Service bulletins for the 2011 Peterbilt 325
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
24 on file from NHTSA, as of 2026-10-19.
By type
By component
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Only bulletins with component: Fuel system are shown. Show all
| DOR-K2T5D-01 | 2020-01-13. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; FUEL SYSTEM, DIESEL. This SKU is a DEF Injector. The customer communication requested return of unsold inventory to inspect the sealing. The injector sealing may have an issue which will cause a slow leak. A slow leak of the DEF Injector can lead to crystal formation which can cause aftertreatment related fault codes and ECU driven engine derating. |
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| SB-10-11 | 2012-01-10. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:MOUNTING. PETERBILT: INFORMATION REGARDING GAP AND PROPER TORQUE ALLOWED ON DEF TANK STRAPS. TANK STRAPS HAVE A SPRING TO ENSURE THEY REMAIN TIGHT DURING EXPANSION AND CONTRACTION OF DEF TANK. STRAPS MAY LOOK LOOSE BUT ACTUALLY ARE NOT UNLESS GAP IS GREATER THAN 1/2 INCH BETWEEN WASHER AND STRAP. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.