K 3500 Truck 4WD V8-6.6L DSL Turbo VIN 1 (2001)
Lifter / Lash Adjuster: Service and Repair
Valve Lifter Replacement
Removal Procedure
1. Remove the cylinder head assembly.
2. Remove the valve lifter guide hold down bracket bolts.
3. Remove the valve lifter guide hold down brackets.
4. Remove the valve lifter guides.
5. Remove the valve lifters.
Inspection and Repair
1. Clean the valve lifter in suitable cleaning solvent and air dry.
2. Measure the roller protrusion from the valve lifter body.
The roller protrusion production valve is 0.989 - 1.0 mm (0.0389 - 0.0394 inch) and service limit is over 0.9 mm (0.0354 inch).
3. Replace the valve lifter assembly if the measurement value is less than the service limit.
4. Inspect the valve lifters for the following:
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The valve lifter body for scuffing and wear
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The valve lifter roller assembly for wear
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The valve lifter roller for smooth rotation
5. Inspect the valve lifter bore in the cylinder block for scuffing and wear.
Installation Procedure
