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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

AC compressor clutch

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Old Jul 10, 2024 | 03:03 PM
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AC compressor clutch

AC compressor clutch went out on the 88 F150 300-6 with factory air. All original AC parts, was told only the clutch would need to be replaced, but i can’t seem to find one? Anyone know the original part number for these compressors/ clutches? Thanks
 
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Old Jul 10, 2024 | 03:13 PM
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Where did you look?
I cant remember if I got mine from a local parts store or Rock Auto, think Rock.
Thing is mine was for a V beltbut I would think easier for a serp belt as there were more trucks with that compressor and serp belt.
Dave ----
 
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Old Jul 10, 2024 | 03:30 PM
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Originally Posted by FuzzFace2
Where did you look?
I cant remember if I got mine from a local parts store or Rock Auto, think Rock.
Thing is mine was for a V beltbut I would think easier for a serp belt as there were more trucks with that compressor and serp belt.
Dave ----
To be fair, I only checked with the slow Joes at autozone and oreillys
 
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Old Jul 10, 2024 | 03:51 PM
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https://www.oreillyauto.com/shop/b/air-conditioning---heating/compressors---clutch/a-c-compressor-clutch/94d46f8c1ff2/v/a/5300/automotive-truck-1988-ford-f-150?q=a%2Fc+clutch

https://www.autozone.com/cooling-hea...essor%20clutch

https://www.rockauto.com/en/catalog/ford,1988,e-150,4.9l+300cid+l6,1111543,heat+&+air+conditioning ,a/c+compressor+clutch+assembly,6572

Must not have looked too hard as I found them.
Dave ----
 
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Old Jul 10, 2024 | 04:20 PM
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At that point, just go through the system. BTDT. especially at that price
 
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Old Jul 10, 2024 | 04:22 PM
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Originally Posted by Hit Man X
At that point, just go through the system. BTDT. especially at that price
What do you mean by BTDT?
 
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Old Jul 10, 2024 | 04:25 PM
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Also another question is how do I know which compressor I have? Since the clutches mate to their specific compressors.
 
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Old Jul 10, 2024 | 04:25 PM
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Been there, done that. It was on an '05 CRV with a K24. I would never again put $100 into an unknown age compressor.

Seeing on a 4.9 you have a lot of hassle to R&R the thing.
 
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Old Jul 10, 2024 | 04:27 PM
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88 should have the FS6, at least V8s. Remember, you also have near 40 year old rubber hoses that are junk too.

I know it is not what you want to hear, but I would 100% not mess with any of the old junk and fully replace the system.
 
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Old Jul 11, 2024 | 04:00 AM
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Originally Posted by Hit Man X
88 should have the FS6, at least V8s. Remember, you also have near 40 year old rubber hoses that are junk too.

I know it is not what you want to hear, but I would 100% not mess with any of the old junk and fully replace the system.
I disagree. If the system was working correctly other than the pulley bearing failure then I would only replace the clutch, pulley and field coil.
 
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Old Jul 11, 2024 | 05:14 AM
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Agreed, no absolute reason to replace the compressor yet
However, sometimes the hub melts because the compressor is failing
Have a Ford dealer parts department tell you the obsolete clutch hub and pulley part numbers and the field coil too (it might have melted as well)
Then check Ebay for NOS parts
I at one time had a few of them for sale on Ebay
Sold most of them
I doubt I have any old FS6 hub parts left, but come up with a part number and I will check
Pull that hub off and check the spline count, the early ones had less splines.
 
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Old Jul 11, 2024 | 12:54 PM
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Are we not looking at same photo? That has melted rubber on its face. If you really think just a clutch is able to fix it, go for it.

Go pull the FOT and report back what it looks like with a picture.
 
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Old Jul 11, 2024 | 04:30 PM
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Originally Posted by Hit Man X
Are we not looking at same photo? That has melted rubber on its face. If you really think just a clutch is able to fix it, go for it.

Go pull the FOT and report back what it looks like with a picture.
Who was your question directed toward? What is a “FOT?”
 
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Old Jul 11, 2024 | 04:45 PM
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We is plural for everyone here involved in this thread.

FOT is a fixed orifice tube.

Any comp I have clutch slapped has already lived its useful service life and often make a few more years before their time is over. A compressor from 1988 is far beyond that time.

That thing obviously became beyond hot to melt all the rubber out. Who knows what other damage happened internally to it during that.
 
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Old Jul 11, 2024 | 04:52 PM
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That looks rough!

Last time I saw a compressor clutch melted like that was because the the compressor itself was locked down. Might want to check and see if you can turn it without the belt on it.
 
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