So if I check it tomorrow and that triangular plate doesn't spin when the AC is turned on, what do I do then??

 

Bringing this one back to the top. My clutch has a slight rattle and I can't tell from this thread if you can "fix" a clutch separation issue? Is this what the bearing fixes? It's just barely making noise, but if the fix is cheap enough I may go after it. Thanks.

Micah

 

there is usually an inline low pressure sensor that goes bad (acting like it's low on freon and forbids the compressor to engage). Some can be adjusted, just not sure about on these trucks. If you find the sensor, unplug the connector and see a set screw inside, it should be able to be adjusted

 

Replace the hub assembly with a new Motorcraft part before it gets worse.

You know, that was seven months ago....

 

Ok, thanks. Do you know if there is room to do this with the compressor mounted on the vehicle? Also, any idea roughly how much this part costs (or a part number by chance?) Thanks again for the help.

 

Yes, it can be replaced in 10 minutes in-vehicle. Around $50 or less from RockAuto. Look up part number at motorcraft.com

 

Actually, NO... I did not look at the post date, but the end result is the same. MY BAD

 

Hey, was just about to buy a new compressor so I was searching on here about whether or not I can possibly pull the clutch components off while it is still on the truck to see if perhaps that is the problem. This way, if it is then it will save me from wasting the refrigerant and trouble removing/replacing the whole thing and having to recharge etc.

What caught my attention especially tho is this website, I know a parts guy at a local dealer that gives me the discount that shops with charge accounts receive but that tousley place still shows to be considerably cheaper! Have a lot of you guys ordered off there? Good experiences? Any trouble with them shipping parts or anything I should be aware of before dropping a few bills? Any feedback would be much appreciated.

Also, can anyone tell me if all I need to replace the clutch components is a typical pulley set or is there some other specialty tool? A buddy that has done it a time or two in the past mentioned it was difficult to get the gap just right between the magnet and hub, anyone have any experience that could shed some light on the subject?

Thanks a ton!

 

For example, check out this mess... is all that crapola necessary for this or what?




Here is the Compressor clutch component diagram:

 

To replace the pulley and hub, you just need basic hand tools plus an inside snap ring piers, preferably with 90 degree tips. Wrench and a couple of flat tips is about it. The coil gets a lot harder if you have to replace it.

 

Ok and part #5 there, Disk and Hub Assembly, that should not be in two pieces correct? If so, then I believe I found my problem and should not even have to remove the pulley. because the triangular plate and the circular section on mine are in two seperate pieces...

 

Yep, your hub separated. Remove the hub and run the engine to ensure the pulley is okay. If so, get a new Motorcraft hub and replace it taking care to end up with an air gap around .015-.025"

 

Ok, thanks for the info man it is much appreciated!

Well, replaced the seperated hub and the AC kicks on but then the hub seems to look like it keeps catching and making a scraping sound like it's trying to turn but unable to. Looks like when it stops spinning it is not due to the clutch disengaging like normal operation but more like the part inside with the magnets that kick on and grab the hub when the clutch is engaged is the problem, like it isn' strong enough to keep a firm grip on the hub and so it hangs and gets caught up and then breaks free to spin with the pulley again and so on. When I raise the rpms the problem gets worse and does it more and more as I am steadily and slowly raising the rpms.

So my guess is that the seperated outer hub was not the cause of the problem initially but more likely a result of a failed clutch pulley causing it to wear out and come apart... I guess I'll go buy the whole pulley/clutch assembly set and hope that is the issue rather than something internal of the compressor itself.

Anyone suggest otherwise or think I ought to just replace the whole compressor or something to avoid having a pulley/clutch assembly I can't use because I ended up having to buy a compressor that included it anyway?

 

I find it hard that nobody has commented on CD1

I've got a noise issue with the compressor on my 2001 F150 super crew 5.4. It makes the noise when the A/C is on or the fan is set to Panel & Floor, Floor & Defrost, or Defrost. It does NOT do it when set to just Panel or just Floor.

I am having the problem above as well and also have a clutch on the ac that is also bad. If anyone can comment on the above it would be appreciated. It is a 10 second interval as well. Could it have anything to do with the vacuum?

 

well I changed my pulley and hub assembly today. The bearings were falling right out from the race what was left of it. This shut the old bitch up. I do have one question though, when the clutch engages it still makes a pretty pop. Is this signs that the clutch is going bad? I bought one today as well but didn't think that I need to replace it.