'93 AOD help
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Freshman User
Joined: Oct 2010
Posts: 38
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'93 AOD help
I had to remove my transmission to replace the rear main seal. When I put the trans back on I jammed the TC on the the trans and broke the gears for the pump. I took the trans in to the shop and had it repaired. Put the trans back in, without jamming the TC. I took the truck out for a spin and it's not shifting. I can't get it to go any faster than 20 mph. Any ideas on what could be wrong? I've already adjusted the linkage and the fluid is good to go. Please help. This is my daily driver and I need it back.
I have adjusted the tv cable per the video that has been posted by numerous people in here and that didn't help the problem.
I have adjusted the tv cable per the video that has been posted by numerous people in here and that didn't help the problem.
Transmission Rebuilder
Joined: Jul 2008
Posts: 1,570
Likes: 63
From: North Georgia
There is a good chance that there could be some metal in the valve body or governor that came from the pump that was destroyed.
The governor and valve body can stick easily when there is metal in the fluid.
Did they check that or did they just install a good pump?
The governor and valve body can stick easily when there is metal in the fluid.
Did they check that or did they just install a good pump?
Transmission Rebuilder
Joined: Jul 2008
Posts: 1,570
Likes: 63
From: North Georgia
If they were able to rebuild the pump then it must have been a clean break of the pump gears and generally wont produce alot of metal. Regardless a sticky governor or valve body could cause it not to shift.
If you are certain that the linkage is correct and the pressures are good and you have reverse then you could check the governor by removing the tail housing. Remove the governor and make sure the little valves move freely. Then you can blow air down the governor feed hole, this will move the three shift valves in the valve body, it just might free up a sticky valve without removing the pan and valve body. Make sure you install the governor facing the right way when you go back together with it, metal plate facing forward toward the bell housing.
If you are certain that the linkage is correct and the pressures are good and you have reverse then you could check the governor by removing the tail housing. Remove the governor and make sure the little valves move freely. Then you can blow air down the governor feed hole, this will move the three shift valves in the valve body, it just might free up a sticky valve without removing the pan and valve body. Make sure you install the governor facing the right way when you go back together with it, metal plate facing forward toward the bell housing.
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