Q: Hi I rebuilt my tranny works fine when on a jack but no movement when all wheels on the ground. Why is that?

asked by on June 11, 2017

I rebuilt the transmission changed all the seals and even replaced the converter...the transmission works super when the truck is on a jack but won't budge when it's on the ground ..it only barely moves in low ....again all gears works when the truck is on a jack but not when it's stable on all wheels ....why is this happening.?
My car has an automatic transmission.

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