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1999 Oldsmobile Cutlass engine cooling fan

Tiny
RICHARD FINDLEY
  • MEMBER
  • 1999 OLDSMOBILE CUTLASS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 135,000 MILES
The fan does not kick on when it suppose to at all. The only way it will turn on is when I unplug the thermostat sensor.
i replace all the relays and the thermostat sensor and tested the fan motors.
what should I do?
Friday, April 23rd, 2010 AT 8:44 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,867 POSTS
Check the PCM. The temp sensor sends a signal to it and then it goes to the relay and to the fan. Also, make sure there are no damaged wires.

Let me know what you find.
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Wednesday, May 19th, 2010 AT 9:45 AM

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