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Fan problems? V70-XC70

posted by  Clifford2 on  Thu Dec 5 22:01 CST 2013
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last visit: Thu Dec 5 21:51 CST 2013
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Hello, I first want to thank you folks for having such a wide spectrum of knowledge and giving exceptional advice.

My question: Recently I changed antifreeze in my Volvo (making sure not to add it too quickly. I've later noticed that my cooling fan didn't seem to come on. I waited of course and drove of course however, I don't seem to hear the relay kick in and energize the fan. I did test the A/C and after the engine warms up the fan of course does kick in. One final word: I thought perhaps it might be the fan relay, so I changed this item (which sits just above the fan), is there a fuseable link or something that would hinder the fan from turning on?

The wagon drives fine and of course the heat works as well. The car hasn't overheated after driving for a couple weeks. I just can't seem to hear the fan kick in.

Many thanks,
Clifford








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    Fan problems? V70-XC70

    posted by  sherm on  Tue Feb 4 10:46 CST 2014
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    last visit: Mon Oct 6 20:34 CST 2014
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    On both of my FWD/AWD cars, the fan never seems to come on until the motor is really hot [exc when A/C is switched on]. I think these motors are set up to run very hot. That said, I could write a book on all the fan/relay/fusable link issues that I have had with my V70 and 850. The brickboard archive proves it.
    --
    The Family Fleet '90 745 16v; '90 745 GLE; 96 855T; 99 XC, collectively approaching 900,000mi and going strong.








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    Fan problems? V70-XC70

    posted by  james_a_sousa on  Fri Dec 6 21:13 CST 2013
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    last visit: Thu Oct 23 18:51 CST 2014
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    I do not know what turns your fan on, but look for a switch on one of the radiator tanks - If there is one, take the wires off and short them together.

    If you cannot find a switch, I suggest that you go to a dealer - overheating can damage your engine.

    Do you know if the fan worked before?

    How long have you owned the car?

    Why did you change the antifreeze?

    I had a used '90 744 TI that had a seized fan - In order to help it out, someone had pulled the thermostst open and jammed it sideways.

    After I installed a new fan, it would run before I could scrape all the windows on a frosty morning.








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      Fan problems? V70-XC70

      posted by  mopar2ya on  Thu Jan 2 09:08 CST 2014
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      last visit: Mon Jul 7 07:35 CST 2014
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      I bought a 01 v70 T5 with a blown head gasket, replaced the engine with another and I did not know why the engine blew the head gasket, I thought maybe the fan was bad because the car got warmed up and I never heard the fan come on, so, I hooked up my scan gage2 and watched the coolant temp and figured out the fan comes on at 121°,you can't hear the fan over the engine noise but you can see it turning, the Gage on the dash works, Volvo says the Gage has a damper on it so you don't see it move much,
      --
      2001 v70 T5, 2001v70XC, 2002 XC70, 2004 XC70, 1988 740 turbo wagon








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    Fan problems? V70-XC70

    posted by  KlausC on  Fri Dec 6 10:49 CST 2013
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    last visit: Fri Oct 24 10:15 CST 2014
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    What does the temperature gauge in the instrument cluster tell you? Does it easily go to 'normal' after a cold start? Does it ever go above normal?

    There are cheap infrared thermometers at hardware stores/parts stores that you can use to read the actual temperature of the coolant housing at the thermostat or hoses.

    Because the AC turns on the fan, the fuses and relay are fine. If it takes a while to get the engine up to operating temps, more than 1 mile, then it might be that you have a failed coolant thermostat and it is always open.







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