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Q:

does my 1999 savanna van have i valve body cable on the tranny? on 1999 GMC Savana 1500

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my tranny shifts from 1st to2ndat 20 mph and my reverse stopped working, can you help? Thanks
(1) Answer
(1) Comments
Yes, there is a shift cable, so that would be one thing to check. How is the oil in the transmission when the van is idling in park and warmed up? Is the level proper? Is the oil clean and red or dirty brown and burnt? When was the last time you replaced the fluid and the filter? No reverse and delayed up shifts to 2nd are not a good sign, as I am sure you know.
I changed the flex plate and it drove fine for about a week then the reverse quit working, it was low on fluid and i added 4 qts more i think it might be a little over full but it is clean, is their anything else i can check? Thanks