Chevy Astro AC problems

Tiny
MARC
  • MEMBER
  • 2000 CHEVROLET ASTRO
I have a 2000 chevy astro and the ac isnt blowing. I figured out the compressor clutch wasnt kicking in, I checked the two pin plug going to the compressor clutch and there wasnt 12 volts. I checked the fuse and the ac relay and they were fine, I checked the low pressure switch and it read continuity, I dont know where to go from here ive also checked the contacts on the selector switch because the fan only blows semi cold air int he lo and medium positions but nothing in high?
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Tuesday, November 23rd, 2010 AT 4:37 AM

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Tiny
RASMATAZ
  • MEMBER
Next step is hook-up the manifold gauges and check if it needs freon-could also be the magnetic clutch
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Tuesday, November 23rd, 2010 AT 5:26 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Okay, it sounds like you may have two problems. First, have you checked the freon level in the system? If it is too low, the compressor will not engage. If it is good, have check the cycle switch.

Next, are you saying the blower motor doesn't work on high?

Let me know.
Joe
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Tuesday, November 23rd, 2010 AT 5:27 AM

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