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1998 Monaco Coach DiplomatProblems, recalls & complaints

NHTSA has logged 1 owner complaint about the 1998 Monaco Coach Diplomat, most often about the visibility. It is covered by 3 safety recalls.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls3Free fix at dealersOwner complaints10 with a crash, fire or injuryTop problem1Visibility

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through May 8, 2003. Updated daily.

Complaints by system

Where the 1998 Monaco Coach Diplomat has problems

1 complaint grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Visibility10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

3 recalls

1998 Monaco Coach Diplomat recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

–no report yet

Equipment: recreational vehicle/trailer

Recall 03V-166 · May 8, 2003

Risk. IF A LEAK OCCURS AND THE UNIT IS CONTINUALLY OPERATED, HYDROGEN GAS MAY BE EXPELLED AND CAN BE IGNITED, RESULTING IN A FIRE, POSSIBLY CAUSING SERIOUS INJURY OR…

Problem, fix and repair progress →

–no report yet

Tank assembly: mounting

Recall 98V-232 · Sep 18, 1998 · 398 vehicles

Risk. THE FUEL TANK COULD EVENTUALLY SEPARATE FROM THE VEHICLE AND DROP TO THE GROUND, INCREASING THE RISK OF PERSONAL INJURY OR A VEHICLE CRASH.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Monaco Coach.

Best & worst years

1998 vs. every other Diplomat year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Diplomat median. How we score

'98'99'00'01'02'04'05'06'07'08'09'10'11
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What Diplomat owners report

Recent visibility complaints filed with NHTSA, shortened. Personal details are removed.

CONSUMER STATES THE WINDSHEILD WENT OFF TRACK AND LEFT A LARGE OPENNING IN THE WINDSHEILD. TOOK TO DEALERSHIP TO HAVE WINDSHEILD RE-SET, PROBLEM HAPPENED AGAIN.*JB
Complaint 8010424 · May 23, 2002

Own a 1998 Diplomat?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.