1998 Monaco Coach Diplomat
Only 1 complaint on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 1 complaint on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 1998 | 1 |
| 1999 | 10 |
| 2000 | 14 |
| 2001 | 6 |
| 2002 | 2 |
| 2004 | 4 |
| 2005 | 1 |
| 2006 | 4 |
| 2007 | 1 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
KNOWN PROBLEM AREAS
Only 1 complaint on file for this model year -- too few to rank by share. Raw counts only, below.
1 of 1 total report mentions: visibility.
Show complaint excerpts
CONSUMER 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
NHTSA ODI report, 20020523
SAFETY TIMELINE
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 POSITI
Remedy: DEALERS WILL INSTALL AN ADDITIONAL BRACE UNDER THE FUEL TANK.
Campaign 98V232000 — check if this car was fixed
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 FRO
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 D
Campaign 03V102000 — check if this car was fixed
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...
Remedy: NORCOLD WILL NOTIFY ITS CUSTOMERS AND PROVIDE A REPLACEMENT COOLING UNIT FREE OF CHARGE.
Campaign 03V166000 — check if this car was fixed
BUY-SMART CHECKLIST
1998 Monaco Coach Diplomat — pre-purchase inspection
- Test/inspect for visibility issues (1 reports on file for this year).
- Verify recall 03V166000 (equipment) has been completed.
- Verify recall 98V232000 (fuel system, gasoline) has been completed.
- Verify recall 03V102000 (equipment) has been completed.
FAQ
Is the 1998 Monaco Coach Diplomat reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 1998 Monaco Coach Diplomat?
The most-reported component is visibility:windshield, accounting for 100% of complaints on file.
How many recalls does the 1998 Monaco Coach Diplomat have?
3 recalls on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.