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#BS-1999-PET379-5C3B1999 Peterbilt 379
Based on reports from 6 owners and 6 recalls for this exact model.
Preliminary Verdict
Proceed with Caution
Based on 6 complaints, 0 crashes, 1 fires, and 6 recalls.
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Mechanic Inspection Checklist
1 owners reported steering issues — failures commonly reported around 688K miles.
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Steering (1 reports).
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
Where the complaints fall
1999 Peterbilt 379: Known Issues & Problem Areas
Steering Issues
Steering complaints account for 17% of all reports filed for the 1999 Peterbilt 379, with 1 owners filing complaints with NHTSA. The median mileage at time of complaint is 688,310 miles, suggesting issues tend to surface around the 688K-mile mark.
Fuel System, Diesel:storage:tank Assembly Issues
Fuel System, Diesel:storage:tank Assembly complaints account for 17% of all reports filed for the 1999 Peterbilt 379, with 1 owners filing complaints with NHTSA. Owners should pay attention to fuel system, diesel:storage:tank assembly-related symptoms during test drives and pre-purchase inspections.
Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings Issues
Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings complaints account for 17% of all reports filed for the 1999 Peterbilt 379, with 1 owners filing complaints with NHTSA. Owners should pay attention to fuel system, gasoline:delivery:hoses, lines/piping, and fittings-related symptoms during test drives and pre-purchase inspections.
Engine And Engine Cooling:engine Issues
Engine And Engine Cooling:engine complaints account for 17% of all reports filed for the 1999 Peterbilt 379, with 1 owners filing complaints with NHTSA. Owners should pay attention to engine and engine cooling:engine-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.
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Recall History (6 recalls)
STEERING:LINKAGES:TIE ROD ASSEMBLY
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH TIE ROD ASSEMBLIES MANUFACTURED BY TRW. THE SUSPECT TIE RODS CONTAIN 24-DL MODEL BALL SOCKETS. CERTAIN OF THE TIE ROD BALL-SOCKET BEARINGS HAVE A BELOW-SPECIFICATION CASE DEPTH AND/OR HARDNESS, WHICH CAN LEAD TO PREMATURE WEAR OF THE SOCKET.
STEERING:LINKAGES:TIE ROD ASSEMBLY
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH TRW TIE ROD ENDS ON CERTAIN MERITOR AXLES. THE TIE ROD AND DRAG LINK BALL STUD ENDS CONTAIN BEARINGS THAT ARE BELOW THE SPECIFIED CASE DEPTH AND/OR HARDNESS.
LATCHES/LOCKS/LINKAGES:DOORS:LATCH
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS. A CHANGE IN THE INTERNAL LINKAGE OF CERTAIN CAB DOORS HAS CREATED A POSSIBLE BINDING CONDITION.
STEERING:LINKAGES:TIE ROD ASSEMBLY
HEAVY DUTY TRUCKS EQUIPPED WITH TRW TIE ROD ENDS ON CERTAIN ARVINMERITOR AND DANA AXLES. PETERBILT WILL RECALL 1,434 VEHICLES EQUIPPED WITH ARVINMERITOR AXLES MANUFACTURED FROM DECEMBER 11, 1999, TO MAY 14, 2000, AND FROM JULY 22 TO SEPTEMBER 30, 2000. KENWORTH WILL RECALL 859 VEHICLES EQUIPPED WITH ARVINMERITOR VEHICLES MANUFACTURED FROM DECEMBER 11, 1999, TO MAY 23, 2000, AND FROM JULY 27, 2000, TO SEPTEMBER 30, 2000 AND KENNWORTH WILL RECALL AN ADDITIONAL 4,151 VEHICLES EQUIPPED WITH DANA AXLES AND MANUFACTURED FROM JUNE 23 TO DECEMBER 6, 1999, AND FROM MAY 23 TO SEPTEMBER 30, 2000. THE TIE ROD AND DRAG LINK BALL STUD ENDS CONTAIN BEARINGS THAT ARE BELOW THE SPECIFIED CASE DEPTH AND/OR HARDNESS.
SUSPENSION:FRONT:HUB
ON CERTAIN TRUCKS EQUIPPED WITH TRUCK HUB UNITS MANUFACTURED BY SKF EXCLUSIVELY FOR USE ON ARVINMERITOR'S FF98X SERIES NON-DRIVE STEER AXLES, THE HUB UNIT BEARINGS CAN WEAR PREMATURELY.
+ 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.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 6 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
1999 Peterbilt 379: Frequently Asked Questions
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Get the Full 1999 Peterbilt 379 Report
10 sections of AI analysis based on 6 owner reports. Know before you buy.