2005 Peterbilt 379 Engine cooling Problems
- Complaints
- 2about this part
- Share
- 29%of 7 total for the year
- Median mileage
- 200,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine cooling of the 2005 Peterbilt 379, 29% of the 7 complaints for this model year. Where a mileage was given, the median is 200,000 miles. 1 a fire, according to the filers. 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.
“The contact owns a 2005 Peterbilt conventional 379. The contact noticed that the fan hub was fractured. Neither the dealer nor the manufacturer had been notified. Approximately two years earlier, the fan hub was replaced but became fractured again. The vehicle was at an authorized dealer being repaired. The current mileages was 490,000 and the failure mileage was 200,000.”
NHTSA complaint #10383040, filed 2011-02, 200,000 miles“2005 Peterbilt 379, unit 1 was traveling eastbound on the ohio turnpike in the middle lane when his truck caught fire from underneath the front hood near the engine. Unit 1 then drove to the south side of the shoulder where he put the fire out. Oil leaked from underneath the hood. (ohio traffic crash report # 10-0302-90)”
NHTSA complaint #10409964, filed 2011-06Related recalls
- 05V570000Dec 22, 2005On certain tractors equipped with caterpillar diesel engines, the variable valve actuation oil line may wear against the sharp edge of the cylinder head if…Covers: Peterbilt 379 2004–2006, Kenworth W900 2004–2006, T2000 2004–2006 +6 more
Related service bulletins
- 10168703Nov 6, 2019Information Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the A/C compressor.
Engine cooling: other model years
Other parts of the 2005 Peterbilt 379
← All problems reported for the 2005 Peterbilt 379
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