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2004 MERCURY SABLE
6 CYL
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QIANNA
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  • 1 POST
car jurks when ac is on like the transmission is slipping but dont do it when the ac is off
Jul 30, 2011 at 2:39 AM
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FIXITMR
  • ✓ASE Certified Mechanic
  • 9,990 POSTS
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did you find out what it is/was? could be compressor cycling on and off putting drag on engine? or is it a violent*****?
Oct 19, 2011 at 7:51 PM
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WRENCHTECH
  • ✓ASE Certified Mechanic
  • 20,761 POSTS
  • ASE Certified Mechanic
The A/C adds load to the engine which will make any issue more pronounced. Someone with experience needs to drive it to recognize what kind of issue it is before we could be any help.
Oct 19, 2011 at 8:29 PM
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