AI Damage2005 Peterbilt 379: common problems
Owners of the 2005 Peterbilt 379 filed 7 complaints with NHTSA, most often about engine and cooling and fuel system. Details by component below, with sources.
Key figures
- Owner complaints
- 7
What fails most often
- 1 Engine and cooling 29% of all complaints
- 2 Fuel system 29% of all complaints
- 3 Powertrain 29% of all complaints
- 4 Tires 14% of all complaints
- Engine and cooling: 2 complaints (29% of all).
- Fuel system: 2 complaints (29% of all).
- Powertrain: 2 complaints (29% of all).
- Tires: 1 complaints (14% of all).
Symptoms owners describe
How many of the 7 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine and cooling | 2 | 0 | 0 |
| Fuel system | 2 | 0 | 0 |
| Powertrain | 2 | 0 | 0 |
| Tires | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
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.
Tl* 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.
2005 peterbuilt 379, unit 2 had a blowout on the trailer. Debris from the failure struck unit 1 causing damage. (ohio traffic crash report # 10-0359-91) updated 08/06/10
2005 peterbilt 379 conventional, drive shaft broke from truck onto the roadway and another vehicle struck it. Ohio traffic crash report # 10-0279-90 updated 05/03/10
The vehicle was engulfed in massive flames. The fire and police department were called to the scene. The vehicle was towed and completely destroyed. The failure mileage was 350,000. The vin was unavailable. Updated 11/16/10.
2005 peterbilt 379 caught fire. Consumer heard a hissing noise and pulled over and notice the tires were on fire. The driver noticed smoke coming from the drive axles. Ohio traffic report # 10-0196-89 updated 04/15/10
Dt*: the contact stated while driving various speeds, fuel leaked from the fuel tank. There were no obvious road hazards. The vehicle was seen by a dealer for inspection. The dealer was unable to duplicate the problem.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 12,538 of 36,656 model years in the NHTSA data (top 34% most complained about).
On average one model year of the 379 has 4 complaints (17 years in the data). This year has 7, above average.
What to check before buying
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Tires. Tire age by DOT code, bulges, wear pattern.
Other years of this model
Questions and answers
What are the most common problems with the 2005 Peterbilt 379?
Owner complaints to NHTSA most often mention: engine and cooling, fuel system, powertrain. Total complaints: 7. The most frequent symptoms in complaint texts: smoke, burning smell, fire (43%), fuel system, fuel smell (14%), oil leak or consumption (14%).
How many service bulletins (TSB) were issued for the 2005 Peterbilt 379?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2005 Peterbilt 379 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.