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1998 Chevrolet Monte Carlo Question: if u have a plenum air leak will that cause antifreeze to enter engine ? thank

 

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questgmg, 3.8L V6, Santee, SC, October 19, 2012, 10:02
 Rookie

found antifreeze in two cylinders and crankcase. also on top of intake manafold had heads redone and checked drained antifreeze and cleand crankcase all new gaskets started engine ran great for half hour started engine next day same problem oil inside air plenum on top of air intake number 56 clinders had oil too

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    Greg's Orange Auto (13179 Answers) , Orange, CA - (714) 361-9386
    globalhelper October 19, 2012, 13:05
     Master

    poss intake gasket not sealed properly, did you have the heads ck'd for crack while they were off

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    questgmg, October 19, 2012, 15:02
     Rookie

    yes had heads redone and fluxed antifreeze was in the air plenum, throttle body, and also ontop of intake manifold as well in two cylinders

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    globalhelper, October 19, 2012, 16:47
     Master

    poss intake needs reseal

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