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post #1 of 2 (permalink) Old 05-08-2011 Thread Starter
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2000 c70 Knocking noise and white smoke

I have a 2000 c70 convertible. My wife calls me from the airport that the car will not start and she hears a clanking/grinding noise when she attepmts to start.

I replaced the starter and battery-the car finally turned over but runs very rough (noise from what sounds like the lifters) and a great deal of white smoke and condensation comes out of the tail pipe. I did notice the violent level did drop. However, there does not appear to be any sign of coolent in the oil or on the oil cap. I think it sounds like a damaged head gasket but the noise is concerning.

Does anyone have any suggestions on what the problem is and areas I should look at and possibly fix.

modela is offline  
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post #2 of 2 (permalink) Old 07-27-2012
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Join Date: Jul 2012
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Sounds like you definitely have a blown head gasket. The white some is from the steam from the antifreeze. Blown head gaskets allow coolant to flow into the combustion chamber, hence the smoke/steam coming out of you exhaust
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