GMC TSB #510
2004 GMC Envoy
Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
- TSB Document
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- 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.
- Summary
- 2004 SECONDARY AIR INJECTION SYSTEM- IN 6 CYLINDER ENGINE INCORPORATES A NEW AIR PUMP AND AN ELECTRONIC AIR SHUT OFF VALVE. *SC