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Old 06-14-2020, 08:48 AM   #1
Schoview
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Join Date: Apr 2018
Location: Düsseldorf - Germany
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bad U-Joint and slip yoke clunk in 1980 Stepside

Hello,
today my u-joint started making an awfull noise while driving and at shifting from R to D it makes a loud "CLUNK" now.

So I have to replace the bad u-joint... so far no problem, but my question is:

I have got a 2WD with a rebuild TH350 in it.

Should I grease the slip yoke before reassembly or is it a NoGo to use another grease except of a few drops of ATF?

Thanks in advance
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Old 06-14-2020, 10:32 AM   #2
Pontiac1976
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Location: Ottawa, Ontario, Canada
Posts: 752
Re: bad U-Joint and slip yoke clunk in 1980 Stepside

yes would be good to. General Motors GM Fluid 19257121, or Valvoline SynPower Synthetic Automotive Grease- VV986,or any of your choice that has..high-quality lubricant contains PTFE Multipurpose grease, which is also non-melting.
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1977 REG cab Long Bed with a 1984 Front Clip, 82 305 .60 over 9.0.1 flat top pistons, 4bbl, TH350, w/84 SS-intake & cam , w/ 1977 big block rad, 1975 gear box, 1984 master w/ metric fittings top & SAE fitting @ portion block, 1975 3.42 gear open diff. Duel 77-87 Factory air cleaner, duel inlet from rad support . Down sized 9' to new 8' Steel flat bed
Was a 77 454 w/308 gear. Taken out 550 lbs. up front with motor clip change.
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