Service bulletins for the 2009 Kenworth T300
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.
22 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Transmission and driveline are shown. Show all
| TIB-26-17 | 2010-04-16. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. KENWORTH TRUCK SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE OIL SLINGER THREADS ON INPUT SHAFTS OF IDENTIFIED 10 SPEED TRANSMISSION WERE MACHINED INCORRECTLY. THIS DEFECT WILL CREATE A SLOW FLUID LEAK AT THE INPUT SHAFT TO TRANSMISSION INTERFACE. CSC LETTER WAS REC'D. *PE |
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| TIB-99-13 | 2010-04-14. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. KENWORTH TRUCK SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. TRANSMISSION DRIVER INSTRUCTIONS MANUAL CAMPAIGN. THE WRONG EATON TRANSMISSION DRIVER INSTRUCTIONS MANUAL MAY HAVE BEEN DELIVERED WITH IDENTIFIED CHASSIS. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.