1999 Monaco Coach Diplomat Brakes Problems
- Complaints
- 2about this part
- Share
- 20%of 10 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the brakes of the 1999 Monaco Coach Diplomat, 20% of the 10 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“While driving 65 MPH, the air dryer on the air brakes had blown apart which caused the brakes to lose power. The driver was able to avoid a collision and the motor home was towed to the residence.”
NHTSA complaint #10033879, filed 2003-09Brakes: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 1999 | 2 | 20% |
Other parts of the 1999 Monaco Coach Diplomat
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsEquipment
2 complaintsTires
2 complaintsElectrical system
1 complaintsOther or unknown
1 complaintsBody and structure
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 1999 Monaco Coach Diplomat
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology