2004 Peterbilt 379
Only 1 complaint on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 1 complaint on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 1987 | 0 |
| 1988 | 0 |
| 1991 | 1 |
| 1992 | 1 |
| 1994 | 1 |
| 1995 | 3 |
| 1996 | 2 |
| 1997 | 4 |
| 1998 | 6 |
| 1999 | 5 |
| 2000 | 12 |
| 2001 | 6 |
| 2002 | 0 |
| 2003 | 3 |
| 2004 | 1 |
| 2005 | 7 |
| 2006 | 2 |
| 2007 | 6 |
| 2008 | 0 |
| 2009 | 0 |
| 2010 | 0 |
| 2011 | 0 |
| 2012 | 0 |
| 2013 | 0 |
| 2014 | 0 |
| 2015 | 0 |
| 2016 | 0 |
KNOWN PROBLEM AREAS
Only 1 complaint on file for this model year -- too few to rank by share. Raw counts only, below.
1 of 1 total report mentions: engine and engine cooling.
Show complaint excerpts
WHILE DRIVING AT 70MPH IN SUB FREEZING TEMPERATURES AND AT OPERATING TEMPERATURES, THE HORTON FAN HUB CAME OFF AND INTO THE RADIATOR. MY WIFE WAS DRIVING AT THE TIME AND I WAS IN THE SLEEPER CABIN. THERE WAS NO AUDIBLE NOISE WHEN THE HUB FAILED.
NHTSA ODI report, 20100217
SAFETY TIMELINE
ON CERTAIN TRACTORS EQUIPPED WITH CATERPILLAR DIESEL ENGINES, THE VARIABLE VALVE ACTUATION OIL LINE MAY WEAR AGAINST THE SHARP EDGE OF THE CYLINDER HEAD IF NOT POSITIONED CORRECTLY.
Remedy: CATERPILLAR, IN CONJUNCTION WITH PACCAR, WILL BE CONDUCTING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN FREE OF CHARGE. OWNERS MAY CALL CATERPILLAR AT 309-675-6496, KENWORTH AT 425-828-5440,
Campaign 05V570000 — check if this car was fixed
ON CERTAIN NON-ABS EQUIPPED TRUCKS, AN AIR HOSE BETWEEN THE TRACTOR PROTECTION VALVE AND THE BACK OF THE CAB BULKHEAD WAS OMITTED.
Remedy: PETERBILT WILL INSPECT THE AIR HOSE PLUMBING OF THE DRIVE AXLE BRAKE SYSTEM AND MAKE THE NECESSARY REPAIRS. THE RECALL BEGAN ON FEBRUARY 22, 2007. OWNERS MAY CONTACT PETERBILT AT 1-940-591-4196.
Campaign 07V044000 — check if this car was fixed
Paccar Incorporated (Paccar) is recalling certain 2004-2013 Peterbilt 379, 357, 378, 367, 388, 365, 389, 385 and 386 trucks manufactured from April 3, 2003, through October 25, 2013 and equipped with
Remedy: Peterbilt will notify owners and dealers will inspect and replace the certification labels missing the necessary information. The recall is expected to begin in January 2014. Customers can contact P
Campaign 13V593000 — check if this car was fixed
ON CERTAIN TRUCKS, WHEN USING A CUMMINS ELECTRONIC ICON SERVICE TOOL 2.2, AN UNINTENDED ENGINE START WILL OCCUR.
Remedy: CUMMINS IS CONDUCTING THIS RECALL (PLEASE SEE 06E063000) AND WILL REPLACE THE ICON SERVICE TOOL 2.2 WITH A NEW ICON SERVICE TOOL 2.3 FREE OF CHARGE. OWNERS MAY CONTACT CUMMINS AT 1-800-343-7357 OR PETERBILT AT 1-940-591-4201.
Campaign 06V251000 — check if this car was fixed
BUY-SMART CHECKLIST
2004 Peterbilt 379 — pre-purchase inspection
- Test/inspect for engine and engine cooling issues (1 reports on file for this year).
- Verify recall 06V251000 (equipment) has been completed.
- Verify recall 05V570000 (engine and engine cooling) has been completed.
- Verify recall 07V044000 (service brakes, air) has been completed.
- Verify recall 13V593000 (equipment) has been completed.
FAQ
Is the 2004 Peterbilt 379 reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2004 Peterbilt 379?
The most-reported component is engine and engine cooling:engine:diesel, accounting for 100% of complaints on file.
How many recalls does the 2004 Peterbilt 379 have?
4 recalls on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.