRONT OIL SEAL, BRAKE PADS, MASTER CYLINDER, CALIPERS AND ROTORS WERE ALL REPLACED. THE ABS LIGHT ILLUMINATED AS WELL. UPDATED 01/15/10.*JB
NHTSA ODI #10294728
35,000 miles · Oct 5, 2009
Service Brakes, HydraulicCrash
INCIDENT IN ENGLAND: SOFT PEDAL & LOSS OF BRAKING, ON IMPORTED AMERICAN MOTORHOME (RV). THERE ARE THOUSANDS OF IMPORTED RVS HERE. MY VEHICLE IS A 2002 'TRAIL LITE 262' BY R-VISION ON A WORKHORSE CHASSIS. IT IS USED REGULARLY & HAS 35,000 MILES. A RECENT SERVICE NOTED THE BRAKE CALIPERS WERE FREE TO MOVE, BUT SUITABLE LUBRICA…
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INCIDENT IN ENGLAND: SOFT PEDAL & LOSS OF BRAKING, ON IMPORTED AMERICAN MOTORHOME (RV). THERE ARE THOUSANDS OF IMPORTED RVS HERE. MY VEHICLE IS A 2002 'TRAIL LITE 262' BY R-VISION ON A WORKHORSE CHASSIS. IT IS USED REGULARLY & HAS 35,000 MILES. A RECENT SERVICE NOTED THE BRAKE CALIPERS WERE FREE TO MOVE, BUT SUITABLE LUBRICANT WAS APPLIED AS A PRECAUTION. TWO WEEKS AGO, APPROACHING A SHARP DOUBLE BEND AT 40 TO 50 MPH, THE BRAKE PEDAL WENT TO THE FLOOR WITH NO RETARDING ACTION. I COULD NOT TAKE THE CURVE AT THAT SPEED, AND QUICKLY PUT THE AUTO GEARBOX INTO LOW, AND STEERED OFF THE ROAD ONTO THE GRASS, THEN A FARM ENTRANCE. I WAS LUCKY - ELSEWHERE THAT ROAD HAS A DRAINAGE DITCH ALONGSIDE. IT COULD HAVE BEEN SERIOUS. AFTER STOPPING I REALIZED THERE WAS A VERY STRONG BURNING SMELL FROM BOTH REAR BRAKES. I CRAWLED ALONG FOR HALF A MILE AND PARKED UP. NEXT MORNING THE PEDAL FEEL HAD RETURNED; IT WAS OBVIOUS THAT OVERHEATING HAD BOILED THE FLUID CAUSING PRESSURE LOSS. I PHONED THE SPECIALIST RV GARAGE WHICH SERVICES IT. THEY TOLD ME IN RECENT WEEKS THEY HAD 4 VEHICLES WITH THE SAME FAULT, AND REPLACED BRAKE CALIPERS IN WHICH THE PISTONS WERE SEIZING OR HANGING. ALL WERE ON THE WORKHORSE CHASSIS, AROUND 2002 -3 WITH SIMILAR USAGE AND MILEAGE. I AM CONVINCED THIS IS A SERIOUS MANUFACTURING DEFECT AFFECTING RVS IN THE UK. I NOTE ON YOUR WEBSITE WORKHORSE HAVE ACCEPTED THIS FAULT, STATING THAT IT AFFECTS THE W22 CHASSIS ETC. THE SERVICE MECHANIC HERE ASSURES ME THE VERY SAME BRAKES ARE ALSO FITTED TO THE P22 CHASSIS (WHICH MINE IS). IN THE UK THERE HAS BEEN NO RECALL CAMPAIGN OR PUBLICITY ABOUT THE FAULT. I AM CONCERNED THERE COULD BE A SERIOUS ACCIDENT, OR EVEN FATALITY. MAY I SUGGEST YOU COMMUNICATE THE PROBLEM TO OUR 'VEHICLE OPERATING & SAFETY AGENCY' SO THEY ISSUE A WARNING OR RECALL. ALSO, CAN YOU ADVISE ME HOW TO GET THE FAULTY BRAKES REPLACED BY WORKHORSE PLEASE.*TR
NHTSA ODI #10286359
Mileage unknown · Sep 30, 2009
Service Brakes, Hydraulic
TL*THE CONTACT OWNS A 2002 W22 WORKHORSE CHASSIS TRAILER. THERE IS AN ABNORMAL HEAT GENERATION AT THE WHEEL END WHICH CAUSED THE BRAKES TO DRAG. THE MANUFACTURER WAS NOTIFIED IN REFERENCE TO RECALL # 09V110000 (SERVICE BRAKES, HYDRAULIC). HE WAS ADVISED THAT A REMEDY HAS NOT BEEN DEVELOPED; THEREFORE, NO REPAIRS COULD BE MADE. T…
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TL*THE CONTACT OWNS A 2002 W22 WORKHORSE CHASSIS TRAILER. THERE IS AN ABNORMAL HEAT GENERATION AT THE WHEEL END WHICH CAUSED THE BRAKES TO DRAG. THE MANUFACTURER WAS NOTIFIED IN REFERENCE TO RECALL # 09V110000 (SERVICE BRAKES, HYDRAULIC). HE WAS ADVISED THAT A REMEDY HAS NOT BEEN DEVELOPED; THEREFORE, NO REPAIRS COULD BE MADE. THE FAILURE AND CURRENT MILEAGES WERE NOT APPLICABLE.
