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#BS-2005-PET379-5C3B

2005 Peterbilt 379

Based on reports from 7 owners and 6 recalls for this exact model.

Complaints
7
Crashes
0
Fires
3
Recalls
6
TSBs
13
🟢

Preliminary Verdict

Proceed with Caution

Based on 7 complaints, 0 crashes, 3 fires, and 6 recalls.

See full verdict with buy/skip conditions

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Mechanic Inspection Checklist

!Check the Fuel System, Diesel:storage:tank AssemblyHIGH

1 owners reported fuel system, diesel:storage:tank assembly issues — failures commonly reported around 200K miles.

!Inspect the Power Train:axle AssemblyMED
Look for symptoms of wear and premature failure
+ 5 more items in full checklistUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Fuel System, Diesel:storage:tank Assembly (1 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Fuel System, Diesel:storage:tank Assembly1 (14%)
Power Train:axle Assembly1 (14%)
Wheels & Tires1 (14%)
Engine And Engine Cooling:engine:diesel1 (14%)
Fuel System1 (14%)
Power Train:driveline:driveshaft1 (14%)
Engine And Engine Cooling:cooling System1 (14%)

2005 Peterbilt 379: Known Issues & Problem Areas

Fuel System, Diesel:storage:tank Assembly Issues

Fuel System, Diesel:storage:tank Assembly complaints account for 14% of all reports filed for the 2005 Peterbilt 379, with 1 owners filing complaints with NHTSA. The median mileage at time of complaint is 200,000 miles, suggesting issues tend to surface around the 200K-mile mark.

Power Train:axle Assembly Issues

Power Train:axle Assembly complaints account for 14% of all reports filed for the 2005 Peterbilt 379, with 1 owners filing complaints with NHTSA. Owners should pay attention to power train:axle assembly-related symptoms during test drives and pre-purchase inspections.

Wheels & Tires Issues

Wheels & Tires complaints account for 14% of all reports filed for the 2005 Peterbilt 379, with 1 owners filing complaints with NHTSA. Owners should pay attention to wheels & tires-related symptoms during test drives and pre-purchase inspections.

Engine And Engine Cooling:engine:diesel Issues

Engine And Engine Cooling:engine:diesel complaints account for 14% of all reports filed for the 2005 Peterbilt 379, with 1 owners filing complaints with NHTSA. Owners should pay attention to engine and engine cooling:engine:diesel-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

1
06
1
08
3
10
2
11

Complaints filed with NHTSA by year for the 2005 Peterbilt 379. Recent trend: decreasing.

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Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (6 recalls)

05V189000Jun 2005

SUSPENSION

ON CERTAIN HEAVY DUTY CLASS 8 TRUCKS, THE SUSPENSION HAS TRANSVERSE BEAM CASTINGS THAT MAY FRACTURE UNDER NORMAL LOADS. IF A CASTING BREAKS WHEN THE VEHICLE IS TRAVELING ON A ROADWAY THERE IS THE POTENTIAL FOR PIECES OF THE CASTING TO BECOME PROJECTILES AND THE SUSPENSION'S TRANSVERSE BEAM MAY DROP DOWN LOW ENOUGH TO CONTACT THE ROAD SURFACE.

05V570000Apr 2006

ENGINE AND ENGINE COOLING

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.

06V251000

EQUIPMENT

ON CERTAIN TRUCKS, WHEN USING A CUMMINS ELECTRONIC ICON SERVICE TOOL 2.2, AN UNINTENDED ENGINE START WILL OCCUR.

07V044000Feb 2007

SERVICE BRAKES, AIR

ON CERTAIN NON-ABS EQUIPPED TRUCKS, AN AIR HOSE BETWEEN THE TRACTOR PROTECTION VALVE AND THE BACK OF THE CAB BULKHEAD WAS OMITTED.

08V099000Mar 2008

SERVICE BRAKES, AIR:SLACK ADJUSTERS

PACCAR IS RECALLING 130 MY 2005-2007 KENWORTH C500, T800, W900, AND PETERBILT MODELS 357 AND 379 TRACTOR TRAILERS EQUIPPED WITH FABCO SLACK ADJUSTERS ON SISU AXLES. THE SLACK ADJUSTERS MAY FAIL AS A RESULT OF A FATIGUE CRACK RENDERING THE SLACK ADJUSTER INOPERATIVE. THIS COULD REDUCE BRAKING EFFECTIVENESS.

+ 1 more recall in the full report

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 7 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 6 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Peterbilt 379 Model Years

201620152014201320122011201020092008200720062005200420032002200120001999199819971996199519941993199219911990198919881987
View all Peterbilt 379 years →

2005 Peterbilt 379: Frequently Asked Questions

What is the most common problem with the 2005 Peterbilt 379?
The most commonly reported issue with the 2005 Peterbilt 379 is related to the fuel system, diesel:storage:tank assembly, with 1 complaints filed with NHTSA.
Is the 2005 Peterbilt 379 reliable?
The 2005 Peterbilt 379 has 7 complaints, 0 crash reports, and 3 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.
How much does it cost to fix 2005 Peterbilt 379 problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 2005 Peterbilt 379 have any recalls?
Yes, the 2005 Peterbilt 379 has 6 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Peterbilt 379 problems start?
Based on 3 complaints with mileage data, the median mileage at time of complaint is 200,000 miles. The highest concentration of reported issues occurs in the 150K+ mile range. The full report breaks down exactly which components fail at each mileage bracket.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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