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Non Land Rover question, Its a Ford

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BigA:
Here is one for all you helpful mechanics.

I have recently replaced the clutch and bearing in the wifes Ford Focus 1.8TDCI. I wont go into that, i just hope i am not doing another one in a hurry.

Now, since its all been back together, all is running fine (i was surprised there) but the cooling fan is coming on straight away from cold, and after about 30 seconds kicking in full power?

I have checked that i plugged in all of the great number of connectors i had to undo. I have tried the HEC test and i dont get any DTC errors, and when i just ran it again, as far as i can tell it thinks the engine temp is 16C. I did not disconnect the head temperature sensor when doing the clutch (about the only thing on that side of the engine that was not disconnected) and as far as i understand this is the only temperature sensor used, as the fan is controlled from the ECU. I have also checked all the above with the heating and air con off.

Any pointers will be greatly appreciated as always, as this has now got personal. It could be worse i guess and the fan not coming on at all, but i would just like it to be correct.

cheers for now

Andy

Sharpshooter:
Well. Very strange. Firstly the temp sensor will think it is 16c as this is probably the ambient temp.

Secondly, my stepdad called me a while back to say the same thing with their Shogun. As soon as you turn it on the fans running. Went round, and turned out to be the Air Con fan.

Now, as you have managed to change a clutch im assuming you have some mechanical knowledge, and had eliminated that. Ill have a look on my autodata and see if it comes up with anything.  :lol:

bilge rat:
i'd guess at ambient air sensor too. usually around the front bumper area of the car , not knocked it off without knowing . ?. cant think of anything else..alan

BigA:

--- Quote from: Sharpshooter on November 08, 2008, 18:20:41 ---Now, as you have managed to change a clutch im assuming you have some mechanical knowledge

--- End quote ---

ahh, you dont know me  :lol: heh heh. As far as i can tell the aircon fan is not kicking in. Its just the cooling fan, then either spinning up faster, or air con coming on also, but i am sure its still the one fan.

bilge rat
  I thought the same thing, but i may be well off the mark, but the Focus fan is controlled by just the one sensor via the ECU. I certainly cant find any more, but that doesn't mean they are not there.

Thanks guys for replies so far,

Andy

 

Sharpshooter:
Turn the Air Con off. What happends then?

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