Hello,
Please note that these engines will have some amount of lifter noise, you can typically hear it when the engine is running with the hood open. However excessive lifter noise can be due to worn lifters. Which not fixed can cause more issues.
As for repairs the lifters, only way can be done is to take the engine apart and replace them.
There are oil additives that exists that might make the noise less noticeable, but those are not 'fixes'.
https://www.2carpros.com/articles/engine-noises
Please let me know of any questions.
Thank you.
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Wednesday, September 22nd, 2021 AT 10:56 PM