Question about 2000 Jeep Grand Cherokee
You need to pressure test the cooling system. Unless you had the heads magnafluxed or inspected very carefully, there could be minute cracks causing the problem.
This is the #1 problem with any engine where boiling takes place due to the expansion power that steam has the capability of producing.
The cylinder walls could also have cracks in them, there could also be a freeze plug that is leaking slightly, causing the engine to overheat as it can't build the proper pressure.
sometimes it's a better move to get a low mileage used motor, than to attempt to repair one that has high mileage and this type of suspected damage.
Posted on Feb 20, 2010
CHECK 2 SPEED SWITCH FOR RADIATOR FAN IS WORKING THERE WERE MANY RECALLS AND TSBS ON THIS.THE WATER PUMP ON THIS IS A REVERSE FLOW IT IS MARKED WITH AN ARROW.IF THE COOLANT IS OVERHEATING IT IS NOT GOING THROUGH THE RADIATOR AT THE RIGHT SPEED.iT HAS TO GET OVERHEATED FROM SITTING IN THE BLOCK TOO LONG.GOOD LUCK EFBIL
Posted on Feb 23, 2010
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Posted on Jan 02, 2017
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