Question about 2003 Nissan Altima

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I had put dexcool anti freeze in my 2003 altima nissan now it's smoking a thick white smoke from my exhaust

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  • deconyers Oct 08, 2010

    Did you not have dexcool in before ?

  • Richard Scordino Oct 09, 2010

    Regardless of the type of coolant, (even if you used gator aide)...it would not have anything to do with what is coming out of the exhaust unless you have either a cracked cylinder head or a blown cylinder head gasket. You need to have the system pressure tested and possibly have a cylinder leakdown or compression test done. If you find any coolant in the engine oil do not run the engine.

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Dexcool antifreeze cannot be mixed with any other antifreeze except the new all makes all models antifreeze. If you mixed it with green or any other antifreeze it becomes toxic & will eat away from the inside out. Try flushing it all out, but it sounds like you blew a head gasket & may have hurt other cooling system components.

Posted on Oct 09, 2010

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