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# 3857.

Affected Component: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Summary

SUPPLEMENT TO BULLETIN 05-01-37-002A, POOR HEAT PERFORMANCE. *AK

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