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2003 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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What owners reported most

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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

Service Brakes, Hydraulic complaints

106 reports
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18,150 miles · Apr 23, 2008
Service Brakes, Hydraulic

FRONT BRAKES HAVE LOCKED UP TWICE ON THIS WORKHORSE W22 CHASSIS. THE FIRST TIME THEY WERE PATCHED UNDER WARRANTY. HOWEVER, THE CALIPERS WERE NOT REPLACED AND THEY FAILED AGAIN ONE YEAR LATER. WORKHORSE REFUSED TO PAY FOR THE REPAIR EVEN THOUGH THEY KNOW FROM THEIR PAST EXPERIENCE THAT ALL THE CALIPERS THEY USED OVER A PERIOD …

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FRONT BRAKES HAVE LOCKED UP TWICE ON THIS WORKHORSE W22 CHASSIS. THE FIRST TIME THEY WERE PATCHED UNDER WARRANTY. HOWEVER, THE CALIPERS WERE NOT REPLACED AND THEY FAILED AGAIN ONE YEAR LATER. WORKHORSE REFUSED TO PAY FOR THE REPAIR EVEN THOUGH THEY KNOW FROM THEIR PAST EXPERIENCE THAT ALL THE CALIPERS THEY USED OVER A PERIOD OF YEARS ARE BAD. THIS IS A SAFETY HAZARD AND HAD I NOT RECOGNIZED THE PROBLEM AND STOPPED THERE COULD HAVE BEEN A MAJOR FIRE IN THE MOTORHOME IN WHICH MY WIFE AND I WERE RIDING. THEIR FAILURE TO EVEN ACKNOWLEDGE THE PROBLEM, EVEN THOUGH THERE IS A CURRENT NHTSA INVESTIGATION, SEEMS ALMOST CRIMINAL. IS SOMEONE GOING TO HAVE TO DIE BEFORE THEY ARE FORCED TO PAY FOR THEIR MISTAKES. EARLIER IN THE LIFE OF THIS RV THE REAR BRAKES LOCKED UP AND THE PADS DID INDEED CATCH ON FIRE BUT I WAS ABLE TO STOP AND EXTINGUISH THEM BEFORE THE VEHICLE WAS BURNED. I WOULD LIKE FOR WORKHORSE TO ACKNOWLEDGE THEIR PROBLEM AND REPAY ME THE $1,177.37 THAT I HAD TO PAY TO FIX THEIR PROBLEM. *TR

NHTSA ODI #10225459

3,000 miles · Apr 2, 2008
Service Brakes, Hydraulic

TL*THE CONTACT OWNS A 2003 WORKHORSE W22. THE CONTACT STATED THAT WHEN HE APPLIED THE BRAKES, THEY WOULD DRAG AFTER BEING RELEASED. THE FAILURE OCCURRED WHILE DRIVING 15 MPH. HE ALSO STATED THAT THE BRAKES WOULD SQUEAK AND GRIND AND BECAME WORN DUE TO RELEASING IMPROPERLY. WORKHORSE CONFIRMED THAT THE VIN WAS INCLUDED IN NHT…

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TL*THE CONTACT OWNS A 2003 WORKHORSE W22. THE CONTACT STATED THAT WHEN HE APPLIED THE BRAKES, THEY WOULD DRAG AFTER BEING RELEASED. THE FAILURE OCCURRED WHILE DRIVING 15 MPH. HE ALSO STATED THAT THE BRAKES WOULD SQUEAK AND GRIND AND BECAME WORN DUE TO RELEASING IMPROPERLY. WORKHORSE CONFIRMED THAT THE VIN WAS INCLUDED IN NHTSA CAMPAIGN ID NUMBER 04V084000 (SERVICE BRAKES, HYDRAULIC); HOWEVER, THEY WOULD NOT REPAIR THE VEHICLE. THE PURCHASE DATE, ENGINE SIZE, AND NUMBER OF CYLINDERS WERE UNKNOWN. THE CURRENT MILEAGE WAS 30,000 AND FAILURE MILEAGE WAS 3,000.

