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International Automotive Technicians Network
Re: 2008 Buick Enclave Bad shifts after Timing Chains
Posted to Technical Discussion Forum on 12/9/2017

I have been surprised how much adaptives can mask tranny issue's. I clear adaptives as a diagnostic tool. Unfortunately, doing so can often put the finishing touches on the unit as it's now slipping/banging, but at that point it's too late anyway.

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