You will need to remove the left valve rocker arms, remove the stationary hydraulic lash adjusters (SHLA) from the bores, then clean and inspect the valve lifters.
By Bob
GM Specialist
02/11/2022
Q: How to install the Valve Lifter-Left Side?
A:
You may need to fill the stationary hydraulic lash adjuster (SHLA) with clean engine oil, install the new SHLA into the bores, then install the left valve rocker arms.
By Bob
GM Specialist
02/11/2022
FAQ for Other Repair Info
Q: What's the recommended torque for the water pump drive belt tensioner studs?
A:
The recommended torque is 10 N.m (89 lb in).
Q: What tools are needed to replace the Valve Stem Oil Seal and Valve Spring-Left Side?
A:
You will need J 38820 Valve Stem Seal Remover and Installer, J 39313 Spark Plug Port Adapter, J 43059 On-Vehicle Valve Retainer Remover/Installer, J 44211 Valve Spring Compressor, and J 44214 Flywheel Holder.