Question about 1990 Toyota Pickup

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Radiator keeps over pressuring out of cap

1990 toyota pickup with 22re motor new with in the last year, also new waterpump,radiator,hoses,rad. cap

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  • transit360 May 11, 2010

    How the temperature gauge? Is it reading hot?

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I hate to tell you but most likely your head gasket is blown. But first have your 13 psi cap pressure tested. If the head gasket has blown out in between the cylinder and the water passage , engine compression will enter your coolant and over pressurize the cooling system. This could be caused by a pin hole in the head gasket and that is all. also make sure your head is not warped. The 22re has a cast iron block and aluminum head causing the head to expand at a different rate than the block. causing the gasket to wear and leak. Good luck.

Posted on May 04, 2009

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Are there air bubbles coming of the raditor if there is then yuor head is cracked on an exhaust valve.

Posted on Feb 10, 2009

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