NHTSA ODI #10223172

32,000 miles · Mar 27, 2008
Service Brakes, Hydraulic

RAPID (EXCESSIVE) BRAKE PAD WEAR BY 32,000 MILES AND MOSTLY INTERSTATE DRIVING. EVIDENCE OF DRAGGING CALIPER AS SEEN BY THE UNEVEN OUTER PAD WEAR ON ALL FOUR WHEELS. OVERHEATING AND SURFACE CRACKING ON ROTORS. TOO FREQUENT ABS SENSOR REPLACEMENT. INSPECTION AT AUTHORIZED WORKHORSE SERVICE CENTER DISCOVERED ROTORS SEVERELY CRA…

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RAPID (EXCESSIVE) BRAKE PAD WEAR BY 32,000 MILES AND MOSTLY INTERSTATE DRIVING. EVIDENCE OF DRAGGING CALIPER AS SEEN BY THE UNEVEN OUTER PAD WEAR ON ALL FOUR WHEELS. OVERHEATING AND SURFACE CRACKING ON ROTORS. TOO FREQUENT ABS SENSOR REPLACEMENT. INSPECTION AT AUTHORIZED WORKHORSE SERVICE CENTER DISCOVERED ROTORS SEVERELY CRACKED THROUGH. GIVEN TYPE OF DRIVING AND LEVEL OF MOTOR HOME OWNER EXPERIENCE, BRAKE PARTS SHOULD BE EXPECTED TO WEAR EVENLY AND LAST CONSIDERABLY LONGER THEN MILEAGE POSTED ABOVE. GIVEN NUMBER OF INTERNET BASED SIMILAR COMPLAINTS, I BELIEVE ROOT CAUSE OF MALFUNCTION OF BRAKE SYSTEM WAS NOT IDENTIFIED AND ADDRESSED. CALIPERS SHOULD HAVE BEEN REPLACED AND WEREN'T. LOW MILEAGE OR LACK OF USAGE CANNOT BE ARGUED IN THIS CASE , AS WORKHORSE CONTENDS IS A MAJOR FACTOR. *TR

NHTSA ODI #10222484

36,862 miles · Feb 25, 2008
Service Brakes, Hydraulic

VEHICLE HAD BRAKE FAILURE 3 TIMES IN 36K MILES. ADDITIONALLY, AXLE SEALS HAVE BEEN REPLACED 3 TIMES DUE TO EXCESSIVE HEAT FROM BRAKES. BRAKES AND SEALS HAVE ALL BEEN REPLACED 3 TIMES. SPOKE TO WORKHORSE NUMEROUS TIMES, WAS TOLD THERE IS NO MAINTENANCE TO DO ON BRAKES, JUST HAVE THEM INSPECTED TWICE A YEAR, AND HAVE THEM REPLACED…

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VEHICLE HAD BRAKE FAILURE 3 TIMES IN 36K MILES. ADDITIONALLY, AXLE SEALS HAVE BEEN REPLACED 3 TIMES DUE TO EXCESSIVE HEAT FROM BRAKES. BRAKES AND SEALS HAVE ALL BEEN REPLACED 3 TIMES. SPOKE TO WORKHORSE NUMEROUS TIMES, WAS TOLD THERE IS NO MAINTENANCE TO DO ON BRAKES, JUST HAVE THEM INSPECTED TWICE A YEAR, AND HAVE THEM REPLACED IF STICKING, EVEN IF IT IS EVERY 10K MILES @ $2,000 PER REPAIR. *TR

NHTSA ODI #10219071

16,100 miles · Feb 7, 2008
Service Brakes, Hydraulic

RE: NHTSA ACTION NUMBER : EA07016 : --- WORKHORSE CUSTOM CHASSIS RECALL NUMBER 50401-C, NHTSA RECALL NOL 04V-084 FOR THE BOSCH ZOPS BRAKE PROBLEM WAS COMPLETED TO MY 2003 HOLIDAY RAMBLER VACATIONER, MODEL 36DBD MOTORHOME. - WHILE VACATIONING AND WITH JUST 2000 MILES +/- LATER MY RIGHT REAR BRAKES CALIPER LOCKED-UP, THE SM…

