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Thread: engine temperature suddenly dropped

  
  1. #1
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    engine temperature suddenly dropped

    parked up last nite and had the engine running for about 2-3 mins when all of a sudden i had an orange light (in the shape of a square ish with a fan on it) came on and the engine temperature suddenly dropped to not raeding at all, the same as when car is not turned on. it only went down when the fan came on, so i did no more than turned it off and started to get a bit worried. left it 30mins and turned it back on, still the same problem. so i thought i would rev it a little, problem solved light went off, fan went off, and temperature came back up.

    just wondering if any one else has had or know what the problem could be?

    cheers
    astra coupe now sold and driving fiesta ST now sold and awaiting mk3 astra to arrive

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    RAZOR's Avatar
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    check your coolent levels
    Balck Astra K Elite 1.4 Turbo

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    levels are all ok and not done it since
    astra coupe now sold and driving fiesta ST now sold and awaiting mk3 astra to arrive

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    Check the battery, alternator and the fan switch?

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    battery seems ok and still has green light in it. how do i check alternetor and fan switch?
    astra coupe now sold and driving fiesta ST now sold and awaiting mk3 astra to arrive

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    To check the alternator, start the car and turn everything off and go see what voltage is going through the battery. It should be at least 14.4 iirc.

    Not sure on the fan switch though.

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    i shall do that tommorow as bit dark now and i want to be able to report back, which i feeel like i will not be able to if o do it tonite coz i get electricuted
    astra coupe now sold and driving fiesta ST now sold and awaiting mk3 astra to arrive

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    the voltage across battery should be between 13-14.5v depending how accurate your meter is, and how shafted your battery and alternator are

    Might be the thermostat dying/dead, or might just be a loose connection - check all the plugs/wires you can see for cracks, splits loose connections.
    0-60 in 6.5 secs and 48mpg- winner!

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