2004 Workhorse W22 Engine cooling Problems
- Complaints
- 4about this part
- Share
- 4%of 92 total for the year
- Median mileage
- 30,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine cooling of the 2004 Workhorse W22, 4% of the 92 complaints for this model year. Where a mileage was given, the median is 30,000 miles. 1 recall campaign on record is filed under a similar system.
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.
“Ltr re: safety recall 50901-c interim notice dated may 2009 Workhorse he thinks he should be reimburse for the damages incurred in sept. 2007 from this defect, also pay for the diagnosis of this problem. The consumer stated he experienced brake failure prior to receiving a recall letter. Workhorse denied the consumers claim stating the repairs were necessary, because it was the consumers fault that the brakes overheated. The rotors were severely damaged. …”
NHTSA complaint #10275548, filed 2009-06“2004 Workhorse W22 chassis. The consumer received a recall notice from Workhorse which stated the clip that retains the engines fuel rail pulse damper may fracture leading to a fuel leak. The consumer was having difficulty contacting someone regarding the recall notice he received. The consumer also complained about loss of brakes on the rv. When the consumer attempted to apply the brake to stop, the pedal went to the floor. He immediately pulled the safety brake and pumped what little brake pedal he had. …”
NHTSA complaint #10313230, filed 2010-02“2004 gulf stream sun voyager (Workhorse custom chassis W22) recall notice on campaign no. 60601-c for the clip that retains the engine fuel rail pulse damper may fracture leading to a fuel leak. The consumer also stated a more serious problem was the loss of brakes while on a camping trip. When the consumer was approaching a red light, he attempted to apply the brakes, but the pedal went to the floorboard. He immediately pulled the safety brake and pumped what little brake pedal he had. The consumer managed to stop in time. …”
NHTSA complaint #10260131, filed 2009-02Related recalls
- 06V225000Jun 20, 2006On certain motor home and truck chassis equipped with general motors 8.1l v8 engines, improper hardening during the heat treatment process can cause the fuel…Covers: Workhorse W22 2004–2006, W24 2004–2006, P32 2004–2006 +2 more
Engine cooling: other model years
Other parts of the 2004 Workhorse W22
83 complaintsElectrical system
4 complaintsFuel system
2 complaintsEquipment
1 complaintsExterior lighting
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsBody and structure
1 complaintsSuspension
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2004 Workhorse W22
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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