TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Hummer for this TSB. Call your local Hummer dealer's service department & ask for a copy of TSB# PIP4321.

Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Summary

OIL LEAK AT REAR OF ENGINE. EQUIPPED WITH A 4.8, 5.3, 6.0 OR 6.2 V8 ENGINE. *NJ

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