astrochimp Posted June 2, 2021 Share Posted June 2, 2021 Finally got everything done that's been on the list since forever. I think car sat for almost 2 years. I changed the oil and filter but not the trans fluid. It's pink and full on the dipstick. Usually, you put it into reverse with brake on and you feel it engag right away and let foot off pedal and it goes. Now, you put it into reverse and don't feel anything and let foot off pedal and it doesn't do much until you give it gas. I've only driven it for about half a mile so far going 25mph. Trans was rebuilt like 20k miles ago and torqu converter is about 8k miles old. I didn't change the trans fluid but this seems very weird. Maybe it just need to be driven and the issue will go away? Thanks for any INFO Quote Link to comment Share on other sites More sharing options...
1970mcss Posted June 2, 2021 Share Posted June 2, 2021 41 minutes ago, astrochimp said: Finally got everything done that's been on the list since forever. I think car sat for almost 2 years. I changed the oil and filter but not the trans fluid. It's pink and full on the dipstick. Usually, you put it into reverse with brake on and you feel it engag right away and let foot off pedal and it goes. Now, you put it into reverse and don't feel anything and let foot off pedal and it doesn't do much until you give it gas. I've only driven it for about half a mile so far going 25mph. Trans was rebuilt like 20k miles ago and torqu converter is about 8k miles old. I didn't change the trans fluid but this seems very weird. Maybe it just need to be driven and the issue will go away? Thanks for any INFO Maybe get the trans fluid good and warm. Maybe the fluid in the convertor is gummed up a bit. Not totally sure. Good luck Quote Link to comment Share on other sites More sharing options...
astrochimp Posted June 2, 2021 Author Share Posted June 2, 2021 yeah, I'm gunna drive it through all the gears and get it nice and hot. Then I'll check the fluid again. 1 Quote Link to comment Share on other sites More sharing options...
cny first gen 71 Posted June 2, 2021 Share Posted June 2, 2021 Always check trans fluid at operating temperature, maybe a can of transmission conditioner could help clean things up internally. Quote Link to comment Share on other sites More sharing options...
MC1of80 Posted June 2, 2021 Share Posted June 2, 2021 Also, just in case, for those who do not know, always check the trans fluid hot like cny first gen 71 stated but also in park. Not neutral. The GM trans pump fluid in park. Quote Link to comment Share on other sites More sharing options...
70MC402 Posted June 3, 2021 Share Posted June 3, 2021 Im not sure how relevant or helpful this may be but a friend had an old truck that wouldnt move without the throttle. You could feel the transmission engage but the vehicle wouldnt move without throttle. He had a brake shoe hanging up and causing friction in the driveline. Just a thought. 1 Quote Link to comment Share on other sites More sharing options...
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