Question about 2001 Isuzu Trooper

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White smoke and pressure in radiator.

My 1998 3.0 DOHC (4jx1 engine) started pumping out white smoke. Before this happened the "check engine" light was coming on intermittently. On further investigation i noticed that there was coolant blowing out of the breather tube on top of the radiator expansion tank and when i took off the radiator cap there was coolant blowing out of the radiator with some force and i assume in time with the compression stroke of one of the pistons. A mechanic friend of mine says that the engine is not worth trying to repair and that these engines are notorious for this type of problem! He said that it could be the cylinder head gasket or the head but he suspects that the engine block itself has fractured due to the force that the coolant is coming out of the radiator. Just before this all happened i noticed that the heater would go cold and the temperature guage would go to the cold side of the scale then go back to normal but it never indicated any temperature higher than normal. Any thoughts???????

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Any sign of diesel in the water ? sounds like head gasket to me and the engine will rebuild ok but have the dealer put in new injector tube sleeves and O seals .

Posted on Apr 20, 2009

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