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Why would white smoke come from the exhaust of a car when it was restarted after overheating? |
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Is the antifreeze also low?
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this means that water is passing through your exhaust system which usualy means that either a head gasket went bad or crack or warped head.
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Did you repair the car first? Because if not your engine is probably hurtin' (blown head gasket or warped head). The most common leak in a blown head gasket is the anti-freeze.
White smoke is anti-freeze burning (or boiling) and you probably noticed you're losing anti-freeze from the reservoir. Also check your oil for overfilling and a greenish additive that YOU didn't put in. You can try STOP-LEAK but be aware this DOES NOT provide a permanent fix.
If you have the money have a professional look at your car and fix the head gasket and/ or the possibly warped head.
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I had this problem with a 1975 honda civic......turns out a cylinder burned a hole and the water mixed with the oil making white smoke come out of the exhaust.
Reason: Improper maintenance. I never got oil changes or added oil. or checked the water or checked for leaks.....Etc...
Repair: Change the cylinder. Very expensive $?
New Engine $500.00 rebuilt (already more than the car was worth) plus Labor$?
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First answer by Bclear. Last edit by ID1172767960. Question popularity: 76 [recommend question]
Answers.com > Wiki Answers > Categories > Cars and Vehicles > Parts and Repairs > Fuel and Engines > Emissions and Exhaust Systems > Why would white smoke come from the exhaust of a car when it was restarted after overheating?
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