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# 510.

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

Summary

2004 SECONDARY AIR INJECTION SYSTEM- IN 6 CYLINDER ENGINE INCORPORATES A NEW AIR PUMP AND AN ELECTRONIC AIR SHUT OFF VALVE. *SC

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