I have oil in my coolant and it is like clay now

MARGUERITE

MEMBER
1996 OLDSMOBILE CIERA
40,000 MILES

The coolant has coagulated 100 percent coverage or thick milky like coolant substance interior walls of radiator and reservior the cap was packed with coagulated coolant of a thick clay like substance no leaks this is a oldsmobile 1996 cutlass ciera SL and has a mild***** when vehicle runs at 60 + mph. Dont have alote of money and need vehicle to get to and from work so I can invest money into a professional mechanic but today I must keep vehicle running with creative at home self maintenance so can I flush the radiator out with a garden hose and add only silicate free orange coolant meeting GM SPEC6277 m thanks have a great day first time user marguerite

1 Reply

CARADIODOC

MECHANIC
33,727 POSTS

Please put at least one period in that huge sentence so we can make sense of it. That orange coolant is very undesirable. Instead of Dex-Cool, we call it "Dex-Mud", and it's possible you just need a flush and fill with regular antifreeze. If the condition returns, suspect a leaking head gasket.