Question about 1997 Chevrolet Blazer
Water in oil in my 97 blazer 4.3. With engine not running I drained the oil and while the oil was draining I topped off the radiator planning to replace the contaminated oil with fresh oil and take the car for a test drive to assess the engine damage. it had overheated and the engine oil turned milky brown. after topping off the radiator I looked under the car to see if the oil was finished draining and saw water pouring out with the oil. I topped off the radiator again and watched to see if the coolant level fell again. It did. how bad is the engine damage. I am not familiar with the anatomy of a 4.3. oil mixed with coolant spray from somewhere on the back of the engine when it is running at operating temp but there is no oil in the coolant.
Your radiator oil cooler went bad and coolant got in your oil so replace the radiator the cooler is built in!
Posted on May 14, 2009
Very bad. You blew the head gasket and most likely warped the head if not cracked it.
Posted on May 12, 2009
You have a bad head gasket. You will not know how bad the damage is until the engine is disassembled. Chances are, a head has warped though, and will need to be machined.
I hope this helps you, and I wish you luck on your repair.
Posted on May 12, 2009
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Posted on Jan 02, 2017
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