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davidg ... 1/30/2013

1999 Chrysler Concorde LX 6 Cyl 2.7L


when driving my car it blows out white smoke from the tailpipe.

1 Answer


CVO 1/30/2013

Check the radiator coolant level, if it is low, then there is a possibility of a head blown gasket.

A leaky head gasket can allow coolant to seep into the engine's cylinders or crankcase. Symptoms include a loss of coolant with no visible external leaks, and white steam in the exhaust, especially after restarting the engine when it has sit for awhile. A leaky head gasket can be diagnosed by pressure testing the cooling system, or by using a "block checker" that pulls air from the cooling system into a cylinder that contains a special blue colored leak detection liquid. If there are any combustion gases in the coolant, the color of the liquid inside the detector will change from blue to green. A leaky head gasket can often be temporarily sealed by adding a sealer product to the cooling system. But for bad leaks or ones that cannot be stopped with sealer, the head gasket has to be replaced.


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