Envoy 4WD V6-4.3L VIN W (1998)
1. Install the camshaft into the engine block.
2. Position the drive gear onto the camshaft.
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Ensure that the timing marks align.
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The number four cylinder will be at the top dead center of its compression stroke.
3. Line up the timing marks on the camshaft sprocket and the crankshaft sprocket dot to dot. When these dots are lined up dot to dot, the number four
cylinder is at the top dead center of its compression stroke.
4. Install the camshaft timing chain and camshaft sprocket.
NOTICE: Failure to properly align the crankshaft position sensor reluctor ring may result in component damage and effect OBD II system
performance.
5. Install the crankshaft position sensor reluctor ring.
