Coolant leak woes - Page 2 - Jeep Commander Forums: Jeep Commander Forum
Regular Service / Maintenance This section contains discussion about regular service and maintenance (upkeep) of your Jeep Commander

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post #11 of 17 (permalink) Old 12-27-2017, 08:36 PM
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Also look at the thermostat housing it tends to leak also.
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post #12 of 17 (permalink) Old 04-06-2018, 07:47 PM
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Originally Posted by Creek View Post
Also look at the thermostat housing it tends to leak also.
zero leaks, no coolant level drop, nothing visible. Still smells...I'll have an in home lift in a few months. I'll figure it out then if a hose doesn't blow off first.lol

Johnny Mac
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post #13 of 17 (permalink) Old 05-26-2018, 04:52 PM
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Just saw this post as I noticed mine is low. Some days when at the passenger side I hear a sizzle after driving. Haven’t found the spot yet. Anyone else here have that? If so where was your leak?
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post #14 of 17 (permalink) Old 05-26-2018, 06:52 PM
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Down by the heater core where the line T's assuming you have rear AC/Heater.
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post #15 of 17 (permalink) Old 05-27-2018, 07:31 AM
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I do. Much appreciated.
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post #16 of 17 (permalink) Old 08-27-2018, 02:43 PM
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Originally Posted by MLaseter View Post
Some days when at the passenger side I hear a sizzle after driving. Havenít found the spot yet. Anyone else here have that? If so where was your leak?
I have had the passenger sizzle since day 1 (2006). It is AC condensation draining, if you get under and look the AC drain tube is directly over the exhaust, so you get the sizzle just like on a skillet!
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post #17 of 17 (permalink) Old 10-29-2018, 09:02 AM
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The ghost of things past is alive!
I had a puddle in the same area yesterday (your original post date, a year later), same issues. Amazing how the t-stat leak can climb uphill, and puddle in the water pump area.
My 4.7 jeep got a new water pump last year. The old one originally was dripping on the lower pulley, which was tossing a small amount of coolant right on to the swedged joint of the ATF coolant line. Red anti-freeze dripping from the line looks just like ATF. Nearly replaced that line.
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