Blazer 4WD V6-4.3L VIN X (2005)
1. Apply lubricant GM P/N 12345501 (Canadian P/N 992704) or equivalent to the valve lifter rollers.
2. Important: If reusing the valve lifters, install the valve lifters in the original positions.
Install the valve lifters.
3. Notice: Refer to Fastener Notice in Service Precautions.
Install the valve lifter pushrod guides.
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Tighten the valve lifter pushrod guide bolts to 16 Nm (12 ft. lbs.).
4. Install the valve rocker arms and pushrods.
5. Install the lower intake manifold.
