Question about 2007 Jeep Grand Cherokee Overland

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Check engine light came on, then temp of engine ticked all the way up. Once I started moving it moved back to a normal level. Once in the garage I popped the hood and noticed there was no coolant. I filled the coolant up, and drove with the a/c on and the check engine light was still on, however the temp never moved above the 50% mark. Any idea what it could be? I thought it might be a loose hose but wouldnt more coolant solve that problem?

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  • Richard Scordino May 11, 2010

    First thing you need to do is determine where the coolant went and why. Once that is corrected, then you can begin looking for any other problems caused by the overheat.

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You have to find the leak. The Check engine light is probably on for engine over temperature. You will need a scan tool to confirm. Look for a leaking waterpump or thermostat housing on those models.

Posted on Jun 02, 2009

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