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2002 Mazda Protege5

Question: loosing coolant from the recovery bootle

Question

Visitor, 2.0L 4 Cylinder, Fullerton, CA, October 26, 2010, 12:32

at a idle engine runs good, while driving...coolant overflows threw the recorvery bootle. does not over heat,
or oil & cooling is not mixing.

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  • Answer #1

    ZeeTech October 26, 2010, 12:51
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     Master

    The cylinder head gasket might failed and combustion gases are entering into the cooling system.
    This could be determined easily with a CO2 tester. It will check for CO2 gas in the coolant, if it present the head gasket failed.

    Zee

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