Question about 1998 Ford Windstar
The engine runs smooth and with power. I would have never known I had a problem except it would overheat and I would find a great deal of coolant missing, and the oil level high. When I took the oil fill cap off the valve cover and looked inside, I found that the oil was thick and grease like. What I don't know is the likely pathway the coolant is taking to get to the crank case. As I said at the start, the engine is running just fine, so I can't believe that it is a head gasket. We already had that problem in the past and the engine was rebuilt. The rebuilt engine has about 40k miles on it.
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Posted on Jan 02, 2017
Thick black oil generally does not indicate coolant in oil...that appears as coffee coloured residue with a milkshake thickness to it. But, I'd let the car stand overnight and then drain oil. coolant will stay at the bottom of the pan and exit first, so watch carefully.
Next, have a shop dye check for leaks...often small leaks are in the form of seepage that is light enough to evaporate on the hot engine before reaching the ground. Another test you can do is to let it sit overnight with the radiator cap off. Sometimes a water pump seal will only leak when not under pressure. (like when you try to empty a can of dog food...punch a hole in the bottom of the can and it will fall right out!) Also, check the rug inside the car...any dampness indicates a leaking heater core.
I hope at least one item here will help. Obviously if you are loosing coolant, it has to be going somewhere. PS: use a good grade of synthetic oil and it should not break down as quickly as what you are using (regardless of if contaminated or not)
Posted on Apr 20, 2009
let your car idle go back to the tail pipe if it seems to be steaming alot , and or smells like antifreeze then you have a head gasket problem or a gasket leak alowing in directly into your engine
Posted on Apr 28, 2009
Normal. This is called heat soak. When you stop the engine, its temperature rises since the coolant is no longer being circulated by the water pump through the radiator. The coolant then expands and goes higher in the overflow tank. As the engine cools, it retreats back into the engine. Proper level should be determined only when the engine is cool.
Posted on May 31, 2009
SOURCE: Their is a white milky
No, it does not mean you have a head gasket failure. Moisture can build up under the cap and when the moisture mixes with the light oil film, it will appear milky. If there is no evidence of coolant in the oil on the dipstick or evidence of coolant in the oil when it is drained, then there is no reason to believe that there is an internal gasket failure, unless of course, you are overheating or the engine is running a high temp.
Posted on Dec 31, 2010
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