Coolant reservoir hose

[GregorioJL]

If you have your cooling system worked on, check the hose that connects to the bottom of the reservoir. There is a steel slide latch which, if not engaged, will eventually work loose and coolant will pour (not leak) out. The latch isn't visible when connecting, and if the steel slide is not moved to the outer (unlatched) position, it will not engage properly.

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If that connector isn't latched, I'm almost certain that hose will blow off the bottom once the Jeep heats up and the system is pressurized. I replaced my tank about 2 weeks ago and yanked on that hose after installing the clip to be sure it seated. It's not the easiest to reach.