If the jeep grand cherokee 2003 shut off when overheating

Asked by Jul 18, 2018 at 09:35 PM about the 2003 Jeep Grand Cherokee

Question type: Maintenance & Repair

The jeep grand cherokee 2003 . 4.0 shut off.  After
20 minutes start and shut off again

4 Answers


During the no start verify if you spark... if not then its highly likely your asd relay isnt powered up or the fuel pump relay... test these to confirm.... in that case one scenario is your losing a cam/crank signal


If you can find and fix what's causing it to overheat, it will probably quit stalling too. Start by checking the radiator fan motor.

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Best Answer Mark helpful

I had noticed that the fan pulling in the air ?? It's that the way should work or I should change the wire connection so the fan blow the air out


Good observation to be checking that air flow. It is normal to be "pulling in". That way it is not "fighting" the incoming air as you drive forward down the road. Also, at some point the factory started using water pumps with plastic impellors. Bad idea. They disintegrate over time and the pump won't pump coolant even though it spins. Complicated to remove pump just to take a look. Maybe look into the radiator, cap off, and look for any movement of coolant as you rev up the engine while it's warm/hot.

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