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1997 Pontiac Grand Prix A/C clutch fuse blows

Tiny
ARCHEMEDES
  • MEMBER
  • 1997 PONTIAC GRAND PRIX
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 170,000 MILES
Lost A/C while driving, diagnosed as blown clutch fuse, replace fuse, clutch engages, but turns slowly, then fuse pops. I am trying to figure out if on the grand prix clutch can it be bad, or is that the compressor locking up?
Thursday, June 3rd, 2010 AT 6:41 PM

7 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
First of all thank you so much for the donation. See if the center of the clutch moves freely?With the year and mileage of your car your probably better off changing the a/c compressor and clutch all together. Let me know what you find.
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Thursday, June 3rd, 2010 AT 7:02 PM
Tiny
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I can spin it by hand, but feels pretty tight, I figured that was the diagnosis, but didn't want to spend $500 if it just needed a $20 bearing
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Thursday, June 3rd, 2010 AT 7:10 PM
Tiny
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  • MECHANIC
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What model grand prix and engine size do you have?Let me know.
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Thursday, June 3rd, 2010 AT 7:14 PM
Tiny
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It's a GTP with the 3.8 s/c engine
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Thursday, June 3rd, 2010 AT 7:21 PM
Tiny
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  • MECHANIC
  • 30,870 POSTS
I found a complete compressor for 177.00 plus 9.00 core plus shipping at www. Rockauto. Com. If you have anymore questions let me know. Thanks again for the donation and thank you for using 2carpros.
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Thursday, June 3rd, 2010 AT 7:41 PM
Tiny
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Went back out today, and tried a different angle of attack, compressor turns by hand same as one on in laws 01 buick that works fine. With engine running it is not blowing the fuse now, but clutch spins fast about 1 to 1.5 revolutions then stalls for a second, but not as if disengaging, looks like sticking. I spoke to a dealer tech, and he said he's never replaced one of this type for failure except for leakage.
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Friday, June 4th, 2010 AT 4:43 PM
Tiny
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  • MECHANIC
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If your saying the clutch is bad and the compressor is good then just replace the clutch if the compressor spins freely your ok. Especially if the dealer says the compressor's don't fail often.I would replace the whole clutch though not just the bearing. Let me know if you have any more question's.
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Friday, June 4th, 2010 AT 5:20 PM

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