NHTSA vehicle safety data

2007 Monaco Coach Diplomat Recalls & Complaints

The 2007 Monaco Coach Diplomat has 3 NHTSA recall campaigns and 1 owner complaint on file as of November 3, 2026. Recall repairs are usually free at an authorized Monaco Coach dealer.

NHTSA recall and complaint data for the 2007 Monaco Coach Diplomat. Recall data is refreshed daily from NHTSA.

Pre-purchase inspection checklist → Reliability & 5-year cost forecast →

2007 Monaco Coach Diplomat owner complaints

Owners have filed 1 complaint with NHTSA about the 2007 Monaco Coach Diplomat, describing incidents dated June 13, 2008.

Most-cited components

Visibility/Wiper 1 complaint

Newest complaints

ODI #10232728 · Filed June 30, 2008
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. SINCE I HAVE BEEN ON A TRIP AND THE NEW PARTS FROM AM EQUIPMENT HAVE FAILED, THE WIPERS…

Read the full complaint

WIPER SYSTEMS/AM EQUIPMENT

NHTSA #08V070000 · Visibility — Windshield Wiper/Washer — Linkages · NHTSA notice

Reported February 14, 2008 · MONACO COACH CORPORATION

Potentially affected: 1,733 vehicles

Monaco Coach campaign R08005 · Owners notified March 11, 2008 · Vehicles built January 24, 2005 – March 30, 2007 (per NHTSA)

Defect description

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.

Safety consequence

WHEN THE WIPER SYSTEM FAILS, THE OPERATOR WILL HAVE REDUCED VISIBILITY WHICH COULD RESULT IN A CRASH.

Manufacturer 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.

Notes

MONACO RECALL NO. R08005.CUSTOMERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO HTTP://WWW.SAFERCAR.GOV.

RANGES/CARBON MONOXIDE POISONING/ATWOOD

NHTSA #07V404000 · Equipment — Recreational Vehicle/Trailer · NHTSA notice

Reported September 6, 2007 · MONACO COACH CORPORATION

Potentially affected: 630 vehicles

Owners notified December 14, 2007 · Vehicles built December 12, 2006 – May 23, 2007 (per NHTSA)

Defect description

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.

Safety consequence

THIS CONDITION COULD RESULT IN CARBON MONOXIDE POISONING.

Manufacturer 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.

Notes

CUSTOMERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO HTTP://WWW.SAFERCAR.GOV.

CONNECTING ROD FAILURE/CUMMINS

NHTSA #07V311000 · Engine and Engine Cooling — Engine — Diesel · NHTSA notice

Reported July 20, 2007 · MONACO COACH CORPORATION

Potentially affected: 747 vehicles

Monaco Coach campaign R07007 · Owners notified August 7, 2007 · Vehicles built November 21, 2005 – August 9, 2006 (per NHTSA)

Defect description

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.

Safety 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.

Manufacturer 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 FREE OF CHARGE (PLEASE SEE 07E033). OWNERS MAY CONTACT CUMMINS AT 800-343-7357 OR MONACO AT 1-800-685-6545.

Notes

MONACO RECALL NO. R07007.CUSTOMERS MAY CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY: 1-800-424-9153); OR GO TO HTTP://WWW.SAFERCAR.GOV.

try.vin has no NCAP crash-test rating on file for the 2007 Monaco Coach Diplomat. NHTSA rates some vehicles by body style — pickups by cab, vans by roof height — so check nhtsa.gov/ratings.

1 owner complaint has been filed with NHTSA for the 2007 Monaco Coach Diplomat.

Visibility

ODI #10232728

Incident: June 13, 2008 · Filed: June 30, 2008

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. SINCE I HAVE BEEN ON A TRIP AND THE NEW PARTS FROM AM EQUIPMENT HAVE FAILED, THE WIPERS BECOME DISCONNECTED FROM THE DRIVE MOTOR. THE SAME EXACT WAY THEY DID BEFORE THE RECALL REPAIRS. MY MOTOR HOME HAS BEEN IN THE SHOP FOR GOING ON 2 WEEKS WAITING FOR DIRECTION FROM AM EQUIPMENT TO LIGHTNIN RV. THIS IS A HUGE SAFETY PROBLEM AS MY MOTOR HOME WEIGHS 43,000LB AND IF YOU CANT SEE IN AN UNEXPECTED RAIN STORM MY SAFETY AS WELL AS OTHERS IN MY PATH ARE IN DANGER DUE TO IMPAIRED VISION. HOPEFULLY YOU CAN HELP

Other Monaco Coach Diplomat model years

Check your 2007 Monaco Coach Diplomat VIN

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