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#BS-1997-PET379-5C3B

1997 Peterbilt 379Problems, Recalls & Reliability

Based on reports from 9 owners and 0 recalls for this exact model.

Data updated ·checked October 21, 2026 · NHTSA complaints through October 19, 2026

Complaints
9
Crashes
1
Fires
0
Recalls
0
TSBs
10
✅

Preliminary Verdict

Green Light

Based on 9 complaints, 1 crashes, 0 fires, and 0 recalls.

See full verdict with buy/skip conditions

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Mechanic Inspection Checklist

!Check the Fuel System, Gasoline:storage:tank Assembly:mountingHIGH

1 owners reported fuel system, gasoline:storage:tank assembly:mounting issues — failures commonly reported around 1034K miles.

!Inspect the Fuel SystemMED
Look for symptoms of wear and premature failure
+ 6 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, Gasoline:storage:tank Assembly:mounting (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, Gasoline:storage:tank Assembly:mounting1 (11%)
Fuel System1 (11%)
Power Train:axle Assembly:axle Shaft1 (11%)
Power Train:axle Assembly:axle Shaft:seal1 (11%)
Brakes1 (11%)
Steering:linkages:knuckle:spindle:arm1 (11%)
Structure:body1 (11%)
Other1 (11%)

1997 Peterbilt 379: Known Issues & Problem Areas

Fuel System, Gasoline:storage:tank Assembly:mounting Issues

Fuel System, Gasoline:storage:tank Assembly:mounting complaints account for 11% of all reports filed for the 1997 Peterbilt 379, with 1 owners filing complaints with NHTSA. The median mileage at time of complaint is 1,034,346 miles, suggesting issues tend to surface around the 1034K-mile mark.

Fuel System Issues

Fuel System complaints account for 11% of all reports filed for the 1997 Peterbilt 379, with 1 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.

Power Train:axle Assembly:axle Shaft Issues

Power Train:axle Assembly:axle Shaft complaints account for 11% of all reports filed for the 1997 Peterbilt 379, with 1 owners filing complaints with NHTSA. Owners should pay attention to power train:axle assembly:axle shaft-related symptoms during test drives and pre-purchase inspections.

Power Train:axle Assembly:axle Shaft:seal Issues

Power Train:axle Assembly:axle Shaft:seal complaints account for 11% of all reports filed for the 1997 Peterbilt 379, with 1 owners filing complaints with NHTSA. Owners should pay attention to power train:axle assembly:axle shaft:seal-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
01
1
03
3
14

Complaints filed with NHTSA by year for the 1997 Peterbilt 379. Recent trend: increasing.

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About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 9 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 0 recalls found for this vehicle.

Repair Cost Data

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

Last updated (checked October 21, 2026). NHTSA complaints received through October 19, 2026.

Other Peterbilt 379 Model Years

201620152014201320122011201020092008200720062005200420032002200120001999199819971996199519881987
View all Peterbilt 379 years →

1997 Peterbilt 379: Frequently Asked Questions

What is the most common problem with the 1997 Peterbilt 379?
The most commonly reported issue with the 1997 Peterbilt 379 is related to the fuel system, gasoline:storage:tank assembly:mounting, with 1 complaints filed with NHTSA.
Is the 1997 Peterbilt 379 reliable?
The 1997 Peterbilt 379 has 9 complaints, 1 crash reports, and 0 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 1997 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 1997 Peterbilt 379 have any recalls?
No recalls have been issued for the 1997 Peterbilt 379 according to NHTSA records.
What mileage do Peterbilt 379 problems start?
Based on 3 complaints with mileage data, the median mileage at time of complaint is 1,034,346 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.
When was the 1997 Peterbilt 379 data last updated?
BumperScan last checked this vehicle against NHTSA on October 21, 2026, covering owner complaints received through October 19, 2026 plus the latest recalls, investigations and technical service bulletins. Its numbers last changed on October 4, 2026.
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?
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