I HAVE LITTLE BROWN OIL IN THE WATER OVERFLOW AND LITTLE WATER MIXING WITH MY OIL, BUT TE CAR RUNS LIKE NEW?

1999 Cadillac Catera

Tiny

kenny#21

January, 12, 2012 AT 6:44 PM

Water mixes with oil, but car runs like new as long as you kep water in it. Once it starts over heating the radiator hose blows off the thermostat tube.

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1 Answer

Tiny

factoryjack

January, 12, 2012 AT 6:57 PM

That's because the oil is attacking and contaminating the rubber. Causing it to swell, soften, and become weak. The oil could be coming from the engine oil cooler in the valley, or even the transmission oil cooler in the radiator. Unless you know the condition of your transmission fluid as red, it could be brown. Since there is no dipstick for the trans, it often goes neglected.

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