NHTSA ODI #10285847
Mileage unknown · Sep 23, 2009
Exterior LightingService Brakes, Hydraulic
LETTER FROM CONSUMER RE RECALL FOR BRAKE PROBLEMS WITH WORKHORSE CHASSIS. *NJ WHILE ON A TRIP, THE BRAKES OVERHEATED. THE RV WAS TAKEN TO THE DEALER AND IT WAS FOUND THAT THE ENTIRE BRAKING SYSTEM WAS DEFECTIVE. THE CONSUMER WAS INFORMED THE PARTS WOULD NOT BE AVAILABLE UNTIL NOVEMBER EVEN THOUGH THE ISSUE WAS A RECALL. THE …
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LETTER FROM CONSUMER RE RECALL FOR BRAKE PROBLEMS WITH WORKHORSE CHASSIS. *NJ WHILE ON A TRIP, THE BRAKES OVERHEATED. THE RV WAS TAKEN TO THE DEALER AND IT WAS FOUND THAT THE ENTIRE BRAKING SYSTEM WAS DEFECTIVE. THE CONSUMER WAS INFORMED THE PARTS WOULD NOT BE AVAILABLE UNTIL NOVEMBER EVEN THOUGH THE ISSUE WAS A RECALL. THE BRAKES LIGHTS REMAINED ON AFTER THE PEDAL WAS RELEASE. THE MECHANIC FOUND AN INTERNAL SHORT IN THE MULTI-FUNCTION SWITCH. THE HAZARD LIGHTS WERE NOT WORKING. *JB
NHTSA ODI #10285393
15,000 miles · Sep 23, 2009
Service Brakes, Hydraulic
TL*THE CONTACT OWNS A 2002 HOLIDAY RAMBLER VACATIONER. THE CONTACT STATED HEAT BUILDS UP IN THE BRAKE SYSTEM. THE RV WAS TAKEN TO THE DEALER AND THE CALIPERS AND ROTORS WERE REPLACED. IMMEDIATELY AFTER THE REPAIR HE NOTICED THAT THE TRANSMISSION WOULD NOT CHANGE GEARS AND THE SPEEDOMETER WAS INOPERATIVE. HE NOTIFIED THE DEALER …
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TL*THE CONTACT OWNS A 2002 HOLIDAY RAMBLER VACATIONER. THE CONTACT STATED HEAT BUILDS UP IN THE BRAKE SYSTEM. THE RV WAS TAKEN TO THE DEALER AND THE CALIPERS AND ROTORS WERE REPLACED. IMMEDIATELY AFTER THE REPAIR HE NOTICED THAT THE TRANSMISSION WOULD NOT CHANGE GEARS AND THE SPEEDOMETER WAS INOPERATIVE. HE NOTIFIED THE DEALER BUT WAS NOT PROVIDED WITH ANY ASSISTANCE. THE FAILURE AND CURRENT MILEAGES WERE 15,000. CONSUMER IS UPDATING INFORMATION. 10/15/09 *NJ THE CONSUMER ALSO STATED THE ABS LIGHT ILLUMINATED. THE CONSUMER STATED AFTER ALL THE PROBLEMS HE EXPERIENCED, HE FINALLY RECEIVED A RECALL FROM WORKHORSE. THE CONSUMER WAS INFORMED DUE TO THE BRAKES OVERHEATING, THEY PROBABLY CAUSED DAMAGE TO THE TRANSMISSION. THE CALIPERS WERE BAD AND THE ABS FUSES WERE HANGING DOWN AND BURNED UP. UPDATED 10/16/09 UPDATED 10/20/09 *CN UPDATED 10/23/09.*JB
