Question about 2004 Mitsubishi Lancer

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BUBBLES COMING FROM THE RADIATOR, IS IT THE CYLINDER HEAD DAMAGE

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It could be a warped head on the motor you will have to take the head off to see if it is still flat. With any luck it is only a damaged head gasket and replacing the gasket will fix the issue. If you take the head off use a long steel ruler with a light behind it and slide it down the heads bottom surface at several different angles to look for light underneath the straight edge. If the head is warped you can take the head to a machine shop and have it milled flat or get a used replacement at the salvage yard. If you go with the used head inspect it carefully before purchase (make sure it is flat, color of carbon deposits on all the cylinders[all the same color],replace stem seals,etc)

Posted on Mar 18, 2011

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If the vehicle is running and you are seing "bubbles" in the radiator, this is a very good sign of cylinder head/head gasket problems. You might also see coolant in the oil or vice versa.

Posted on Mar 18, 2011

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