2016 GM Truck 5.3 Repeat Collapsed Lifter. Replaced VLOM But Why?

Описание к видео 2016 GM Truck 5.3 Repeat Collapsed Lifter. Replaced VLOM But Why?

This truck was in 3 weeks ago and I replaced the lifters on the right bank because number 6 exhaust was stuck collapsed. The same lifter collapsed within 24 hours. The dealership replaced the lifter under a parts warranty and it failed again! There is a TSB from GM that recommended replacement of the VLOM whenever lifters have failed. So I pulled the right side apart again to replace the collapsed lifter, the left fuel rail and replaced the VLOM. I took it apart but I can't see a problem with it in my opinion.

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