The 2007 Monaco Coach Diplomat has 3 NHTSA recall campaigns affecting an estimated 3,110 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 1 complaint with NHTSA, most often about the visibility. Last updated July 5, 2026.
Recall campaigns
VISIBILITY08V0700002008-02-141,733 affected
Defect
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 FROM THE WIPER DRIVE ARM WHERE IT ATTACHES TO THE DRIVE ARM CAUSING THE WIPER SYSTEM TO FAIL.
Consequence
WHEN THE WIPER SYSTEM FAILS, THE OPERATOR WILL HAVE REDUCED VISIBILITY WHICH COULD RESULT IN A CRASH.
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.
EQUIPMENT07V4040002007-09-06630 affected
Defect
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 RESTRICTING PROPER AIRFLOW AND GAS MIXTURE.
Consequence
THIS CONDITION COULD RESULT IN CARBON MONOXIDE POISONING.
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.
ENGINE AND ENGINE COOLING07V3110002007-07-20747 affected
Defect
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.
Consequence
IF ALLOWED TO PROGRESS, THIS CAN LEAD TO ENGINE FAILURE WITH THE POSSIBILITY OF THE ROD RUPTURING THE LOCK CAVITY, OIL AND DEBRIS ON THE ROADWAY AND VEHICLE CRASH.
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 ENGINE DAMAGE AND RESULTANT SAFETY HAZARD. CUMMINS WILL ALSO INSTALL A NEW VALVE COVER WITH A CRANKCASE PRESSURE SENSOR…
Complaints by component
VISIBILITY
1
Total complaints1
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“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 [REDACTED] the repairs were done 2nd week in april. Since I have been on a trip and the new parts from am equipment have failed, the wipers…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2007 Monaco Coach Diplomat as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.