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Vehicle recall 04V476000 · October 1, 2004

Monaco Coach Windsor, Holiday Rambler Imperial and 3 more models

On certain motor homes manufactured with optional aqua hot hydronic heaters, the exhaust termination for the heater was located under the bedroom slide out, when it should have…

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
On certain motor homes manufactured with optional aqua hot hydronic heaters, the exhaust termination for the heater was located under the bedroom slide out, when it should have been placed beyond the periphery of the vehicle.
Consequence
This makes it possible for fumes to enter the coach and possibly allow carbon monoxide fumes to vent into the motor home, which could result in serious injury or death to the passengers.
Remedy
For the 2003 motor homes, dealers will use the existing pipe from the aqua hot hydronic heater, and repair it so that the end termination will be to the passenger side of the motor home. For the 2004 and 2005 motor homes, dealers will add an exhaust pipe to the existing exhaust system from the aqua hot hydronic heater. The additional pipe will be installed so that the end termination will also be to the passenger side of the motor home. The recall began on October 27, 2004. Owners should contact monaco at 1-800-685-6545.
Notes
Monaco recall NO.R04049.CUSTOMERS can also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).

Recall details

NHTSA campaign
04V476000
Reported to NHTSA
October 1, 2004
Filed by
MONACO COACH CORPORATION
Manufacturer campaign
R04049
Owner notification
October 27, 2004
Vehicles potentially affected
44
Initiated by
the manufacturer
Components
Equipment › Recreational vehicle/trailer › LPG systems › Water heater
Recall 04V476000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Has your Holiday Rambler been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Holiday Rambler dealer can also check your VIN. Recall repairs are free.