2004 Monaco Coach Diplomat
Safety record from NHTSA: recalls, owner complaints, investigations and service bulletins.
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Vehicles › Monaco Coach › Diplomat › 2004
These records cover every 2004 Monaco Coach Diplomat. To see whether one car still needs a recall repair, decode its VIN or check it with NHTSA.
Recalls
1 recall names the 2004 Monaco Coach Diplomat. Newest first.
On certain motorhomes equipped with cummins engines, oil can leak into the engine compartment from a crack in the cup plug.
Risk and remedy
Risk
Oil leakage on a hot engine can result in an engine compartment fire, possibly resulting in injuries.
Remedy
Cummins IS conducting the owner notification and remedy for this campaign. cummins will install a steel cup plug boss cap to all affected engines. owners should contact cummins customer assistance center at 1-800-343-7357 or monaco at 1-800-685-6545.
Owner complaints
4 complaints
What owners report most
Latest complaints
- Electrical system · Equipment · Service brakes, hydraulic · Structure
Diplomat 40pdq 2004 motor home, the slide was off center and strips were not lined up properly. *bf the slide rides to high and causes so much wind noise that the consumer was unable to hear outside traffic. a gap under the window allowed water to coming into the coach. the captain driver seat…
Diplomat 40pdq 2004 motor home, the slide was off center and strips were not lined up properly. *bf the slide rides to high and causes so much wind noise that the consumer was unable to hear outside traffic. a gap under the window allowed water to coming into the coach. the captain driver seat started coming apart at the pedestal. when applying the brakes smoke billowed from the rear passenger's side wheel. the air conditioner/heat pump kicked the circuit breaker. the windshield leaked in the center onto the dash. cb ground problem. the washer and drying did not work properly. the holding tank would not register properly. many attempts have been made to repair the coach but none have been successful. the consumer would like a full refund of all money plus attorney fees or a new coach. nm
- Electrical system · Seats › Front assembly › Recliner · Service brakes, hydraulic · Structure
Dt: the caller has a problem with the front roadside slide on the motor home. They had it in for repair 8 different times, and it still IS not fixed. To date the roadside slide IS unstable. The slide IS off center, and a person can put their hand in the bottom opening to the side. Therefore, the…
Dt: the caller has a problem with the front roadside slide on the motor home. They had it in for repair 8 different times, and it still IS not fixed. To date the roadside slide IS unstable. The slide IS off center, and a person can put their hand in the bottom opening to the side. Therefore, the slide rides too high and causes a loud wind noise, a person IS unable to hear the traffic, and this causes distraction for the driver. Also, fear of turning a corner and causing an accident. The captain's driver seat IS wobbling at the pedestal, the caller IS afraid the seat will fall off. When applying the brakes the right rear smokes and bellows out around the wheel. This motor home gcwr IS 39,300 pounds. This IS the reason why this motor home IS unsafe. Different dealers have tried to fix the roadside slide, but no one has been able to do so. manufacturer offered them another motor home if she paid the difference. They offered them $5000.00 to bring it to elkhart, indiana for repairs. the caller has had it there two other times for the same problem. The caller said the work was poorly done under the warranty. Caller believes this IS a manufacturer's defect. The caller has had numerous electrical problems with motor home.*ak *jb
- Visibility › Defroster/defogger/hvac system › Heater core
Defroster not working windshieldd iced over when driving from snow. When stoped defroster will output enough heat to melt ice. Heater defroster IS sub standard insufficient hot water flow from rear mounted diesel engine to heater core about 37FT.
- Visibility › Defroster/defogger/hvac system › Heater core
Defroster not working windshield iced over when driving from snow and freezing rain.when stoped defroster will output enough heat to melt ice. Heater defroster IS sub standard.
Every Monaco Coach Diplomat model year
Bars are owner complaints, dots mark years with recalls. Select a year to open its report.