IllustrationCONSUMER STATES THE WINDSHEILD WENT OFF TRACK AND LEFT A LARGE OPENNING IN THE WINDSHEILD. TOOK TO DEALERSHIP TO HAVE WINDSHEILD RE-SET, PROBLEM HAPPENED AGAIN.*JB
1998 Monaco Coach Diplomat
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Diplomat years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 1 reports include usable mileage. There isn’t enough coverage to show a useful chart.
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.
- Visibility. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
What owners actually said
1 reportsOfficial recalls
303V166000 · Equipment:recreational Vehicle/trailer
May 8, 2003
ON CERTAIN MOTORHOMES, FIFTH WHEELS AND TRAVEL TRAILERS EQUIPPED WITH NORCOLD REFRIGERATOR COOLING UNITS MODEL NUMBERS 1200LR AND 1200RIM, THESE REFRIGERATORS CAN EXPERIENCE LOW CYCLE FATIGUE FAILURE WHICH CAN LEAD TO THE LIQUID SOLUTION SLOWLY LEAKING FROM THE SEALED, PRESSURIZED COOLING UNIT THROUGH A SMALL CRACK.
Consequence & remedy
Consequence: IF A LEAK OCCURS AND THE UNIT IS CONTINUALLY OPERATED, HYDROGEN GAS MAY BE EXPELLED AND CAN BE IGNITED, RESULTING IN A FIRE, POSSIBLY CAUSING SERIOUS INJURY OR DEATH.
Remedy: NORCOLD WILL NOTIFY ITS CUSTOMERS AND PROVIDE A REPLACEMENT COOLING UNIT FREE OF CHARGE. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT NORCOLD SERVICE CENTER AT 1-800-667-3005 OR MONACO AT 574-862-7211.
03V102000 · Equipment:other:labels
Mar 17, 2003
ON CERTAIN MOTOR HOMES, THE PSI RECORDED ON THE FEDERAL CERTIFICATION LABEL IS INCORRECT. THE INITIAL LABEL SHOWS PSI AS 90 LBS FRONT AND 100 REAR. THE CORRECT INFORMATION SHOULD BE A PSI OF 105 FRONT AND 115 REAR.
Consequence & remedy
Consequence: THESE VEHICLES DO NOT COMPLY WITH THE REGULATIONS.
Remedy: DEALERS WILL INSTALL A CORRECTED LABEL ON THESE MOTOR HOMES. OWNER NOTIFICATION BEGAN ON APRIL 28, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE LABEL WITHIN A REASONABLE TIME SHOULD CONTACT MONACO AT 1-877-466-8226.
98V232000 · Fuel System, Gasoline:storage:tank Assembly:mounting
Sep 18, 1998
VEHICLE DESCRIPTION: MOTOR HOMES BUILT ON A ROADMASTER CHASSIS. INADEQUATE BRACING WAS USED TO SECURE THE FUEL TANK. THE BRACE COULD FAIL ALLOWING ONE END OF THE FUEL TANK TO LOOSEN FROM ITS POSITION AND HANG LOWER THAN THE OTHER END.
Consequence & remedy
Consequence: THE FUEL TANK COULD EVENTUALLY SEPARATE FROM THE VEHICLE AND DROP TO THE GROUND, INCREASING THE RISK OF PERSONAL INJURY OR A VEHICLE CRASH.
Remedy: DEALERS WILL INSTALL AN ADDITIONAL BRACE UNDER THE FUEL TANK.
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
0No exact-year investigations in this snapshot.