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#1601909 06/30/06 07:07 PM
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YA YA YA I know I have been gone for awhile but...
I just replaced my thermo and now my high speed fan will not turn off when the car is running. I will start the car, fan will be off, will warm up and wamo the high speed fan will stay on even in 50�º weather like this morning (earlyyyy) Its been like this for a few days now. Also, I got the stock thermo, the engine temp gauge reads on the O of normal, and the A/C is off. Any suggestions?


1998.5 SVT contour #5979 3L 1995 Mercury Mystique 2.5L auto, all ghetto fo sho
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Perhaps that sounds familiar?


'99 CSVT - Silver #222/276 In a constant state of blow-off euphoria.
Originally posted by Kremitthefrog:
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Kinda, cept mine does not turn off at all. I am going to make a run into town and then ill start pulling stuff from it. Ill reset the comp first before I go and see what that does


1998.5 SVT contour #5979 3L 1995 Mercury Mystique 2.5L auto, all ghetto fo sho
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Pulled fuse 4 and 11 waited a min then went into town (about 15 mins in 80�º weather) no high speed fan. Come home, still no high speed fan, car ran at the O in normal again. Pull in the garage, turn on the A/C no high speed fan but the low speed is on. Turned off A/C high speed fan turns on. Shut the car off. Restart the car, high speed fan comes on, turn A/C on high speed still on, turn off A/C still on. Shut the car off. Restart car once again, no high speed fan, turn on A/C again no high speed fan (leave A/C on for 20 sec), turn A/C off still no high speed fan.

Boy am I confused.


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My cooling fans operate like this:

Cold engine, no a/c NO cooling fan

Cold engine, a/c on, Low fan speed

Engine Temperature at M on scale a while will trigger Low speed if a/c is off

Temp at M and A/C on may trigger high speed fan

Hot weather, 85 degrees, hot motor and A/C on will cause high fan to cycle alternately with low fan, pressure in a/c varies, high pressure=high fan

Might run on steady high in hot day slow traffic (I have not seen this)

I think your system is OK!



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