GM Service Manual Online
For 1990-2009 cars only

Transmission Cooler Line Leak - keywords 6t70 6t75 attachments BQMA cooler fitting fluid leak line mh3 mh4 mh6 my9oil pipe

Subject:Transmission Cooler Line Leak

Models:2008 Saturn Outlook, Aura, Vue
2008 GMC Acadia
2008 Buick Enclave
2008 Chevrolet Malibu, Equinox
2008 Pontiac Torrent
Equipped with a 6T70/75 Automatic Transmission RPO codes MH2 MH4 MH6 MY9



The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Condition/Concern:

The vehicle may have a concern of an oil leak at the transmission end of the cooler line attachments.

Recommendation/Instructions:

Engineering is currently investigating the cause of leaks at this connection and would like to have the opportunity inspect vehicles with this concern in the Flint Mi., Pontiac Mi., Detroit Mi. and Ypsilanti Mi. areas.

If you have a transmission leak and have identified the issue as a cooler line connection to the transmission please call.

Henry Steaban 586-575-5527 or Steve Field 810-625-9931.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.