NHTSA ODI #10285045
Mileage unknown · Sep 14, 2009
Service Brakes, Hydraulic
2002 WINNEBAGO ADVENTURER 35-U HAD A BRAKE PROBLEM. CONSUMER WANTS TO BE REIMBURSED FOR THE REPAIRS (SAFETY RECALL 50901-C). *NJ THE RIGHT FRONT CALIPER LOCKED UP AND THE LEFT REAR CALIPER WAS DRAGGING. 2002 WORKHORSE W22 CHASSIS. UPDATED 09/14/09. *JB THE CONSUMER IS SEEKING REIMBURSEMENT FOR THE REPAIRS MADE TO THE BRAKE…
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2002 WINNEBAGO ADVENTURER 35-U HAD A BRAKE PROBLEM. CONSUMER WANTS TO BE REIMBURSED FOR THE REPAIRS (SAFETY RECALL 50901-C). *NJ THE RIGHT FRONT CALIPER LOCKED UP AND THE LEFT REAR CALIPER WAS DRAGGING. 2002 WORKHORSE W22 CHASSIS. UPDATED 09/14/09. *JB THE CONSUMER IS SEEKING REIMBURSEMENT FOR THE REPAIRS MADE TO THE BRAKES. UPDATED 08/04/10.*JB
NHTSA ODI #10284291
Mileage unknown · Aug 26, 2009
Service Brakes, Hydraulic
CONSUMER IS SEEKING REIMBURSEMENT FOR REPAIRS AFTER RECEIVING SAFETY RECALL 50901-C FOR WORKHORSE RV. *NJ PRIOR TO RECEIVING THE RECALL, THE FRONT BRAKES OVERHEATED. THE ROTORS, CALIPERS, INNER SEALS, RIGHT REAR SPEED SENSOR, HUB SEALS AND OUTER GASKET WERE REPLACED. *JB
NHTSA ODI #10282148
16,500 miles · Jul 17, 2009
Service Brakes, HydraulicFire
DRIVER SIDE REAR BRAKE FIRE ON 2002 WORKHORSE MOTOR HOME CHASIS. FIRE WAS NOTED WHEN STOPPING AT CAMPGROUND ENTRANCE AFTER TRAVELING ABOUT 5 MILES ON LEVEL GROUND AT 25 MILES PER HOUR FROM HIGHWAY ON SIDE ROAD. IMMEDIATELY HOSED DOWN BRAKE ASSEMBLY. MOTORHOME WAS ALLOWED TO SET FOR 3 DAYS. DROVE MOTORHOME AFTERWARDS WITH NO …
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DRIVER SIDE REAR BRAKE FIRE ON 2002 WORKHORSE MOTOR HOME CHASIS. FIRE WAS NOTED WHEN STOPPING AT CAMPGROUND ENTRANCE AFTER TRAVELING ABOUT 5 MILES ON LEVEL GROUND AT 25 MILES PER HOUR FROM HIGHWAY ON SIDE ROAD. IMMEDIATELY HOSED DOWN BRAKE ASSEMBLY. MOTORHOME WAS ALLOWED TO SET FOR 3 DAYS. DROVE MOTORHOME AFTERWARDS WITH NO PROBLEM. CONTACTED MANUFACTURER WORKHORSE, THEY SAID THE BRAKE CALIPER WAS STUCK AND THAT IT SHOULD NOT HAPPEN AGAIN AND THE VEHICLE IS OKAY TO DRIVE. I AM VERY CONCERNED ABOUT DRIVING THE VEHICLE. *TR
NHTSA ODI #10277112
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.