Blazer 2WD V6-4.3L VIN X (2004)
5. 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.
8. Inspect the camshaft for wear or damage. If the wear is questionable remove the camshaft and inspect.
Important: Components that are to be reused must be marked, sorted, and organized for assembly.
9. Mark, sort, and organize the components for assembly.
10. Clean the components in cleaning solvent.
11. Dry the components with compressed air.
12. Inspect the valve lifter pushrod guides for excessive wear.
13. inspect the valve lifter pushrod guides for cracks or damage.
