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Old 03-27-2012, 07:30 AM   #4
JointTech
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Join Date: Feb 2012
Location: Mission Viejo, CA
Posts: 1,856
Re: N00b with a 72 c20

Changed belts. Missing the AC compressor so just the alternator, and power steering belts. Cleaned the engine off with some degreaser. Kind of a pain in the ass when you cant use a hose. so i used a spray bottle lol. ragged up the rest. cleaned up ok for a half-assed parking lot job.

Changed the oil and filter. Put in 10w30. Old oil was pretty black but didnt see any shavings in it. Oil pressure still reading pegged though so need to check that out.

Transmission is a pint low. need to pickup some ATF tomorrow. While under the truck i found that its a TH400 when i thought it was a TH350. I guess thats good.. or whatever.
looks like a th400 pan to me.


Pulled the rear end cover off. It's a 14 bolt. Oil was black and really smelly but again doesnt look like any shavings. Also didnt look like there was ever a gasket on it? maybe just rtv or something. it was so covered in old grease and dirt i cant tell.

what I didnt see was a filler hole for the diff. Have to google that later.
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72 C20 Long Bed
SB350 TH400 14 bolt rear end
Extremely boring build thread
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