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A/C works sporadically

Tiny
RTODDJOHN
  • MEMBER
  • 2000 VOLVO S70
  • 108,000 MILES
I have a 2000 Volvo S70, non turbo. When I turn on the A/C, it runs cold for a few minutes, then gets cool and then warm. If I turn the A/C off for a few minutes and then turn it back on, the air is cold, but the pattern repeats itself. What is wrong and what do aai need to do to fix it?
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Sunday, June 24th, 2012 AT 11:12 PM

4 Replies

Tiny
IMPALASS
  • MECHANIC
  • 3,112 POSTS
Does it get warm when you are at a stop say sitting at a stop light or while you are driving
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Sunday, June 24th, 2012 AT 11:31 PM
Tiny
RTODDJOHN
  • MEMBER
  • 3 POSTS
While driving. It seems to be a function of time, not engine speed. Although I have noticed that sometimes it will stay cold for quite a while (10 - 15 minutes) befoe it starts the cycle again.
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Monday, June 25th, 2012 AT 2:35 AM
Tiny
RTODDJOHN
  • MEMBER
  • 3 POSTS
The times it stays cold seem to be while on the highway, not local streets.
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Monday, June 25th, 2012 AT 2:37 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The AC system could be freezing up or the air blend door actuator is acting-up and malfunctioning HVAC control module
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Monday, June 25th, 2012 AT 2:51 AM

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