Mudsport96
Full Access Member
Anyone know where a guy can get different shims to sent the clutch air gap on the ac compressor? The gap on my Silverado is .040 and spec is .020 to .035. Just got enough gap to not pull it in unless tapped.
Air conditioning clutch air gap
- Thread starter Mudsport96
- Start date
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Try here-
www.mcmaster.com
McMaster-Carr
McMaster-Carr is the complete source for your plant with over 595,000 products. 98% of products ordered ship from stock and deliver same or next day.
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Mudsport96
Full Access Member
Well after actually removing the clutch assembly and looking at it, the thing was beyond just shimming to spec.
So i did what any red blooded midwesterner would do.... i went to the you-pull and grabbed a couple for 18 bucks. Shims and all. Installed, measure, remove, change shims, reinstall, measure. Good at .022 inches. Cycle a dozen times to make sure all is good and ac works great. Already tossed the old one before i thought about taking a picture. But it was down to the rivets, so yeah it was shot.
Baling wire the remaining shims to the other you-pull spare and on the shelf it went... next to the spare 706s, spare alternator, rockers and lifter trays and accelerator pedal and tac modules.
So i did what any red blooded midwesterner would do.... i went to the you-pull and grabbed a couple for 18 bucks. Shims and all. Installed, measure, remove, change shims, reinstall, measure. Good at .022 inches. Cycle a dozen times to make sure all is good and ac works great. Already tossed the old one before i thought about taking a picture. But it was down to the rivets, so yeah it was shot.
Baling wire the remaining shims to the other you-pull spare and on the shelf it went... next to the spare 706s, spare alternator, rockers and lifter trays and accelerator pedal and tac modules.
Yeah my spares collection started with my warped/needing magnefluxed 862s and next will be my take-off front lower arms lol.
It feels silly but if the heads magneflux I could totally see just stripping them and painting them too and using them instead for the final set on what I'm building lol. Ultimately that depends on if I can afford having 2" valves installed because doing so negates literally the last of what I did to the ones on it now lol.
Fwiw I found a new way to find the air gap lol.
Grease the splines with copper antiseize, test fit the clutch disk with zero shims in place. Measure the grease at the bottom and eyeball an additional 22 thou..
I gave it a test wiggle as I was assembling it and it feels perfect. Shims used on A-Premium were the one thiccboi and one of the thin ones...
Two thin ones wobbles, just the thicc boy is the exact contact gap, and three thin shims is less than the gap of grease packed in the bottom after test fitting.
Basically I found a plastigauge ass way to do this measurement lol.
Plasticine clay and the wire out the bottom of a caliper would be fire here lol. Would give me a number instead of "looka 'bout rite hoss can't be any other combo provided lool"
Lol all of this is to say... Idk where the three pairs of feelers I own went after I did my head shenanigans I have every imaginable feeler and could literally check in three places *simultaneously* but what the hell I am % it is correct it literally can not be any other combination of the provided shims lol.
My guess is as it wears you can pull out the one thin shim lol
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