Has Chevy ever fixed the knocking engine noise in 5.3 for any customers?

There have been instances where General Motors has addressed and resolved the knocking engine noise issue in 5.3L engines for their customers. However, it's worth noting that not all customers may have experienced the issue, and the resolution or compensation provided could vary depending on the specific circumstances and individual cases.

If you are experiencing engine knocking noise in a 5.3L engine and believe it may be related to a known issue, it is recommended that you contact your local Chevrolet dealer or customer service to discuss the matter and inquire about possible solutions or actions that can be taken. They can assess your vehicle and determine the appropriate course of action based on the specific situation and any manufacturer guidelines or programs that may be in place to address this issue.