1999 Monaco Coach DIPLOMAT problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
8 owner complaints analyzed
3 distinct recall campaigns
38,219 mi median reported failure mileage
Scope: 1999 model year. Data snapshot: . 2 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Tires is the most frequently named component, appearing in 2 of 8 complaints (25.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 2 | 25.0% |
| Fuel system concerns | 2 | 25.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Tires | 2 |
| Equipment:Other:Labels | 1 |
| Fuel System, Diesel:Storage:Tank Assembly | 1 |
| Fuel System, Gasoline:Storage:Tank Assembly | 1 |
| Service Brakes, Air | 1 |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip | 1 |
| Service Brakes, Hydraulic:Foundation Components:Disc | 1 |
| Unknown Or Other | 1 |
Tires: 2; Equipment:Other:Labels: 1; Fuel System, Diesel:Storage:Tank Assembly: 1; Fuel System, Gasoline:Storage:Tank Assembly: 1; Service Brakes, Air: 1; Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip: 1; Service Brakes, Hydraulic:Foundation Components:Disc: 1; Unknown Or Other: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 2 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 2; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
25,000 to 49,999 miles has the most reports with usable mileage (2). 6 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 2 |
| 2003 | 2 |
| 2004 | 1 |
| 2009 | 1 |
2000: 1; 2001: 1; 2002: 2; 2003: 2; 2004: 1; 2009: 1
Pattern summary
Tires leads the component reports. Braking behavior appears in 2 complaint narratives. Fuel system concerns appears in 2 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10033879 · 2003-09-23 (September 23, 2003)
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. *AK *SCC *JB
Owner-reported narrative. Look up ODI 10033879 at NHTSA ↗
Owner report 859599 · 2000-04-03 (April 3, 2000)
WHILE DRIVING FRONT END SHAKES, PULLS TO RIGHT AND IT IS DIFFICULT TO STOP SAFELY. ALSO, BRAKES MAKE A LOUD KNOCKING NOISE, AND A SEVERE SHAKE. *AK
Owner-reported narrative. Look up ODI 859599 at NHTSA ↗
Owner report 10016258 · 2003-04-21 (April 21, 2003)
FUEL TANK LEAK. *JB
Owner-reported narrative. 36,000 miles reported. Look up ODI 10016258 at NHTSA ↗
Owner report 8002231 · 2002-01-15 (January 15, 2002)
WHILE DRIVING FUEL WAS LEAKING FROM THE VEHICLE, IT WAS LEAKING ONTO ONCOMING TRAFFIC. CONTACTED DEALER ,AND DEALER REPLACED FUEL TANK. FUEL TANK HAS BEEN REPLACED TWICE ALREADY. *AK
Owner-reported narrative. Look up ODI 8002231 at NHTSA ↗