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RE: NHTSA ACTION NUMBER : EA07016 : --- WORKHORSE CUSTOM CHASSIS RECALL NUMBER 50401-C, NHTSA RECALL NOL 04V-084 FOR THE BOSCH ZOPS BRAKE PROBLEM WAS COMPLETED TO MY 2003 HOLIDAY RAMBLER VACATIONER, MODEL 36DBD MOTORHOME. - WHILE VACATIONING AND WITH JUST 2000 MILES +/- LATER MY RIGHT REAR BRAKES CALIPER LOCKED-UP, THE SMELL OF SMOKE CAME IN THE MOTORHOME AND THEN WHEN I WENT TO APPLY THE BRAKES, THEY WENT ALL THE WAY TO THE FLOOR. GOOD THING I WAS ABLE TO PULLED OVER ONTO THE SIDE OF THE HWY TO AVOID HAVING AN ACCIDENT. AFTER A WHILE WHEN THEY COOLED DOWN, I PUMPED THE BRAKES AND THEY SEEM TO BE WORKING OK. I WAS ABLE TO SLOWLY PROCEED TO MY CAMPGROUND. TOOK THE MOTORHOME TO AN AUTHORIZE WORKHORSE DEALER AND THEY REPLACE THE CALIPER ,PADS, SENSOR AND ROTOR. WORKHORSE DID COVERED THE EXPENSES FOR THIS REPAIRS. AT 11,000 MILES +/- LATER AFTER THE RECALL WORK WAS COMPLETED, THE RIGHT FRONT WHEEL SPEED SENSOR WENT BAD AND HAD TO BE REPLACED. NOW 18,000 MILES +/- LATER AFTER THE RECALL WAS COMPLETED, THE LEFT REAR BOSCH CALIPER HUNG-UP, OVERHEATED AND I HAD TO HAVE THE CALIPER, PADS, SENSOR AND ROTOR REPLACED. I THEN CONTACTED WORKHORSE CUSTOM CHASIS ABOUT REIMBURSING THE EXPENSES I INCURRED AND THEY DECLINED. - I'M VERY AFRAID THAT THE REMINDER OF THE ORIGINAL BOSCH CALIPERS COULD LOCK-UP, FAIL AND CAUSE ME TO HAVE AN ACCIDENT. ALL REPAIR WORK WAS DONE AT AN AUTHORIZE WORKHORSE CUSTOM CHASSIS SHOP. - PER THE VIN RECORDS THE LEFT WHEEL SPEED SENSOR WAS CHANGED OUT AT 42 MILES ON MOTORHOME-- PURCHASED MOTORHOME FROM PRIVATE OWNER - MILEAGE AT TIME OF PURCHASED: 13,700 - MOTORHOME MFG DATE: 8/02 - WORKHORSE CUSTOM CHASSIS MFG. DATE 6/02. *TR

NHTSA ODI #10217319

36,233 miles · Jan 11, 2008
Service Brakes, Hydraulic

2003 MONACO LAPALMA WITH 2003 WORKHORSE W22 CHASSIS. WITH DEFECTIVE FRONT ROTORS. CONSUMER STATES THAT THE RV BEGAN TO EXPERIENCE A VIBRATION. THE CONSUMER WAS INFORMED IT WAS BECAUSE THE ROTORS HAD EXCESSIVE HEAT WHICH CAUSED THEM TO CRACK. *KB UPDATED 03/16/10 *BF THE CONSUMER STATED THE HE EXPERIENCED WHAT WAS DESCRIB…

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2003 MONACO LAPALMA WITH 2003 WORKHORSE W22 CHASSIS. WITH DEFECTIVE FRONT ROTORS. CONSUMER STATES THAT THE RV BEGAN TO EXPERIENCE A VIBRATION. THE CONSUMER WAS INFORMED IT WAS BECAUSE THE ROTORS HAD EXCESSIVE HEAT WHICH CAUSED THEM TO CRACK. *KB UPDATED 03/16/10 *BF THE CONSUMER STATED THE HE EXPERIENCED WHAT WAS DESCRIBED IN THE RECALL THAT WAS ISSUED. *JB UPDATED 03/26/10.*JB WORKHORSE INFORMED THE CONSUMER HIS WARRANTY HAD EXPIRED PRIOR TO THE REPAIR FOR WHICH THE CONSUMER IS SEEKING REIMBURSEMENT. WORKHORSE FURTHER STATED THE RV WAS BUILT SEPTEMBER 3, 2002 WHICH MEANT HIS CHASSIS WAS NOT INCLUDED IN THE RECALL. UPDATED 04/20/10 THE CONSUMER ALSO STATED THE ABS SENSORS HAD TO BE REPLACED. UPDATED 07/28/10*JB

