electric fan override?
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Northstar Engines and System Technical Discussion Discussion, electric fan override? in Cadillac Engine Technical Discussion; My car has been running hot recently cus ive been doing alot of stop and go driving. I wanna know ...
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    AKPsiMC03's Avatar
    AKPsiMC03 is offline Cadillac Owners Enthusiast
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    electric fan override?

    My car has been running hot recently cus ive been doing alot of stop and go driving. I wanna know is there a way i can wire in a switch to manually turn on the second fan when it gets warm? this fan will only turn on when the AC is on.

    and at what temp does the other fan turn on? is it 220 like most other GM electric fans?

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    Katshot's Avatar
    Katshot is offline Cadillac Owners Master
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    At Idle, with A/C "OFF", I believe the Primary Fan is set to 225 deg. F and the Secondary Fan is set to 232 deg. F

    Hope that helps.

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    AKPsiMC03 is offline Cadillac Owners Enthusiast
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    how can i make them come on lower? I dont like the idea of an aluminum engine getting that hot before the fan goes on... esspecially if im in hot traffic or pushing the car hard.

    I overheatted one car once and boiled the coolant... and i DONT wanna do it again.

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    Katshot's Avatar
    Katshot is offline Cadillac Owners Master
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    You CAN "back-door" the relays but you REALLY don't need to. The engine is designed to run at those temps. The mod is easy and there's even fan control kits available in parts stores.

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