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1997 Mercury Marquis Compressor

Tiny
MATHESO7
  • MEMBER
  • 1997 MERCURY MARQUIS
  • V8
  • 2WD
  • AUTOMATIC
  • 135,000 MILES
I am having problems with my A/C Compressor. I recharged the system with R-134a. The compressor finally kicked in, but only works for about 5 seconds then cuts off. About 20 seconds later it starts again, then cuts off. I do not hear any squealing from the belts, and the compressor sounds ok when turning. Do I have a bad clutch, or is there a bad sensor somewhere. Also, it blows very hot air when on Max A/C. Thanks
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Tuesday, May 25th, 2010 AT 2:14 PM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Was system vaccumed down before charging?
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Wednesday, May 26th, 2010 AT 1:32 PM
Tiny
MATHESO7
  • MEMBER
  • 2 POSTS
I did not vacuum the system, just added about 11oz. To the system.
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Wednesday, May 26th, 2010 AT 2:47 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
What are low and high side pressures?
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Thursday, May 27th, 2010 AT 11:57 AM

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