1989 Ford Station Wagon Air blows warm when engine under sl

Tiny
HENRY ACKELL
  • MEMBER
  • 1989 FORD STATION WAGON
  • V8
  • 2WD
  • AUTOMATIC
  • 106,789 MILES
My A/C system will only work well at idle condition. When the engine is even under the slightest load; the fan shuts off and the air becomes warm. Only after returning to idle or unloaded conditions does the system return to normal. I've checked the vacuum tank ( "coffee can") and that holds good vacuum; I was thinking the vacuum check valve may be bad but I wouldn't think that would effect fan speed. Any thoughts?
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Tuesday, August 24th, 2010 AT 2:02 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
Does the fan stop running or does the air flow direction change?
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Friday, November 5th, 2010 AT 8:14 AM

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