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A/C fan under hood

Tiny
SLEEPYRZ
  • MEMBER
  • 2000 CHEVROLET MONTE CARLO
  • 6 CYL
  • FWD
  • 170 MILES
2000 monte carlo v6
dual climate control
a/c charged
a/c switched to high/recirc
fan on high
radiator fans do not turn on until motor gets to middle of temp gauge then they shut back off when the motor is cool.
shouldnt they immediately turn on when I turn on a/c?
what tells the fans to turn on for the a/c?
it works normal to cool the engine but the a/c function isnt telling them to operate correctly
compressor is on and spinning
slightly cool air coming out of the vents
please help im in miami I am going to die in this heat
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Friday, May 13th, 2011 AT 4:47 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
This is a dual fan, 2 speed system. The PCM will set codes on a lot of fan issues so that is where you should be starting. You may just be missing low speed or there may be a problem with one of the pressure switches. You're probably going to need a good professional scan tool to diagnose this.
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Friday, May 13th, 2011 AT 5:30 PM

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