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How to replace A/C Compressor Clutch

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Old 05-19-2007, 06:42 PM
ebraunusa ebraunusa is offline
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How to replace A/C Compressor Clutch

Hello --

I have a 98 Expedition, with a 4.6L. The A/C runs great, but the clutch is making a clanking noise. I looked at the A/C compressor and the clutch and the 5" circular plate is just hanging in there and it is not tight anymore. I can move it around with my hand. There are 3 posts that each one goes thru a 1" circle hole.

When I turn on the a/c, the ac blows nice and cold, it just makes a banging noise.

So, I figure I just need to replace the clutch. Is that correct?

Is that an easy job? It looks like it there is a 8mm bolt in the middle that holds on the pulley. Do I just need to take that off and does it pull out? Do I need any puller?

Thanks
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Old 05-20-2007, 03:21 PM
aagitch aagitch is offline
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Is it making a constant banging noise or just when you engage it? If it's only when you engage it, I would leave it alone. Some compressors on these engines are known to make clank noises on engagement.
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Old 05-25-2007, 12:37 PM
ebraunusa ebraunusa is offline
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Bad clutch -- fixed

Hi all --

It was pretty easy fixing the clutch. The seal on the inner bearing broke and that was making it rattle. To fix it I did the following:
  1. Take off the belt
  2. unscrew the 8 mm bolt
  3. the front the of the pully comes off.
  4. Remove the snap ring holding the pulley
  5. Pulley slides off.

I did the reverse order and put it back together. It took me about 40 minutes to change it out and it was my first time doing something like this.

Good luck
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Old 05-25-2007, 12:37 PM
 
 
 
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