Service bulletins for the 2002 Peterbilt 387
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.
14 on file from NHTSA, as of 2026-10-19.
By type
By component
By topic
Only bulletins with component: Power steering are shown. Show all
| 803 | 2003-12-30. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:PUMP. THERE ARE OCCASIONS WHEN A LEAK MAY DEVELOP IN A PRESSURE HOSE WITH A CRIMP-STYLE END FITTING AT THE POWER STEERING PUMP CONNECTION. THIS MAY BE DUE TO THE ORIENTATION AND LENGTH OF THE OE PRESSURE HOSE. A PRODUCT IMPROVEMENT THAT REORIENTS THE POWER STEERING PUMP AND CHANGES THE LENGTHS OF PRESSURE AS WELL AS SUCTION HOSES WAS IMPLEMENTED IN PRODUCTION ON JULY 28 2003. THIS BULLETIN PROVIDES INFORMATION TO MAKE THIS IMPROVEMENT ON EARLIER VEHICLES THAT EXPERIENCE THE LEAK DESCRIBED. *TT |
|---|
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.