Sierra 1500 4WD V8-6.0L (2007)
4. Remove the valve lifters (209, 219) from the guide (210).
Important: The active fuel management lifters are installed into the guide by aligning the notched area of the guide (1) with the raised
surface on the side of the lifter (2).
5. Organize or mark the components so that they can be installed in the same location from which they were removed, if required.
6. Clean and inspect the valve lifters, if required. Refer to Valve Lifters and Guides Cleaning and Inspection (RPO LY2/LY6/L92) Valve Lifters and
Guides Cleaning and Inspection (RPO LH6/LMG/LY5/LC9/L76).
Installation Procedure
Important:
*
When reusing valve lifters, install the lifters to their original locations.
*
Each of the 4 valve guide assemblies will contain 2 active fuel management valve lifters and 2 non active fuel management valve lifters.
*
With the lifters and guides properly installed, cylinders 1, 4, 6, and 7 lifter bores will each contain 2 active fuel management valve lifters.
