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IN NEED OF HELP!!! IDK WHAT ELSE 2 DO

lilbronsonboy on Wed July 08, 2009 11:29 PM User is offline

Year: 2002
Make: Chevy
Model: Cav Z24
Engine Size: 2.4
Refrigerant Type: 134a

Ok, so as u can see, i'm baffeled over my ac....I can hear the pump kick on and run....i ran a leak test...it holds freon...the lines even get cold!! but the only air that comes out of my vents is hot air!!! wtf!! even when my car is at normal running temp...only warm air comes out my vents....but the ac lines r ice cold....any help?!?!? PLEASE

Chick on Thu July 09, 2009 7:22 AM User is offlineView users profile

If the suction line is ICE COLD, check for a blend door problrm, what was done to the car before it began blowing hot air? any work under the dash? Or hood?

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Chick
Email: Chick

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Freedoms just another word for nothing left to lose

daman on Fri July 10, 2009 9:40 PM User is offlineView users profile

Blend door,you probably lost vacuum that runs the puller motor,had that problem on my '00 sunfire.

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'00 Pontiac Sunfire 2200 I4 SFI
'99 Chevy 4x4 Z-71 5.7 Vortec v8 CPFI
'97 Chevy 4x4 6.5 Turbo Diesel 2500
'95 Pontiac Grand Am GT 3100 v6 SFI
'88 Chevrolet Camaro IROC 5.7 TPI(49,000 original miles)

GM Tech on Fri July 10, 2009 10:39 PM User is offline

No temp door I know of uses vacuum- either cable or electric actuator-- look for loose cable- or bad actuator- take either loose- move temp door by hand.....see if it shuts off at either full cold and full hot....

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The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......

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