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Chevy 700R4 Transmission

14 messages,  Last post on Jun 07, 2010 at 9:00 AM

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What is this discussion about? Chevrolet, Truck

Messages Page 3 of 3

#13 of 14 I lost Reverse on my 700 r4, but I can get it back by jminski28

May 05, 2010 (8:07 am)

I have a 700r4, I cracked the outer shell on my transmission, took it to a shop to have the inner shell put in a new outer shell. The transmission has only 2800 miles on it. I reinstalled the transmission, I had reverse, put the truck into drive and lost reverse. I then took off the valve body and replaced it with a new one, I got reverse back, and then put it into drive and reverse disappeared again. Both times when I had reverse, I was at a high rev moving very slow. I took off the valve body and checked all the check balls and they are all in place. I have a shift kit in it, so replaced the spring for the pressure regulator out of the front pump. Reinstalled, and made sure the clip ring was in the proper grove. I put everything back together, got reverse put into drive, and lost reverse again. I am stuck. Don't know what to do next....

#14 of 14 Chevy van lost reverse by jdl2911

Jun 07, 2010 (9:00 am)

I have a '91 chevy g30 van, 350 5.7lt. The tranny is stamped "Hydro-Matic". I've lost reverse without any warning, ie, No smells, no noises, nothing. All other gears seem to work fine. Hopeing I didn't just loose the tranny. Any help would be appreciated. I really need it for work and I've kept it up very well and don't want to get another van, it runs excellent. Thanks and GOD Bless!

Messages Page 3 of 3

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