AFTER DRIVING APPROX. 12 MI. WITH AC ON IT OVERHEATS

  • Tiny
  • coffeeman
  • 1998 Nissan Pathfinder
  • 150,000 miles

Turn off ac then turn heater on and temp will come down-also new fan clutch, turn ac back on and it will overheat-when idling with ac on temp stays normal-leak test good-eng rns smooth and noises-what could be the problem.

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Friday, May 25th, 2012 AT 11:25 PM

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  • Tiny
  • mhpautos
  • Expert
  • 30,598 posts

Is the A/C condenser fan turning on with the A/C? Radiator core not part blocked? Excessive build op of litter between radiator and condenser causing diminished air flow? All should be checked first.

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Friday, May 25th, 2012 AT 11:28 PM

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