89 T/A 700R4 wont shift into 4th
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Joined: Dec 2010
Posts: 240
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From: Omro Wisconsin
Car: 86 IROC-Z
Engine: 383 Stroker Vortec
Transmission: 700r4 Built
Axle/Gears: 3:42
89 T/A 700R4 wont shift into 4th
My buddys 89 Gta started actting up today and wont shift into 4th gear is the trans about done or? it say 92K on the spedo but looks like 192K underneath
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iTrader: (25)
Joined: Feb 2006
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From: Manteca,California. Nor Cal.
Car: SOLD IT. Mopar guy only now.
Engine: gone
Transmission: gone
Axle/Gears: gone
Re: 89 T/A 700R4 wont shift into 4th
probably. you can try adjusting the tv cable. but notorious for losing Overdrive...check the fluid does it look brown and have a burnt smell to it?
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Joined: Dec 2007
Posts: 475
Likes: 3
From: Minnesota
Car: '88 Iroc
Engine: Single turbo Vortec 5.7, Megasquirt
Transmission: Probuilt 700r4 3000 stall Vigilante
Axle/Gears: Moser 9" 3.25 w/True Trac
Re: 89 T/A 700R4 wont shift into 4th
If it is simply not shifting into 4th and just staying in third, a trick you can try it running the car on STURDY jackstands and running the tires up pretty fast in third and have someone under the hood quickly pull the tv cable in and out. Sometimes the valvebody will get some debris where it shouldn't be and stick a shift valve. Try this after confirming tranny fluid level, and that you aren't confusing not shifting to 4th as no converter lockup in 4th.
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