1999 Monaco Coach Diplomat 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 1999 Monaco Coach Diplomat, 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
- Visibility320.0%
- Fuel system320.0%
- Other / unspecified213.3%
- Brakes213.3%
- Tires & wheels213.3%
- Powertrain (other)16.7%
- Electrical16.7%
- Body & structure16.7%
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
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
WINDSHIELD HAS POOR VISIBILTY. DEALER HAS BEEN CONTACTED FOR PROBLEM, AND LABELED IT UNSAFE. PLEASE PROVIDE FURTHER DETAILS.*AK
WINDSHIELD POPPING OUT AND RESULTING IN LEAKAGE, FIXED PROBLEM HOWEVER CONTINUED TO FAIL. MJS
Too few reports in this category for a page of its own — they appear in the full complaint list.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
FUEL TANK LEAK. *JB
WHILE DRIVING FUEL WAS LEAKING FROM THE VEHICLE, IT WAS LEAKING ONTO ONCOMING TRAFFIC. CONTACTED DEALER ,AND DEALER REPLACED FUEL TANK. FUEL TANK HAS BEEN REPLACED TWICE ALREADY. *AK
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
RECALL RECEIVED FOR THE WRONG PSI ON THE ORIGINAL TAG FOR TIRE EQUIPMENT/ VEHICLE SUFFERED TIRE BLOWOUT.*MR THE CONSUMER RECEIVED RECALL 03V386000 WHICH INDICATED THAT THE WRONG PSI WAS PUT ON THE ORIGINAL ID TAG. THE CONSUMER CONTACTED THE LOCAL DEALER BUT THEY REFUSED TO HANDLE THE RECALL BECAUSE THE VEHICLE WASN'T PURCHASED THERE. AFTER RECEIVING THE RECALL NOTICE THE CONSUMER'S RV HAD A SUDDEN BLOWOUT ON THE RIGHT REAR TIRE. THE MANUFACTURER WAS CONTACTED AND INFORMED THE CONSUMER THAT HAVING THE TIRE PRESSURE AT THE RECOMMENDED PRESSURE DID NOT CAUSE THE BLOWOUT ALTHOUGH THAT'S NOT WHAT THE RECALL STATED. *NM
WINDSHIELD POPPING OUT AND RESULTING IN LEAKAGE, FIXED PROBLEM HOWEVER CONTINUED TO FAIL. MJS
Too few reports in this category for a page of its own — they appear in the full complaint list.
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
WHILE DRIVING 65 MPH, THE AIR DRYER ON THE AIR BRAKES HAD BLOWN APART WHICH CAUSED THE BRAKES TO LOSE POWER. THE DRIVER WAS ABLE TO AVOID A COLLISION AND THE MOTOR HOME WAS TOWED TO THE RESIDENCE. *AK *SCC *JB
WHILE DRIVING FRONT END SHAKES, PULLS TO RIGHT AND IT IS DIFFICULT TO STOP SAFELY. ALSO, BRAKES MAKE A LOUD KNOCKING NOISE, AND A SEVERE SHAKE. *AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
RECALL RECEIVED FOR THE WRONG PSI ON THE ORIGINAL TAG FOR TIRE EQUIPMENT/ VEHICLE SUFFERED TIRE BLOWOUT.*MR THE CONSUMER RECEIVED RECALL 03V386000 WHICH INDICATED THAT THE WRONG PSI WAS PUT ON THE ORIGINAL ID TAG. THE CONSUMER CONTACTED THE LOCAL DEALER BUT THEY REFUSED TO HANDLE THE RECALL BECAUSE THE VEHICLE WASN'T PURCHASED THERE. AFTER RECEIVING THE RECALL NOTICE THE CONSUMER'S RV HAD A SUDDEN BLOWOUT ON THE RIGHT REAR TIRE. THE MANUFACTURER WAS CONTACTED AND INFORMED THE CONSUMER THAT HAVING THE TIRE PRESSURE AT THE RECOMMENDED PRESSURE DID NOT CAUSE THE BLOWOUT ALTHOUGH THAT'S NOT WHAT THE RECALL STATED. *NM
CONSUMER STATES THAT TIRE IS HAVING BAD RIVETING PROBLEMS, WHILE DRIVING TIRE EXPERIENCED A BLOWOUT, ALMOST CAUSING CONSUMER TO LOSE CONTROL, THE TIRE ALSO BLEWOUT LEFT FRONT AIR BAG AND DAMAGED THE VEHICLE, GOODYEAR G159, 225/70R22.5, DOT MC55. *SLC
Too few reports in this category for a page of its own — they appear in the full complaint list.
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
WINDSHIELD POPPING OUT AND RESULTING IN LEAKAGE, FIXED PROBLEM HOWEVER CONTINUED TO FAIL. MJS
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
WINDSHIELD POPPING OUT AND RESULTING IN LEAKAGE, FIXED PROBLEM HOWEVER CONTINUED TO FAIL. MJS
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
WINDSHIELD POPPING OUT AND RESULTING IN LEAKAGE, FIXED PROBLEM HOWEVER CONTINUED TO FAIL. MJS
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 .