Lubricate Slip Yoke? factory service manual not clear what to use

Nov 15, 2004 4 Replies
J

The factory service manual for my '89 S10 Blazer 2WD w/ 700R4 says to lubricate the slip yoke when re-installing the driveshaft. It doesn't specify what to lube it with; not sure if I should use motor oil, ATF, general purpose grease, etc. When I took the driveshaft out a little fluid did drip out of the slip yoke, it wasn't redish in color and looked more like motor oil. It's a one-piece drive shaft and there is no grease fitting (or hole) in the slip yoke.



Thanks, John


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N

Use a little vasoline on the inside of the seal. You need to service that transmission if the fluid looked like that.

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E

I believe they are referring to using ATF on the outside of the yoke to lubricate the seal.

Brian

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M

Yes they are, and the tranny fluid thats in the tranny will lube the slip yoke splines.

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