Savana 3/4 Ton Van V6-4.3L VIN X (2003)
Important: Be sure to keep parts in order. Parts must be reinstalled into the original location and position.
1. Install the valve pushrods.
Important: Be sure that the arrow on the valve rocker arm support is in the up position.
2. Install the valve rocker arm supports.
3. Apply prelude GM P/N 12345501 (Canadian P/N 992704) or equivalent to the following valve rocker arm contact surfaces:
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Valve pushrod socket (1)
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Roller pivot (2)
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Valve stem tip (3)