2004 Workhorse W20 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2004 Workhorse W20, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Brakes666.7%
- Electrical111.1%
- Other / unspecified111.1%
- Visibility111.1%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
WHILE DRIVING ON US441 NEAR TAVARES FL GOT A WARNING LIGHT FOR ANTI LOCK BRAKES. PULLED OVER INTO A SHOPPING AREA. LEFT FRONT WHEEL AND RIGHT REAR DUAL WHEEL WERE HOT. RESTARTED ENGINE GOT A BRAKE FAILURE WARNING ON DASH MESSAGE CENTER. LET BRAKES COOL FOR APPROXIMATELY 90 MINUTES. DROVE HOME THEN TO WORKHORSE REPAIR CENTER WITHOUT FURTHER TROUBLE. COURTESY CHEVROLET REPLACED 4 ROTORS 4 CALIPERS 2 ANTI LOCK SENSOR AND REPLACED BRAKE FLUID. *TR
ON 9/6/07, THE L.F. BRAKE ON MY MOTORHOME SEIZED UP AND OVERHEATED THE BRAKE ROTOR FOR ALMOST 10 MILES UNTIL I NOTICED SEVERE SHAKING IN THE STEERING WHEEL & SMELLED "BURNT BRAKE LINING" WHEN I STOPPED. I WAS DRIVING IN NORMAL CITY TRAFFIC NEAR ALLIANCE, OHIO; -NOT EXCESSIVE STOP AND GO, BUT THERE WAS MAYBE 4 RED LIGHTS OVER THE COURSE OF 3 MILES DISTANCE (AT 30 MPH) TO STOP. MY STOPPING WAS "NORMAL", NOT SUDDEN OR ERRATIC. THE LEFT FRONT HUB & WHEEL GOT SO HOT FROM THE CALIPER/BRAKE ASSY. SEIZING THAT IT BOILED AWAY ALL OF THE 90W LUBE ON THE WHEEL BEARINGS AND BLEW OUT THE RUBBER PLUG ON THE LUBE SIGHT GLASS. I LET IT COOL DOWN FOR AN HOUR, THEN LOOKED AT THE INNER SIDE OF THE L.F. WHEEL TO SEE IF I'D HAVE TO LOOSEN/PRY AWAY THE SEIZED BRAKE PAD OR CALIPER ASSEMBLY. SURPRISE, THE BRAKE PADS WERE ALREADY SITTING BACK AWAY FROM THE ROTOR; -THE CALIPER HAD APPARENTLY RETRACTED BY ITSELF AFTER COOLING DOWN. I PROCEEDED SLOWLY TO THE CAMPGROUND, 5 MILES AWAY, AND MADE ARRANGEMENTS TO GET SOME 90W LUBE OIL. LUBE WAS REPLACED THE NEXT DAY AND THE WHEEL BEARINGS STILL FELT GOOD; ANOTHER SIGHT CAP SEAL WAS INSTALLED. ON 9/12/07, I TOOK THE COACH TO MAINLINE TRUCK & TRAILER (A WORKHORSE CHASSIS SERVICE DEALER) IN SOLON, OHIO, FOR SERVICE. IN A NUTSHELL, I ENDED UP PAYING $828.28 TO REPAIR THE DAMAGE AND SERVICE MY COACH FOR FUTURE "PEACE OF MIND". THE FOLLOWING WORK WAS PERFORMED: SERVICED ALL CALIPER SLIDE PINS, LUBE, & BOOTS ON ALL 4 WHEELS; CONFIRM CORRECT CALIPER OPERATION ON ALL 4; REPLACE ABS WHEEL SENSOR ON LEFT FRONT; RESET ABS WARNING LIGHT; INSPECT ALL 4 ROTORS FOR CRACKS; REPLACE LF WHEEL BEARING INNER SEAL; INSPECT LF BEARINGS; INSPECT REAR AXLE HUB SEALS; ETC. ON 9/18/08, AT 11,891 MILES, MY RIGHT FRONT BRAKE SEIZED UP UNEXPECTEDLY! THIS TIME ALONG A 45 MPH STATE HWY WITH VERY INFREQUENT BRAKING. I BELIEVE THE PROBLEM HERE IS FAULTY ABS CONTROLLER AND OR THE BOSCH BRAKES. THEY DO NOT ALWAYS RELEASE THE CALIPERS. WORKHORSE IGNORES THIS PROBLEM! *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
WE DO NOT FEEL THAT THE INSTRUMENT PANEL CLUSTER ON OUR MOTORHOME HAS EVER BEEN LARGE ENOUGH OR CLEAR ENOUGH FOR EASY READING. WE HAVE ALWAYS BEEN UNHAPPY WITH THE VISIBILITY AND JUST RECENTLY THE TRANSMISSION INDICATORS FOR 3 AND 1 GEAR HAVE FADED COMPLETELY. AT PRESENT WE HAVE AN APPOINTMENT TO GET THE PANEL REPLACED. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Other / unspecified
Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.
