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Northstar Engines and System Technical Discussion Discussion, very bad coolant leak in Cadillac Engine Technical Discussion; Check the purge line (cold engine) to be sure it is clear and flows coolant. I assume you have topped ...
  1. #16
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: very bad coolant leak

    Check the purge line (cold engine) to be sure it is clear and flows coolant. I assume you have topped off the surge tank and it is about 1/2 full? Remember, when you first start it, the pump may suck it dry. You may have to top it off 2 or 3 times until it stabilizes.

  2. #17
    bodonovich is offline Cadillac Owners Member
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    Re: very bad coolant leak

    yup checked it, purge line flows coolant... i guess it is just low on coolant... seemed to be air bubbles in the purge line wasnt a solid stream

  3. #18
    04GrandAmGT's Avatar
    04GrandAmGT is offline Cadillac Owners Fanatic
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    Re: very bad coolant leak

    Canadian Tire has them


    Need parts for your Northstar Engine? www.northstarperformance.com

    Evrett, Sales Executive of the SureGrip™ Cylinder Head Stud Kit

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