Sierra 3500 4WD V8-6.0L (2008)
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) (See: Service and
Repair/Overhaul)Valve Lifters and Guides Cleaning and Inspection (RPO LH6/LMG/LY5/LC9/L76) (See: Service and Repair/Overhaul) .
Installation Procedure
Important:
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When reusing valve lifters, install the lifters to their original locations.
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Each of the 4 valve guide assemblies will contain 2 active fuel management valve lifters and 2 non active fuel management valve lifters.
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With the lifters and guides properly installed, cylinders 1, 4, 6, and 7 lifter bores will each contain 2 active fuel management valve lifters.
1. Lubricate the valve lifters (209, 219) and engine block valve lifter bores with clean engine oil.
2. Insert the valve lifters into the lifter guides.
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Align the flat area (3) on the top of the non active fuel management lifter with the flat area in the lifter guide bore. Push the lifter completely
into the guide bore.
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The active fuel management lifters are to be installed into the guide, with the notch in the guide (1) aligned with the raised area (2) of the lifter.
