2006 Monaco Coach Diplomat problems, complaints & recalls
Most-reported problem areas: Engine And Engine Cooling:engine:diesel (2) · Structure:frame And Members (1) · Fuel System, Gasoline:fuel Injection System:fuel Rail (1)
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (1)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Fuel System, Gasoline:fuel Injection System:fuel Rail 2008-05-05 · 08-04-02 · Service Bulletin/Repair Instructions
monaco coach corporation has been advised that cummins inc. has initiated a service campaign bulletin c0805 pertaining to certain isc and isl engines. *pe
What owners report
2009-12-11 · Structure:frame And Members · 22,000 mi“motor home by monaco broken frame trailing arms. *tr…”
2008-05-12 · Engine And Engine Cooling:engine:diesel“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. *kb the consumer stated the remedy the manufacturing is suggesting is a warning device not an …”
2007-08-31 · Engine And Engine Cooling:engine:diesel“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 strand…”
2007-08-26 · Fuel System, Gasoline:fuel Injection System:fuel Rail · 12,500 mi“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 fu…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.