GM Service Manual Online
For 1990-2009 cars only

4T40E/4T45E Hard to Shift - keywords bind channel creep forward ME7 MN4 MN5 movement neutral no park plate reverse shifter slip

Subject:4T40E/4T45E Hard to Shift

Models:2005 Chevrolet Cavalier, Cobalt, Malibu, Malibu Maxx
2005 Pontiac G6, Grand Am, Pursuit, Sunfire
2005 Saturn Ion, Vue



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

Condition/Concern:

Vehicle may exhibit a no park or no reverse concern, a creep forward in neutral or a hard to shift concern.

Dealer may find manual valve binding in the channel plate (case cover) due to a burr in the valve bore. The manual valve clip may be broken and/or the link bent.

Recommendation/Instructions:

Replace channel plate (case cover) and manual valve with valve clip and link.

Please follow this diagnosis 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.