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Faclutch Hmmmmmn

Old 09-03-2018, 09:01 AM
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Faclutch Hmmmmmn

Been chasing down a fueIl consumption issue on a 93 V6 mini camper. Nothing wrong, no codes, runs great, plenty of power, no miss, nothing.

I started to suspect the fan clutch not disengaging the way it should, not locked up. but maybe not releasing either. This is tough when you are from the school of the mechanically disinclined and 98% of the stuff online is for overheating issues caused by failed fan clutch.

I detest throwing parts at a problem, but a new fan clutch is much cheaper than a trip to a mechanic who may know less than me..

I pull the old clutch and it is loaded with stress cracks, some all the way through, new one on me! Anyone had a fan clutch blow up??

Don't know if this is the fuel issue have not drove yet.




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Old 09-03-2018, 11:12 AM
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I might see one crack in your second image, but it is not clear what that image is of??? The plastic fan???

The lines in the first image are casting/molding flaws, and it is likely that a new clutch will look no different.
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Old 09-03-2018, 12:17 PM
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Pic of a new clutch (22RE), it shows casting/molding flaws also:



and here:
https://22reperformance.com/22re-cooling/fan-clutch
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Old 09-03-2018, 04:48 PM
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2nd photo is inside of fan clutch. These are not casting marks, some go all the way through and are ozzing silicone
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Old 09-03-2018, 06:24 PM
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Originally Posted by jjrbus View Post
...I detest throwing parts at a problem, but a new fan clutch is much cheaper than a trip to a mechanic who may know less than me..
Same here. My new Aisin fan clutch was reasonably priced.
If oozing silicone, definitely needs a replacement. One of my posts also compares "loose" vs good liquid coupling. "Loose" is the opposite of too tight which could cause low MPG.
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Old 09-04-2018, 03:47 AM
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if your fan clutch is oozing silicone, you wouldn't be wasting money by throwing parts at it if you replace it. maybe i misread the intent of your statement.
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Old 09-04-2018, 04:47 PM
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maybe dust/hose it off to show what you are seeing.

outside is dirty as hell. most of the toyota junk I have had over the years shows some sort of flaw
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