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700r4 tailshaft end-play

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Old 12-09-2011, 06:39 PM
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Car: 89 f-bird and some others
Engine: 3.4
Transmission: 700R4
Axle/Gears: 3.42
700r4 tailshaft end-play

How much is the tailshaft of a 700r4 supposed to move around? Up and down I mean.

I have some vibrations, and was checking for missing driveshaft weights and the u-joints when I noticed it. I figure there'd be a little, but I'm curious how much. There's no fluid leaking around the shaft throught he gap between it and the seal.
Old 12-09-2011, 10:46 PM
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jmd
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Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: 700r4 tailshaft end-play

The slip yoke is the rearmost support of the output shaft.
When it's installed, that movement should be virtually none.
Old 12-09-2011, 11:22 PM
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Car: 89 f-bird and some others
Engine: 3.4
Transmission: 700R4
Axle/Gears: 3.42
Re: 700r4 tailshaft end-play

I'll have to get the car up in the air tomorrow and measure how much it moves.
Old 12-10-2011, 07:58 AM
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Car: 89 Firebird
Engine: 406 CI
Transmission: Pete K 700R4
Axle/Gears: 3:55
Re: 700r4 tailshaft end-play

About 1/8 inch up and down movement is typical, with the yoke out of the tailhousing.
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