2004 Monaco Coach Diplomat

Routine

Owners filed 4 complaints about this vehicle with federal regulators, most often about the visibility › defroster/defogger/hvac system › heater core. It has been recalled 1 time.

What fails
ComponentReportsCrashesFiresInjuries
Visibility › Defroster/Defogger/Hvac System › Heater Core2
000
Structure1
000
Equipment1
000

1 safety recall

Part 573 reports
Engine and Engine Cooling › Engine › Diesel04V441000
Filed Sep 13, 20041,189 vehiclesMonaco Coach Corporation

Defect. ON CERTAIN MOTORHOMES EQUIPPED WITH CUMMINS ENGINES, OIL CAN LEAK INTO THE ENGINE COMPARTMENT FROM A CRACK IN THE CUP PLUG.

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.

What owners reported

Newest filings
Structure
Filed Oct 18, 2005806 milesAL

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
Filed Jun 5, 20055,152 milesTX

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
Filed May 26, 20052,301 milesTX

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.

Equipment
Filed Mar 25, 2005AL

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

4 of 4 complaints, reproduced as filed.

Across model years

Worst on record: 2000
YearComplaintsRecallsFiresDeathsAssessment
20111410Routine
20101510Routine
20091110Routine
20082200Routine
20071300Routine
20064300Routine
20051210Routine
2004 — this page4100Routine
20022100Routine
20016401Fatalities reported
200014210Routine
199910300Routine
19981300Routine

Compare every Diplomat year →

Reading this record

No unusual pattern of severe incidents in the complaint record.

Complaint counts track how many cars were sold and how long they have been on the road as much as they track quality. A common model from 2013 has had a decade to accumulate reports; a rare one from last year has not. The signal worth weighing is in the severity columns, in whether the same component keeps appearing, and in whether the manufacturer eventually opened a recall for it.

Recall repairs are free for as long as the recall stands. Check whether a specific car still has open work at NHTSA's VIN lookup.

Most recent recall on file: Sep 13, 2004. Source: NHTSA Office of Defects Investigation.