2001 Monaco Coach Diplomat Le 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 2001 Monaco Coach Diplomat Le, 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
- Steering360.0%
- Other / unspecified120.0%
- Suspension120.0%
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
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
3RD UPDATE TO OD ID #8005766. THE GOODYEAR PRODUCT SERVICE BULLETIN (PSB 2002-20), DATED JULY 10, 2002, WAS FOR THE 1999-2001 40 FT. MONACO WINDSOR MOTOR HOME WITH 275/70R22.5 LR H TIRES. OUR 2001 40 FT. DIPLOMATE LE HAS THE SAME TIRES AND WEIGHS APPROXIMATELY THE SAME. THE WHEELBASE ON THE 40 FT. WINDSOR IS 270 INCHES, THE WHEELBASE ON THE DIPLOMAT LE IS 256 INCHES, WHICH MAKES IT 12 INCHES SHORTER THAN THE WINDSOR AND WITH MORE WEIGHT TO THE REAR OF THE MOTOR HOME, WHICH COLD BE ONE OF THE CAUSES OF THE STEERING PROBLEM. I TALKED WITH AN ENGINEER FROM GOODYEAR AND HE SAID OUR MOTOR HOME, WITH 125 LBS. OF AIR IN THE TIRES AND RUNNING AT FREEWAY SPEEDS IN 90+ DEGREE WEATHER, WOULD BE COMPARABLE TO THE "FIRESTONE FORD ROLLOVER" PROBLEM, WITH THIS SIZE TIRE AND AIR PRESSURE. (HE ALSO INDICATED HE WOULD HAVE TO DENY THIS SHOULD HE BE ASKED BY ANY SAFETY AGENCY). GOODYEAR DOES HAVE A TIRE WHICH IS A SIZE BETWEEN WHAT WE CURRENTLY HAVE AND WHAT THEY ARE PUTTING ON THE WINDSOR (WHICH IS TOO LARGE FOR OUR MOTOR HOME). I TALKED WITH AN ENGINEER FROM MICHELIN AND HE SAID THE MICHELIN 275/80R22X2A2 WOULD BE A LOT SAFER TIRE ON THE VEHICLE. THAT TIRE IS 41 INCHES IN DIAMETER AS COMPARED TO OUR 37 INCHES IN DIAMETER, AND WOULD CAUSE THE VEHICLE TO STEER BETTER. WE'VE MET A LOT OF PEOPLE AT MONACO RALLYS WHO HAVE HAD SIMILAR PROBLEMS WITH STEERING AND TIRES, BUT THEY SAID MONACO TOLD THEM IF THEY REPORTED ANY PROBLEMS TO THE GOVERNMENT, THEY WOULD NO LONGER TRY TO HELP THEM. WEIGHT & MEASUREMENT CHARTS FOR MONACO COACHES CAN BE FOUND AT HTTP://WWW.MONACOCOACH.COM. MONACO ONLY MADE THE DIPLOMAT LE IN 2001 AND 2002 AND THEN STOPPED. WE FEEL THIS HAD TO DO WITH THE POOR QUALITY OF THE PRODUCT ALTHOUGH THEY DENY THIS.
2ND UPDATE TO OD ID 8005766. THE GOODYEAR TIRE REPLACEMENT, WE ARE TOLD, WAS NOT A RECALL AND DID NOT INCLUDE OUR COACH. HOWEVER, WE FEEL BECAUSE THE TIRE SIZES BEING REPLACED WERE THE SAME AS OURS, WE SHOULD BE INCLUDED. MONACO STATES THEY DID NOT TELL GOODYEAR NOT TO REPLACE THE TIRES, GOODYEAR CHOSE NOT TO PUT LARGER TIRES ON. WE HAVE ALSO SOUGHT TO HAVE THE MONROE SHOCKS REPLACED AND WERE TOLD BY MONROE THAT ROADMASTER WOULD HAVE TO TAKE THEM OFF AND SEND THEM BACK; HOWEVER, BECAUSE OF THE LEGAL DISPUTE, ROADMASTER WILL NOT DO THIS. THE SHOCKS ARE UNDER WARRANTY. WE ARE STILL BEING TOLD TO CONTACT A MONROE DEALER. HOWEVER, WE STILL FEEL THAT BECAUSE MONACO HAS BEEN AWARE OF THIS PROBLEM WITH THE STEERING SINCE WE'VE HAD THE MOTOR HOME, THEY SHOULD BE MORE COOPERATIVE WHEN OUTSIDE AGENCIES TRY TO ASSIST US. WE FEEL THE MOTOR HOME IS NOT SAFE TO DRIVE BECAUSE OF THE STEERING.
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
TL*THE CONTACT OWNS A 2001 MONACO DIPLOMAT LE. THE CONTACT STATED THAT HIS REFRIGERATOR FAILED TO WORK. HE CALLED A LOCAL TECHNICIAN TO COME OUT AND INSPECT THE VEHICLE AND WAS INFORMED THAT THERE WAS A COOLANT LEAK. THE TECHNICIAN STATED THAT THE FAILURE COULD BE REPAIRED OR THE CONTACT COULD PURCHASE A NEW UNIT. THE CONTACT CHOSE TO PURCHASE A NEW UNIT; HOWEVER, THE OLD UNIT WAS NOT REMOVED BECAUSE IT WAS INOPERABLE. ON APRIL 9, 2008, THE CONTACT HEARD A LOUD EXPLOSION FOLLOWED BY A HISSING SOUND AND A STRONG AMMONIA ODOR. HIS GRANDSON NOTICED A FIRE IN THE AREA OF THE REFRIGERATOR. THE FIRE DEPARTMENT ARRIVED AND INFORMED THE CONTACT AND HIS FAMILY THAT THEY COULD NOT STAY IN THE VEHICLE BECAUSE OF THE FUMES. A POLICE REPORT WAS FILED. MONACO STATED THAT THEY WERE NOT RESPONSIBLE FOR ANY OF THE DAMAGE. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN ID NUMBER 08E030000 (EQUIPMENT), BUT HIS UNIT WAS IDENTIFIED AS ONE OF THE DEFECTED UNITS. THE FAILURE AND CURRENT MILEAGES WERE 31,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
VEHICLE HAS HAD APPROXIMATELY 12 ALIGNMENTS, WANDERS ALL OVER THE ROAD AND IS DIFFICULT TO CONTROL. MANUFACTURER HAS NO REMEDY.*AK *MR
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 .