NHTSA ODI #10215027

19,500 miles · Sep 30, 2007
Service Brakes, Hydraulic

I HAVE THE SAME PROBLEM WITH MY 2003 WORKHORSE CUSTOM CHASSIS MOTORHOME AS INFORMATION IN NHTSA ACTION NUMBER PE07032. *TR

NHTSA ODI #10204502

1,550 miles · Sep 27, 2007
EquipmentService Brakes, HydraulicSteering

I HAVE A WORKHORSE CHASSIS WITH A BRAKE PROBLEM. SOUNDS LIKE ACTION # PEO732. I NOTICED DURING A TRIP TO FLORIDA IN APRIL THAT THE BRAKES SMELLED HOT AT THE REAR OF MOTORHOME DURING REFUELING. DURING MY TRIP TO SALT LAKE CITY AUGUST 1ST, 2007. MY BRAKE PEDAL WOULD GO TO THE FLOOR AND NOT COME BACK UP OR RELEASE THE BRAKES, I…

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I HAVE A WORKHORSE CHASSIS WITH A BRAKE PROBLEM. SOUNDS LIKE ACTION # PEO732. I NOTICED DURING A TRIP TO FLORIDA IN APRIL THAT THE BRAKES SMELLED HOT AT THE REAR OF MOTORHOME DURING REFUELING. DURING MY TRIP TO SALT LAKE CITY AUGUST 1ST, 2007. MY BRAKE PEDAL WOULD GO TO THE FLOOR AND NOT COME BACK UP OR RELEASE THE BRAKES, I USED MY TOES TO BRING PEDAL BACK UP. IN UTAH I HAD A DIAGNOSTIC CENTER LOOK AT THE PROBLEM, THEY DETERMINED IT TO BE A BAD BOOSTER PUMP. THEY REPLACED THE PUMP AND PEDAL WOULD COME BACK UP AND RELEASE THE BRAKES, BUT STILL HAD A SOFT PEDAL. WHEN I GOT HOME (ARLINGTON TEXAS) BRAKES WERE NOT RELEASING PROPERLY. I CALLED WORKHORSE AND THEY TOLD ME WHERE TO TAKE THE MOTOR HOME FOR SERVICE. MOTOR HOME HAS BEEN IN THE SHOP FOR OVER 30 DAYS, THEY HAVE REPLACED THE POWER STEERING GEAR BOX, AND THE BOOSTER PUMP AGAIN. THEY TOLD ME THE MOTOR HOME WAS READY, NOTHING UNDER WARRANTY, I PAID THEM $4,558.85. WHEN I GOT IN THE MOTOR HOME THE BRAKE PEDAL WENT TO THE FLOOR, ALSO WOULD NOT START, WHICH WAS PROBABLY THE PEDAL NOT COMMING BACK UP AND LEAVING THE BRAKE LIGHTS ON. TECHNICIANS ARE BLEEDING THE BRAKES AND CHECKING IT OUT AGAIN. SEEMS WORKHORSE IS NO HELP IN RESOLVING THE PROBLEM. I AM NOW OUT THE $4,558.85 AT SOUTHWESET INTERNATIONAL TRUCKS HERE IN ARLINGTON TEXAS PLUS $1,089.25 FOR WORK ON BRAKES IN UTAH. AND I STILL DON'T HAVE A DRIVABLE MOTOR HOME. *TR

NHTSA ODI #10204241

14,376 miles · Sep 20, 2007
Service Brakes, Hydraulic

ABS, HYDRAULIC, CALIPER, ROTOR AND ALL BRAKE COMPONENTS. *TR

NHTSA ODI #10203588

31,836 miles · Sep 18, 2007
Service Brakes, Hydraulic

FRONT BRAKE FAILURE ON W22 RV CHASSIS, HAVE BEEN INFORMED THAT ALL 4 BRAKES NEED TO BE REPLACED AT 32,000 MILES. *TR

NHTSA ODI #10203394

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.