GMC TSB #PIP4321
2007 GMC Sierra 2500
Affected Component: ENGINE AND ENGINE COOLING:ENGINE
- TSB Document
-  - Sorry, the NHTSA has not posted this TSB document yet.
 You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# PIP4321. 
- Summary
- OIL LEAK AT REAR OF ENGINE. EQUIPPED WITH A 4.8, 5.3, 6.0 OR 6.2 V8 ENGINE. *NJ
