Question about 1997 Buick Park Avenue

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A/c blows hot

Ac is always blowing hot air no matter what setting it is on.. it blows hot air mostlycoming out at drivers feet even when a/c isoff...how can i fix this issue myself?? thanks for the help

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  • gr8sk812385 May 15, 2009

    thank you i have tried filling it...the passanger side cools off a little but not cold...driverside doesnt cool of any though

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  • 1,959 Answers

Your car is low on refrigerant.

  1. Your system requires R-134A refrigerant which is available at most auto parts stores.
  2. You will also need a hose to connect the refrigerant to the AC system.
  3. You will need to locate the low side AC fitting (looks like a nipple)
  4. With the car running and the AC turned on high, attach the hose to the AC fitting,
  5. attach a can of refrigerant to the other end of the hose.
  6. Turn the screw on the hose to puncture the top of the refrigerant.
  7. Move the can back and forth until the refrigerant is empty.
  8. Detach the hose from the AC system.
Check to see if frost forms on the AC lines under the hood and cool air blowing from the vents inside. If the air isn't cold enough, add another can of refrigerant.
CAUTION: Do not overfill the system. If the system doesn't "**** in" the refrigerant, the compressor needs resetting (disconnect battery 5 min in GM cars and trucks)
I hope this solves your AC issue. All the best!
Greg

Posted on May 14, 2009

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