S10/T10 Blazer 2WD V6-4.3L VIN X (2003)
6. Clean the components with cleaning solvent.
7. Dry the components with compressed air.
8. Inspect the valve rocker arm components for the following:
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Valve rocker arm valve pushrod socket contact surface (1)
The contact surface must be smooth with no scoring or excessive wear.
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Valve rocker arm roller pivot for binding or damage (2)
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Valve rocker arm valve stem contact surface (3)
The contact surface should be smooth with no scoring or excessive wear.
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Valve rocker arm bolt threads for damage (4)
9. Inspect the valve pushrods for the following:
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Restriction of the oil passage (1)
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Wear or scoring of the end contact surfaces (2)
The end contact surfaces must be smooth with no scoring or excessive wear.
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Shaft for bends (3)
Roll the valve pushrod on a flat surface to determine if the valve pushrod is bent.
10. Inspect the valve rocker support for excessive wear or damage.
