2003 Peterbilt 320 Recall: CERTAIN TRUCKS EQUIPPED WITH NEXGEN LIQUID NATURAL GAS (LNG) TANKS ARE…
NHTSA campaign 04V378000 · Fuel System, Other · filed Aug 2, 2004 · verified Jul 30, 2026
The defect
CERTAIN TRUCKS EQUIPPED WITH NEXGEN LIQUID NATURAL GAS (LNG) TANKS ARE BEING RECALLED. THE INTRODUCTION OF WATER INTO THE DISCHARGE SIDE OF BOTH THE PRIMARY AND SECONDARY RELIEF VALVES SIMULTANEOUSLY AND SUBSEQUENT FREEZING IN SERVICE CAN RENDER THE VALVES TEMPORARILY INOPERATIVE.
The risk
IF NOT INSPECTED THE RISK OF TANK OVER-PRESSURIZATION AND A CATASTROPHIC TANK RUPTURE CAN OCCUR, POTENTIALLY RESULTING IN SERIOUS INJURY OR DEATH.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
NEXGEN WILL NOTIFY THE CUSTOMER, PERFORM AN INSPECTION, AND PROVIDE INSTRUCTIONS FOR ORDERING AND INSTALLING THE RETROFIT KIT. OWNERS SHOULD CONTACT NEXGEN AT 1-770-720-6780 OR PETERBILT AT 1-940-591-4201.
PACCAR RECALL NO, 704-C.CUSTOMERS CAN ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH 2-DOT (1-888-327-4236).
Affected vehicles
Related recalls
More Peterbilt 320 recalls
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- 2015–2021 Peterbilt 320 and 1 other model — Steering column support structure may crack or break in…
- 2016–2020 Peterbilt 320 and 1 other model — Rear brake signal hose may be missing a quick release…
- 1990–2020 Peterbilt 320 and 1 other model — Turn signals may also light up with the stop/tail lights…
- 2017 Peterbilt 320 — Park brake chamber on these vehicles may be to small, which…
Other campaigns involving Peterbilt vehicles
Source: NHTSA recall database, campaign 04V378000 (manufacturer number 704-C). Data last verified Jul 30, 2026.