repaired · 2015 Q2
Other: labels
Risk. As a result, the axles may be overloaded or the wrong tires could be installed or the tires could be improperly inflated.
2004 Peterbilt 378Problems, recalls & complaints
NHTSA has logged 1 owner complaint about the 2004 Peterbilt 378, most often about the engine and engine cooling. It is covered by 3 safety recalls, and for recall 13V-593 the manufacturer reports only 18% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through November 25, 2013. Updated daily.
Complaints by system
Where the 2004 Peterbilt 378 has problems
1 complaint grouped by the system owners reported.
1Engine and engine cooling
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine and engine cooling | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
3 recalls
2004 Peterbilt 378 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
no report yet
Service brakes, air
Risk. THE ABSENCE OF THIS AIR HOSE COULD ADVERSELY AFFECT THE DRIVE AXLE BRAKE PERFORMANCE WHILE A TRAILER IS BEING PULLED, RESULTING IN LONGER STOPPING DISTANCES,…
no report yet
Engine and engine cooling
Risk. THE OIL LINE MAY BE CUT ON THE CYLINDER HEAD CAUSING AN OIL LEAK AND A POSSIBLE FIRE.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Peterbilt.
Best & worst years
2004 vs. every other 378 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the 378 median. How we score
'87'88'96'97'98'99'00'01'02'03'04'05'06'07'08'09'10'11'12'13'14'15'16
- Avoid
- Caution
- Solid
- Best
- Not rated
In owners' words
What 378 owners report
Recent engine and engine cooling complaints filed with NHTSA, shortened. Personal details are removed.
INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) LOW ENGINE HEAT AND COOLANT LEAKING FROM OIL COOLER, STARTED ON COLD DAY BACK DECEMBER 14TH 2009, TOOK TRUCK TO DEALERSHIP. WANTED OIL COOLER RESEALED AND TWO THERMOSTATS REPLACED. VEHICLE HAS THIRD PARTY…
Own a 2004 378?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.