Question about 1993 GMC Sierra
This can be caused by a few things, like bad lockup seloniod or converter or weak trany, the first thing i would try that sometimes works but is a 50/50 shot is a BG trany service, google it to read up on it, it a machine filled with 16 quarts of fluid and start by adding a cleaner into trany and run a few minutes even drive it then hook machine up to lines and start the engine it then begins to remove the old fluid while putting in the new, its like a transfusion, when it done a conditioner is added, i've done a lot of these and some times it help and sometimes it does not, but i would start there, this runs about $150.00, good luck and hope this helps,
Posted on Sep 04, 2010
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Posted on Jan 02, 2017
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