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# 040604047C.

Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Summary

TOP TIER DETERGENT GASOLINE. 2005 AND PRIOR ALL GENERAL MOTORS PASSENGER CARS AND TRUCKS ALSO INCLUDED. *TT UPDATE. *TT

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