From owner reports, verbatim
ON 9/6/07, THE L.F. BRAKE ON MY MOTORHOME SEIZED UP AND OVERHEATED THE BRAKE ROTOR FOR ALMOST 10 MILES UNTIL I NOTICED SEVERE SHAKING IN THE STEERING WHEEL & SMELLED "BURNT BRAKE LINING" WHEN I STOPPED. I WAS DRIVING IN NORMAL CITY TRAFFIC NEAR ALLIANCE, OHIO; -NOT EXCESSIVE STOP AND GO, BUT THERE WAS MAYBE 4 RED LIGHTS OVER THE COURSE OF 3 MILES DISTANCE (AT 30 MPH) TO STOP. MY STOPPING WAS "NORMAL", NOT SUDDEN OR ERRATIC. THE LEFT FRONT HUB & WHEEL GOT SO HOT FROM THE CALIPER/BRAKE ASSY. SEIZING THAT IT BOILED AWAY ALL OF THE 90W LUBE ON THE WHEEL BEARINGS AND BLEW OUT THE RUBBER PLUG ON THE LUBE SIGHT GLASS. I LET IT COOL DOWN FOR AN HOUR, THEN LOOKED AT THE INNER SIDE OF THE L.F. WHEEL TO SEE IF I'D HAVE TO LOOSEN/PRY AWAY THE SEIZED BRAKE PAD OR CALIPER ASSEMBLY. SURPRISE, THE BRAKE PADS WERE ALREADY SITTING BACK AWAY FROM THE ROTOR; -THE CALIPER HAD APPARENTLY RETRACTED BY ITSELF AFTER COOLING DOWN. I PROCEEDED SLOWLY TO THE CAMPGROUND, 5 MILES AWAY, AND MADE ARRANGEMENTS TO GET SOME 90W LUBE OIL. LUBE WAS REPLACED THE NEXT DAY AND THE WHEEL BEARINGS STILL FELT GOOD; ANOTHER SIGHT CAP SEAL WAS INSTALLED. ON 9/12/07, I TOOK THE COACH TO MAINLINE TRUCK & TRAILER (A WORKHORSE CHASSIS SERVICE DEALER) IN SOLON, OHIO, FOR SERVICE. IN A NUTSHELL, I ENDED UP PAYING $828.28 TO REPAIR THE DAMAGE AND SERVICE MY COACH FOR FUTURE "PEACE OF MIND". THE FOLLOWING WORK WAS PERFORMED: SERVICED ALL CALIPER SLIDE PINS, LUBE, & BOOTS ON ALL 4 WHEELS; CONFIRM CORRECT CALIPER OPERATION ON ALL 4; REPLACE ABS WHEEL SENSOR ON LEFT FRONT; RESET ABS WARNING LIGHT; INSPECT ALL 4 ROTORS FOR CRACKS; REPLACE LF WHEEL BEARING INNER SEAL; INSPECT LF BEARINGS; INSPECT REAR AXLE HUB SEALS; ETC. ON 9/18/08, AT 11,891 MILES, MY RIGHT FRONT BRAKE SEIZED UP UNEXPECTEDLY! THIS TIME ALONG A 45 MPH STATE HWY WITH VERY INFREQUENT BRAKING. I BELIEVE THE PROBLEM HERE IS FAULTY ABS CONTROLLER AND OR THE BOSCH BRAKES. THEY DO NOT ALWAYS RELEASE THE CALIPERS. WORKHORSE IGNORES THIS PROBLEM! *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
WE DO NOT FEEL THAT THE INSTRUMENT PANEL CLUSTER ON OUR MOTORHOME HAS EVER BEEN LARGE ENOUGH OR CLEAR ENOUGH FOR EASY READING. WE HAVE ALWAYS BEEN UNHAPPY WITH THE VISIBILITY AND JUST RECENTLY THE TRANSMISSION INDICATORS FOR 3 AND 1 GEAR HAVE FADED COMPLETELY. AT PRESENT WE HAVE AN APPOINTMENT TO GET THE PANEL REPLACED. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .