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Old 05-28-2013, 05:33 PM   #1
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Cooling sytem

I think that I'm losing water in my 4.0. Got a radiator tester but not sure what to pump it to. I think that it is 18 psi. Any input?

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Old 05-28-2013, 06:15 PM   #2
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What makes you think radiator fluid is getting into the oil? Milky color?

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Old 05-28-2013, 07:45 PM   #3
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No. Just losing water and I haven't seen any leaks. It may not be in the oil, just wanted to check and see if pressure is good.
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Old 05-28-2013, 07:47 PM   #4
Knows a couple things...

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18 psi is the pressure the radiator cap starts venting coolant into the recovery bottle.
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Old 05-28-2013, 07:54 PM   #5
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Thanks. I pumped it up to 18 psi and it slowly leaked down to 15. Took about 5 minutes. I checked everything that I could see but could not find any leaks. Maybe a little paranoid about it.
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