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1994 Saturn SL Question: where do i put stop leak



s.corder, 1.9L 4 Cylinder SOHC, Dublin, CA, February 10, 2011, 00:35

my coolant leaks a little each time my engine gets turned off and i want to try stop leak...i think i put it in the coolant reservoir..

3 Answers
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  • Answer #1

    Visitor, February 10, 2011, 01:09

    I do not recommend stop leak as it will clog small passages and may cause more harm. You put it in the radiator, be carefull not to open a hot system.

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  • Answer #2

    Visitor, February 10, 2011, 01:20

    Using a quality stop leak (Blue Devil) will not plug anything up other than the leak. You most likely have a intake manifold leak. If you use Blue devil follow the instruction exactly.

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  • Answer #3

    February 10, 2011, 09:42

    I do agree with answer #1. I don't recommend stop leak, even if the manufacturers claims it otherwise, THEY DO CLOG COOLANT PASSAGES and could cause more damages. We see this quite often. Repair the leak correctly, that's the best way to do it.


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