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Air conditioning

Tiny
PAT BROWN
  • MEMBER
  • VOLVO 740
? We just picked up a 91 Volvo 740 turbo and we can't get the air cold. The pressure seems to OK but the pump cycles on and off about every 15 seconds, tso the pressure is only sustained for very short periods. Any ideas
Monday, July 3rd, 2006 AT 5:17 PM

2 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Cycling switch or the pressure is too low
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Tuesday, September 12th, 2006 AT 5:30 PM
Tiny
MRTANGOGUY
  • MEMBER
  • 11 POSTS
You should service the system to make sure you have about 2.0 lbs. Of 134A freon in the system and of course check for leaks
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Tuesday, December 4th, 2007 AT 4:33 PM

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