2007 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
MONACO RECALL CAMPAIGN NO. 08V070000 MONACO FILE R08005 AM EQUIPMENT WIPER SYSTEM RECALL. *TR I HAD THE RECALL REPAIRS DONE AT LIGHTNIN RV IN LAWRENCEVILLE GA 770-963-9889 THE REPAIRS WERE DONE 2ND WEEK IN APRIL.
NHTSA ODI report, 20080630
SAFETY TIMELINE
ON CERTAIN MOTOR HOMES BUILT WITH CUMMINS ISL CM850 DIESEL ENGINES, THE CONNECTING ROD CONTAINS A MACHINING DEFECT IN THE WRIST PIN BUSHING OF THE ROD THAT COULD CAUSE A SEIZURE OF THE PISTON PIN.
Remedy: MONACO IS WORKING WITH CUMMINS TO RECALIBRATE THE ENGINE CONTROL MODULE AND ENHANCE THE ENGINE PROTECTION SYSTEM ENABLING IT TO PROVIDE EARLY DETECTION OF THE FAILURE MODE AND AVOID MORE SERIOUS ENGIN
Campaign 07V311000 — check if this car was fixed
ON CERTAIN MOTOR HOMES EQUIPPED WITH ATWOOD SEALED BURNER RANGES, THE RANGE AND SLIDE-IN BURNER TUBES LEADING FROM THE GAS MANIFOLD TO THE BURNER HEADS HAD A DEPRESSION OR 'KINK' IN THE EXTERIOR BEND
Remedy: MONACO IS WORKING WITH ATWOOD TO HAVE THE TUBES REPLACED ON THESE RANGES. THE RECALL BEGAN ON DECEMBER 14, 2007. OWNERS MAY CONTACT ATWOOD AT 1-800-348-7418 OR MONACO AT 1-800-685-6545.
Campaign 07V404000 — check if this car was fixed
MONACO IS RECALLING 1,733 MY 2006-2007 DIPLOMAT AND HOLIDAY RAMBLER ENDEAVOR MOTOR HOMES EQUIPPED WITH WIPER SYSTEMS SUPPLIED BY AM EQUIPMENT. THE DRIVE MOTOR LINK BECOMES DISENGAGED DURING OPERATION
Remedy: MONACO WILL REPLACE THE COMPLETE UNDER-THE-HOOD WIPER SYSTEM WITH A NEW MODEL, REUSING THE WIPER ARM AND BLADES. THE RECALL BEGAN ON MARCH 11, 2008. OWNERS MAY CONTACT MONACO AT 1-800-685-6545.
Campaign 08V070000 — check if this car was fixed
BUY-SMART CHECKLIST
2007 Monaco Coach Diplomat — pre-purchase inspection
- Test/inspect for visibility issues (1 reports on file for this year).
- Verify recall 07V311000 (engine and engine cooling) has been completed.
- Verify recall 07V404000 (equipment) has been completed.
- Verify recall 08V070000 (visibility) has been completed.
FAQ
Is the 2007 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 2007 Monaco Coach Diplomat?
The most-reported component is visibility, accounting for 100% of complaints on file.
How many recalls does the 2007 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.