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2000 Volvo V70 air conditioning stops after a while

Tiny
CRISTINA_SILVIA
  • MEMBER
  • 2000 VOLVO V70
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
My air contitioning starts when I start the car, works for a while then stops cooling. If I stop the air for a while (10 min) and start again is blowing cold air again. Is douing this more often when I drive inside towne (lot of stops) and less on highway. The air thet is blowing in general is not so cold (is not ice cold).
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Sunday, September 6th, 2009 AT 9:39 AM

1 Reply

Tiny
JIS001
  • MECHANIC
  • 3,411 POSTS
You need to take it in to a shop for proper diagnosis. When the A/C quits they would need to check for power to the compressor. If there is power then the A/C clutch is bad and you will need to have it replaced. If there is no power then they would need to check the electrical side for a bad relay, maybe a bad pressure switch, or worse case scenario the engine control module could be going bad. But from experiance the most likely cause is the compressor clutch. If you can, have the gap clearance measured. If it is more then 0.5mm wide then the clutch needs to be replaced and adjuted. Spec is 0.3mm to 0.5mm
Good luck and hope this helps.
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Sunday, September 6th, 2009 AT 11:18 PM

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