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Cooling Fan

wayne 318

By wayne 318,
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wayne 318 Explorer

wayne 318

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I have just changed the header tank on me motor and now the fan comes on when the car is still cold and stays on all the time.I have bled it all three times just incase. Any ideas :unsure:

Guest Mister Dabsy

Guest Mister Dabsy

Posted
Posted

Do you have a warning on the dash? Does the header have a sensor (if it does, is it connected)?

wayne 318 Explorer

wayne 318

Posted
  • Author
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cheers for reply. There is no warning light on dash. the only sensor on header tank is a level sensor. can you give me some advice on how to bleed it the correct way i have tryed it three times. i have only bled the top bleed screw. Is there another way ?

Guest Mister Dabsy

Guest Mister Dabsy

Posted
Posted

Yes... Put her front-end on ramps and re-bleed, first with cap off (while the coolant is cold) then again with cap on and use the bleed screw frequently... BTW set your in-car heater to max and full blow to help circulation !

Hope this helps.

wayne 318 Explorer

wayne 318

Posted
  • Author
Posted

Hello every bod peeps. today i bled agian not on ramps thought.Nothing changed as soon as i start car fans on. Both hoses feel fine hot and hard !Removed! on! This only happend fi i put new header tank on but iam at a loss heater is nice and hot. It cant be electical all ive done is change header clear water fi bleeder. At my wits end wi this f**kin car. the ultimate driving machine my #####

G4VHD Grand Master

G4VHD

Posted
Posted

Mate I have no idea on your car. I think andy-mcq changed one recenty, he should be around soon.

  • 2 weeks later...
Beeemeeer328i Apprentice

Beeemeeer328i

Posted
Posted

sounds like a bad airlock or fan swich on the rad ,if you have a mutimeter test the resistance and see if it is the same as whats in the haynes manual or autodata ,but to bleed it properly take the cap off the rad rev the car to 2000rpm (fast idle) and let all the air purge out of the header tank also dont let the headertank empty out coz you'll be back to square one

Beeemeeer328i Apprentice

Beeemeeer328i

Posted
Posted

and keep the heater on full , the bleeding process is a pain in the !Removed! and it can take awhile but once done proplery it might be all right ,hope this helps ya m8

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