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I have a '00 Grand Cherokee Laredo 4.0L that's had 10+ radiators and needs another. It fails every 10-12mo. with a pine hole in the core and the coolant has a charge of approximently .6-1.0 VDC. I would really like to solve this problem and keep the Jeep for another 250k miles. Weird thing is it's never gone through a heater core or as many water pumps.
I'm religious about new coolant yearly. I've tried grounding the radiator and flushing the system. Nothing seems to help minimize the existing charge. Even new fluid has a charge of .3 VDC and quickly climbs to .6-1.0 VDC.
Any advice on how to minimize the charge in the system so I can better troubleshoot?
There doesn't seem to be any service bulletins regarding the issue, but I can see a lot of people are talking about it.
I've checked the obvious grounds with an OHM meter. What am I missing?
I'm religious about new coolant yearly. I've tried grounding the radiator and flushing the system. Nothing seems to help minimize the existing charge. Even new fluid has a charge of .3 VDC and quickly climbs to .6-1.0 VDC.
Any advice on how to minimize the charge in the system so I can better troubleshoot?
There doesn't seem to be any service bulletins regarding the issue, but I can see a lot of people are talking about it.
I've checked the obvious grounds with an OHM meter. What am I missing?