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A/C clutch replacement.

Discussion in 'A/C & Heater systems - HVAC' started by rizzjc, July 18, 2009.

^^Searches ExplorerForum.com^^





  1. samish

    samish Guest

    Thank for both of your reply.

    I'll check under my hood and the links.

    Sam
     
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  3. samish

    samish Guest

    Explorer, Ranger, A/C & Heater systems HVAC

    Hi, I found it. It is next to the pump relay. Since it looks the same, both relays, I swapped them. It make no different. The clutch cycle 2-3 seconds at a time, off and on, no matter which one of the relay I put on. I can hear the click inside the relay when the clutch cycled. Is this mean the relay still working? If it is, how can I test the clutch? Do you thing I need some freeon. Noticed when the clutch turns, I go some cool air. thx. Sam
     
  4. rizzjc

    rizzjc Scubajoe - Radio Mod Staff Member Moderator Elite Explorer

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    Yes, that's the same thing I did. But I also checked the pressure and added some freon, and it's all good. Still cycles too fast, until it gets hot enough outside that it doesn't need to cycle at all. Occasionally though, it just shuts off. I turn off the AC and wait a minute or two, and turn it back on, and it's fine again for a while. I'm starting to suspect the temp sensor on the heat exchanger, but I don't know if that external or internal, or where it is.
     
  5. samish

    samish Guest

    Explorer, Ranger, A/C & Heater systems HVAC

    Thanks. I took another exact relay from the towing slot which I don't need, put it on to the AC clutch slot. The clutch still going off/on. I'm going to get some freon and charge it in and see what happen. If not, I'm going to replace the clutch as you did. Will update this once I'm done.
     
  6. rizzjc

    rizzjc Scubajoe - Radio Mod Staff Member Moderator Elite Explorer

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    The fast cycle isn't going to be because of the clutch.
     
  7. TheJackal

    TheJackal Well-Known Member

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    I might have to replace mine soon and am curious about this too... It'd be nice to be able to replace the clutch without removing the compressor, but I hope that doing it this way won't strip threads off anything... :(
     
  8. rizzjc

    rizzjc Scubajoe - Radio Mod Staff Member Moderator Elite Explorer

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    Didn't for me. Nice and gentle. It actually doesn't take a lot of force, but it gets the job done.
     
  9. Tbars4

    Tbars4 Moderator Emeritus Elite In Memoriam

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    ...I second it being nice and gentle...You are just using the old part as a specialty tool that you would normally rent..;)
     
  10. TheJackal

    TheJackal Well-Known Member

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    Cool, thanx guys. :thumbsup:

    Gotta add this to the list of things that need to get done... :D
     
  11. Ziggie

    Ziggie New Member

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    AC Clutch replacement

    Howdy Rizzjc! You are my favorite guy today! Your instruction on the AC clutch replacement were right on! It's a real bugger, but you gave me faith that I could do it. My hubby gave up screaming after the first half hour, but the bearing on our pulley had granaded making it so much worse, so I give him a pass. I have a little more patience because I am used to working on my Jag, (everything needs a shoehorn in there). So anyway, I love this forum, and I love you guys. Thank you VERY MUCH!

    P.S. I have also found great info on this site for replacing my lower ball joints which worked like a dream, and a quick fix for the blender door if it acts up again.;)
     
  12. rizzjc

    rizzjc Scubajoe - Radio Mod Staff Member Moderator Elite Explorer

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    Glad you got it working, but it's a group effort! :) Now if I could figure out why the AC is cycling too often, and then not always turning on (still), I'd be happy, but mostly it works. Unfortunately my rear main seal blew, so I can't drive the truck much until I fix that ... and I really don't want to do it.
     
  13. NewShockerGuy

    NewShockerGuy New Member

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    Sorry to bump an old thread but every forum i'm on they say to search... so this is what popped up..

    Where did you get your clutch replacement and what brand did you go with...


    I see three different ones on RockAuto rangeing from $50 all the way up to $120... did it also come with shims?

    Thanks,
    -Nigel
     
  14. rizzjc

    rizzjc Scubajoe - Radio Mod Staff Member Moderator Elite Explorer

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    I think I just picked it up at the local auto parts store, but that was a while back.
     
  15. BrooklynBay

    BrooklynBay Moderator & long time member. Staff Member Moderator Elite Explorer

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  16. tac40

    tac40 Elite Explorer

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    Thanks for the info. I just finished doing this on my '97 (without removing the compressor or opening the system). The trouble I had was getting the coil completely seated without the bolt stripping/breaking. I was able to get it pressed on within about 3/16" of where it was supposed to go but that's it.

    I found a way to gain just enough access to it from the front of the vehicle through an existing hole in the radiator core support. I placed a 4" PVC clean-out plug on the coil assembly and used a long 1/2"-drive extension and a few light taps with a hammer. This drove it the rest of the way on to the compressor. Had to first pull the grill and loosen the radiator to do it, but here's how:

    --mike
     

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  17. rizzjc

    rizzjc Scubajoe - Radio Mod Staff Member Moderator Elite Explorer

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    Great tip! I've fought with that one myself.
     
  18. daffy

    daffy Active Member

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    On my 2000, the field coil still works fine, just the bearings are shot, and the pulley is really wobbly. Do you think I could just swap the pulley / bearings, and leave the current field coil (which seems to be the hardest part of this job)?

    I'd be willing to shell out the extra $$$ for the Ford part, if it out be that easy...
     
  19. SoHK_alumni

    SoHK_alumni Active Member

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    No reason not to reuse the coil. Pull a used clutch at a u-pull-it and use that, or pull the pulley, match up the bearing and just replace that.

    Third option, there are auto a/c suppliers that sell the components, just buy a pulley, or pulley bearing from one of them.
     
  20. rizzjc

    rizzjc Scubajoe - Radio Mod Staff Member Moderator Elite Explorer

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    You have to be careful because some odd the aftermarket parts don't fit the same, so you'd have to replace both parts. I don't recall the pulley being replaceable without pulling the cool off.
     
  21. daffy

    daffy Active Member

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    I ended up using SoHK_alumni's suggestion, $4 at a u-pull gets me a new(er) OEM pulley + clutch. Nice and quiet now.

    I figure my 201,000+ mile ex won't survive another one, but if it does, it's an easy enough swap without the coil.
     

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