Blazer 4WD V6-4.3L VIN X (2005)
Lifter / Lash Adjuster: Service and Repair
Valve Lifter Replacement
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Tools Required
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J 3049-A Valve Lifter Remover
Removal Procedure
1. Remove the lower intake manifold.
2. Remove the valve rocker arms and the valve pushrods.
3. Important: Place the components in a rack so that the components can be reinstalled to their original location.
Remove the bolts and valve lifter pushrod guide.
4. Important: Place the valve lifters in the rack in the upright position in order to maintain the oil inside the valve lifters.
Remove the valve lifters.
5. Important: Some valve lifters may be stuck in the valve lifter bores because of gum or varnish deposits and may require the use of J 3049-A for
removal.
Use the J 3049-A in order to remove the stuck valve lifters.
6. Use a cleaning solvent and a shop towel to clean any varnish from the valve lifter bores.
7. Inspect the valve lifter bores for excessive wear or scoring. Replace the engine block if there is excessive wear or deep scoring.