1994 Jeep Cherokee over heating

1994 JEEP CHEROKEE
270,000 MILES • 6 CYL • 2WD • AUTOMATIC
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MCGEEJAMAIL
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it keeps shuting off when i go about three blocks but i did not know for sure if it was overheating because the gauge went out but i replaced the sensor, water pump, thermastat, and plugs and it is still over heating and now there is gray smoke coming out of it when i let it run
Jul 26, 2009 at 8:58 PM
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JACOBANDNICKOLAS
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If you are seeing grayish / white smoke, that indicates that coolant is getting into the combustion chamber. It would be my guess that you have a bad head gasket and coolant is getting in that way. You could do a compression test to see if there is a low cylender to check. If you need directions, let me know.

Joe
Jul 26, 2009 at 10:39 PM
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MCGEEJAMAIL
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how do i do a compression test for the head gasket and thanks for the reply
Aug 10, 2009 at 1:27 PM
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JACOBANDNICKOLAS
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Here is a how to for checking compression. A compression gauge is needed. Many parts stores will lend or rent the tool.

https://www.2carpros.com/dia/how_to_check_compression.htm

Let me know if this helps.
Aug 10, 2009 at 7:26 PM
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