Chevrolet TSB #030421004
1999 Chevrolet Silverado 3500
Affected Component: POWER TRAIN
- TSB Document
-  - Sorry, the NHTSA has not posted this TSB document yet.
 You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# 030421004. 
- Summary
- DESIGN CHANGE OF REAR OUTPUT SHAFT AND OIL PUMP REPLACEMENT PARTS. *TT
