WHAT CAUSES THE MOTOR TO SHUT OFF WHEN YOU TURN ON THE AIR CONDITIONER, HEATER OR DEFROST?

  • Tiny
  • re08
  • 1997 Chevrolet Astro

This afternoon I started the van and it was running fine. I turned on the defrost and it made a squeeling noise and as I was driving the engine shut off. Turned the defrost off and the van will run fine, but as soon as you turn it back on it boggs the motor down.

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Wednesday, November 2nd, 2011 AT 12:04 AM

1 Reply

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,556 posts

The ac compressor may be locking up as it comes on with the defroster and may be seizing. Have it checked to verify.

Roy

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Wednesday, November 2nd, 2011 AT 12:29 AM

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