2000 Cadillac Catera Q&A
2000 Cadillac Catera Question: oil in water
i have oil in the water but not in the block. just had oil changed and they put 7qt in it. - Visitor
Than one of the tanks on the side of the radiator may be bad - sts_rider
Mine had water, as in white milky substance, on my oil refill cap - none showing on dipstick. I was told that sometimes due to humidity, etc. it will acquire moisture in the oil. Was recommended to clean refill cap and recheck in a few days. For mine it was as simple as that. Hopefully you don't have oil/water mix on dipstick. Good luck! - Visitor
It's a very common problem with this model. You have a bad oil/coolant heat exchanger which is located on top of the engine. Fairly expensive to replace. - Visitor
The Catera often experiences oil leaks from the oil cooler and/or valve cover gasket. The thermostat seal and/or the water pump may develop a coolant leak.
the oil is mixed with the coolant and dont know why it is happening, could it be because of the car overheated, whic is strange due to the fact that never seen it over heat.
have a 2000 3.0 catera, had a water pump put in, now I have an upper engine, lifter like noise, like no oil to the top end, oil pressure good, car was fine before they did oil pump, any ideas?
I have recently had system flushed and pressure tested. No oil in water reservoir and no water in the oil. Uses coolant a lot faster with the A/C on.
I have a milky substance in my coolant rocovery tank. The tank also regurgitates the fluid. I have Changed the radiator, thermastat, coil, complete tune up, and flushed the recovery tank twice. A w...