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When i start engine why the fan do not rotate?

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If you're talking about the coolant fan under the hood, it is thermostatically controled, and will not turn on until the engine reaches a predetermined temp, which is programmed into the pcm. It will usually also come on if the ac is engaged.

Posted on Jan 03, 2011


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My fan is not moving when i start my engine. It's the fan near the radiator?

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89 toyota sr5 v6 4x4 automatic will not shift into O/D. Thebutton for O/D clicks and dash light comes on but it is not doing shifting.

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My protege 94 leaks black smoke from engine after traveling 1 or 2 mile. When I see cooling fan after starting engine, it does not rotate. what might be the possible cause.

The fan does not rotate all the time.
Temp. senor provide reading to the computer ECU and it will trigger a fan relay to turn on the fan.
The three leakable items are
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coolant temperture sensor
valve cover gasket.
Clean out the motor with cleanser when it's cold.
Start it up and look for the location of the leak(s),
Please post more info on the comment window.
I will follow up on it.

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2001 jimmy

If your truck is equipped with a clutch fan, the clutch may not be working properly.Start your truck and let it get to operating temp. and shut it off, the fan should stop rotating when the engine stops. If it continues to rotate, then the clutch is not working properly.

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