Affected Component: ENGINE AND ENGINE COOLING:COOLING SYSTEM

Date Published

JAN 01, 2004

NHTSA TSB #

10010248

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# 3121.

Summary

EXHAUST VIBRATION RESONANCE OR MOAN IN VEHICLES WITH GEN III V8 ENGINES. *TC