2006 Monaco Coach Diplomat recalls and problems

The 2006 Monaco Coach Diplomat has 3 safety recalls and 4 owner complaints filed with NHTSA. Recall repairs are free at any Monaco Coach dealer.

Recalls
3
Complaints
4
Crashes / fires
0 / 0
Injuries / deaths
0 / 0

Recalls may cover only some 2006 Monaco Coach Diplomat vehicles. Check your VIN at NHTSA ↗ to see open recalls for your exact car.

2006 Monaco Coach Diplomat recalls

Recall 08V-070: Visibility

Reported Feb 14, 2008 · 1,733 vehicles affected · MONACO COACH CORPORATION

Problem: 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.

Risk: When the wiper system fails, the operator will have reduced visibility which could result in a crash.

Fix: 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.

Recall 07V-311: Engine and Engine Cooling

Reported Jul 20, 2007 · 747 vehicles affected · MONACO COACH CORPORATION

Problem: 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.

Risk: 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.

Fix: 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.

Recall 05V-366: Exterior Lighting

Reported Aug 24, 2005 · 451 vehicles affected · MONACO COACH CORPORATION

Problem: On certain motor homes, the headlight switch in the front electrical box/firewall can overload.

Risk: Changes in the component supplier relay requirements with an updated controller were causing the headlights to stop functioning without warning. This could potentially cause a crash while driving at night.

Fix: Dealers will install a new wiring harness. The recall began on september 30, 2005. Owners may contact monaco at 1-800-685-6545.

2006 Monaco Coach Diplomat problems reported by owners

Problem areaReports
Engine and Engine Cooling3
Fuel System, Gasoline1
Structure1

Most reported parts

  • Engine and Engine Cooling › Engine › Diesel — 2
  • Fuel System, Gasoline › Fuel Injection System › Fuel Rail — 1
  • Structure › Frame and Members — 1

Typical mileage at the time of the problem: 22,000 miles (median of owner reports).

Problems that are not covered by a recall are paid repairs; labor rates follow local mechanic pay — see what auto mechanics earn in each state.

Recent 2006 Monaco Coach Diplomat complaints

Owner reports filed with NHTSA, as written (personal details removed). Complaints are not verified by NHTSA.

Engine and Engine Cooling · reported May 12, 2008
Owner of a 2006 40' monaco diplomat rv motorhome delivered with a 400hp diesel engine, manufactured by cummins inc. Received a recall notice re a possible engine failure; he is requesting help in ordering cummins to install a proper manufactured engine. The consumer stated the remedy the manufacturing is suggesting is a warning device not an actual fix to the problem. The manufactured stated they would install a pressure sensor in the crankcase essentially to warn of a pending engine failure.
Engine and Engine Cooling · reported Aug 31, 2007
Recall by cummins on isl850 engines installed on 2006/7 monaco motorhomes. The recall does not address the possible engine failure issue. It only protects the engine from blowing up thus saving cummings money. The correct fix should be a new engine which would not have the uncertainty of engine failure causing the vehicle (Motorhome ) to be stranded. Updated 09/18/07.
Fuel System, Gasoline · at 12,500 miles · reported Aug 26, 2007
While traveling in montana in our 2006 monaco diplomat motorhome with the cummins isl400 engine a fuel leak developed in the engine. This leak involved the line from the fuel pump to the fuel rail spraying diesel fuel all over the engine while the unit was running. Motorhome had to be towed 65 miles to billings, mt cummins repair facility. A new fuel line was installed, along with a bracket which is now being installed on these faulty lines due to these reported fuel leaks. Numerous motorhome owners with this engine have reported this potentially dangerous situation to both cummins and various…

Other Monaco Coach Diplomat years

Compare all Monaco Coach Diplomat years · All Monaco Coach models

Frequently asked questions

Does the 2006 Monaco Coach Diplomat have any recalls?

Yes — NHTSA lists 3 recalls for the 2006 Monaco Coach Diplomat: 08V-070 (visibility), 07V-311 (engine and engine cooling), 05V-366 (exterior lighting). Not every vehicle is affected, so check your VIN at nhtsa.gov/recalls.

What is the most common problem with the 2006 Monaco Coach Diplomat?

Owners report engine and engine cooling problems most often (3 reports), followed by fuel system, gasoline (1). The typical mileage when problems were reported is about 22,000 miles.

Are Monaco Coach recall repairs free?

Yes. Safety recall repairs are free at authorized Monaco Coach dealers, whether you are the first owner or bought the car used.