Question about 1990 Nissan Pulsar

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Hi, 1990 series 2 N13 overheated and bubbled through to overflow tank. Temp Gauge does not appear to work? (not rising). a/c fan works when you turn a/c on but fan in front of radiator does not appear to come on. should it and when? Can you help? Have only had the car for 6 weeks and so far has been fine until now.

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  • phantomboy08 May 31, 2010

    It that a Mechanic or Auto electrician?

  • toneman2121
    toneman2121 May 31, 2010

    any competent shop should be able to take care of that. if you want to understand the coolant sysrem better, get a repair manual. they are available online. 15-20 usd. also try you can get free online repair informaton there. not sure about your make and model. you can find general info here



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Check the coolant temp sensor, fan relay and fuse. in my opinion the temp sensor is not working and it's not telling the fan to turn on.

Posted on May 28, 2010

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  • phantomboy08 May 31, 2010

    Hi Thanks, is that a Auto Electrician or Mechanic Job?

  • Peter Timbol Jan 14, 2011

    Typical with a lot of old cars, the thermostat gets stuck. You could have this checked also.

    as to the fan activating, it could be one of the three mentioned by toneman2121

  • Peter Timbol Jan 14, 2011

    It is kind of both.

    Auto electrician for the sensor, relay, fuse. Mechanic for the check-up of the engine components. although (like here in the Philippines), we have a/c and radiator shops that know all aspects of the cooling system of a car.


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Replaced the head gasket and water pump and thermostat.water not curculating..just blows out of the radiator any clues as to the problem?

Posted on Apr 03, 2011


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