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Overheating at idle 200

posted by  Smitty on  Thu Aug 22 11:57 CST 2002
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last visit: Sat Aug 9 22:44 CST 2014
[RELATED]

One small mod which may help is to jumper across the pressure switch which tutrns on the pusher fan in front of the rad. (Frequent contributor Chris Herbst has mentioned this in several posts.) Find the switch on the passenger side frame rail just aft of the radiator. Remove the connector, and make a jumper from decent-gauge copper wire. Tape it up and stow the now-loose end. Tape up the end of the pressure switch as well to keep it clean in case you want to restore things to original condition someday. Your pusher fan will now run whenever the AC is switched on, which may not cure your condition but ought to help a bit.

Also I second the opinion in other posts about replacing the thermostat. It's too cheap a component to have a great deal of reliability built into it.






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