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2003 Malibu 3.1 engine oil in the coolant tank what could be the problem?In: Chevy Metro |
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Answer
I hate to be the bearer of bad news but, the most probable cause would be a blown head gasket. Has the engine ever been overheated at any point? This will usually cause this problem. The mechanic should carefully look over the engine block to make sure there are no cracks in the cylinder walls, and check the cylinder head for cracks and warpage. The head gasket seats between the block and the head. There are 2 heads on your engine. If the block is cracked, then you will need a short block, and recommend rebuilt heads as well. Make sure they look it over really good, and I also recommend a new radiator cap, and thermostat. This is the most common cause of overheating.
First answer by Clay. Last edit by Clay. Contributor trust: 3458 [recommend contributor]. Question popularity: 40 [recommend question]
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