How to Troubleshoot a mysterious coolant leak on a 1999 Jeep Cherokee 4.0L

The main complaint for this 1999 Jeep Cherokee, 4.0L, is that the Low Coolant Light keeps flashing on and that it keeps needing coolant. Nothing seems to be leaking on the ground, so where's the leak going? After doing the normal pressure test to spot the leak, and the combustion gas leak, and the overnight test, nothing seemed to work. The coolant leak could not be identified. So, it must be the cylinder head, right? But you need evidence of that first. Watch and learn how to prove your theory on this '99 Jeep Cherokee.

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