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Aircondition problem

Tiny
AGERAMI
  • MEMBER
  • 1999 CHEVROLET SUBURBAN
  • V8
  • FWD
  • AUTOMATIC
  • 1,700,000 MILES
99 chevy suburban only my front ac vents blow cold, the ones in the back are only blowing hot air. What could be the reason why?
Monday, July 18th, 2011 AT 3:58 PM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Suspect faulty expansion valve for rear unit
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Monday, July 18th, 2011 AT 4:50 PM
Tiny
AGERAMI
  • MEMBER
  • 2 POSTS
Thanks I will check that out.
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Monday, July 18th, 2011 AT 5:31 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
See diagram if cold to expansion valve but warm on EVAP inlet the stuck shut
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Monday, July 18th, 2011 AT 5:43 PM

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