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Thread: Possible new headgasket

  
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    lockdown's Avatar
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    Possible new headgasket

    Just had a mate look at my car and he thinks that the headgasket mite be gone but the oils not mixing with the water.
    It sounds like its got a bit of a misfire on start up and he thinks this is because there is water in one of the cylinders. Also the return hose on the top left hand part of the header tank has bubbles in it and there should be a constant feed.
    Anyone got any thoughts on this? Also anyone know how much its going to cost if the head gasket is gone?
    I'm running it now without the header tank cap on to release any air locks in the system.
    Please help asap

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    uk_engineer's Avatar
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    headgaskets fail in 2 ways, or poss more, main 2 to notice are water in the oil, generally produces a nice mayonaise, found under the oil filler cap.
    Other is oil in the water, will produce a more foamy mayonaise, generally found in the header tank, plus it will stink of engine fumes, take a sampple of the water to a specialist, they can test the fluid to see if engine emissions are present, indicating a headgasket failure, if it is, best to sort sooner rather than later.
    Steam from the exhaust at all? loss of coolant?
    Zafira B SRi Turbo

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    Enigma ???'s Avatar
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    Compression test is probably the best way.

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    Block test is the easiest to identify.

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    go to any garage with an emissions tester and ask if they can do a sniff test in the coolant bottle to check for any fumes(hc or co)
    no comment

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    I just ran it with out the header tank cap on and the blowers on full to release any airlocks. This seems to have worked on the top hose. Its not rock hard but you can squeeze it without touching both sides.
    It is losing coolant but it going all over the floor.

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    does the hose go hard again with the cap back on?
    no comment

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    hardish but not soft enough to touch both sides when I squeeze it

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    from reading your other post its hard to say if the gasket has failed. its going to need a proper check at a garage imo
    no comment

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    think its going to have to have a compression test and the coolant tested to find out

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