HG test and green result
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Northstar Engines and System Technical Discussion Discussion, HG test and green result in Cadillac Engine Technical Discussion; Today I check my HG and show green colour.What that mine?On instruction said if yellow is fail,but nothing about green ...
  1. #1
    gino9's Avatar
    gino9 is offline Cadillac Owners Fanatic
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    HG test and green result

    Today I check my HG and show green colour.What that mine?On instruction said if yellow is fail,but nothing about green colour.My STS run well,not overheating.

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    drewsdeville is offline Cadillac Owners Master
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    Re: HG test and green result

    Quote Originally Posted by gino9 View Post
    My STS run well,not overheating.
    Based on that, if it was mine, I wouldn't be worrying about it. It's hard to argue that a correctly working machine is broken!

    Ask any doctor, mechanic, scientist, etc... Test results are NEVER fault-proof positives until they are accompanied by symptoms that support those test results. Never draw conclusions based on a sole piece of data. You have no symptoms whatsoever.

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    RippyPartsDept's Avatar
    RippyPartsDept is offline Hi, I'm Chris - Please Read My Signature
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    Re: HG test and green result

    Yellow and blue make green

    i would say that's a fail

    are you overheating?
    are you loosing coolant without any external leak?
    does your exhaust smell sweet like coolant when you first start the car up in the morning?
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    jeffrsmith is offline Cadillac Owners Fanatic
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    Re: HG test and green result

    +1 - If it is currently green, it will most likely test yellow sometime in the near future. If you don't have the money set aside, now would be a good time to start saving!

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    Ranger is offline Cadillac Owners Member
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    Re: HG test and green result

    Yup, green is half way between blue and yellow. If it ain't blue, it ain't good.

  7. #6
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    Sorry to hear that. It sucks I know I been there

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    gino9 is offline Cadillac Owners Fanatic
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    Thread Starter

    Re: HG test and green result

    ok,No sweet smell from exhaust,no loosing coolant,no overheating,no codes.

    Where and how much is cost for head gasket kit,bolts and etc.What I should buy and replace and never happen again?Price?

  9. #8
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: HG test and green result

    Wait a minute. You have no HG symptoms, so why did you bother running the test and what are you going through all this expense and work? If it ain't broke, don't fix it. You don't seem to be 100% sure that it's broke. Are you LOOKING for a boogie man?

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