I had a coolant leak knock sensor bank 2 sensor 2 (back of the motor) that seems to be a common thing on the 5.3 going bad. Do you know where the leak is coming from? Is it a bad seal on the intake manifold? I understand there is a seal because looking at the motor in the valley channel there doesn't appear to be coolant there, especially since the cams there are exposed which I'm fine with. I understand there are seals where the knock sensor goes thank to you and another guy on You Tub pointed them out. Any help would be appreciated.
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Monday, January 16th, 2023 AT 9:01 PM