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Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Transmission - Rearend> 700r4 won't shift out of first gear
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Topic Review (Newest First)
08-16-2008 07:17 PM
RPM
Quote:
Originally Posted by C-10
Pull the pan first, see if the TV valve is stuck 'in'. The valve behind the aluminum plunger can sometimes stick. This will cause the pressure to be sky high, making the trans think it's WOT.

If the TV linkage is broken, same thing, the TV check ball will seat and the pressure will max out.

It's in the valvebody, shouldn't have to yank the trans.
You were right on the money! a friend came by today that is good with trannys and it was stuck. cleaned it up and it works fine now.
07-20-2008 06:57 PM
RPM
Quote:
Originally Posted by C-10
Pull the pan first, see if the TV valve is stuck 'in'. The valve behind the aluminum plunger can sometimes stick. This will cause the pressure to be sky high, making the trans think it's WOT.

If the TV linkage is broken, same thing, the TV check ball will seat and the pressure will max out.

It's in the valvebody, shouldn't have to yank the trans.
OK great thanks for the info I'll check all that. I did not get to work on it today. I did check the cable and it was not broken...
07-20-2008 12:11 PM
C-10 Pull the pan first, see if the TV valve is stuck 'in'. The valve behind the aluminum plunger can sometimes stick. This will cause the pressure to be sky high, making the trans think it's WOT.

If the TV linkage is broken, same thing, the TV check ball will seat and the pressure will max out.

It's in the valvebody, shouldn't have to yank the trans.
07-20-2008 07:34 AM
RPM
Quote:
Originally Posted by IcU812
Pull the govenor, most likely the plastic gear just gave up. Also ck the drive gear, make sure its locked to the shaft.
I put a new gov in it. The gear was fine.

Looks like it has to come out.
07-19-2008 08:38 PM
IcU812 Pull the govenor, most likely the plastic gear just gave up. Also ck the drive gear, make sure its locked to the shaft.
07-19-2008 07:00 PM
RPM
700r4 won't shift out of first gear

I got a 700r4 in a T Bucket and we were doing a bucnh of burn outs for little kids. It was a very controlled event. SO DON"T GO THERE. anyway doing a lot of burn outs and now it won't shift out of low gear. I have park, reverse and low. put it in drive and it won't shift at all. Tried to manual shift no go either. I pulled the gov out and the little valve inside was stuck so I got a new gov, and put it in, but it did not help. Any ideas what to look at?

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