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55 Buick Dynaflow Tranny problem


Guest oldschoolauto

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I'd check to make sure that the linkage is actually moving the shift lever into reverse. It most likely is, which points to a problem in the servo or the reverse band. If it was slipping in reverse and finally got to where it wouldn't move it most likely is a revese band adjustment. If it happened suddenly it could easily be a reverse band strut failure or one of the ears is broken off of the reverse band. If it is a band failure it's a complete tear down type of problem. The servo can be removed/repaired without removing the trans........Bob.

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