S10/T10 Blazer 4WD V6-4.3L VIN W (1997)
2. Use the crankshaft balancer installer to install the crankshaft sprocket.
3. Install the camshaft sprocket and timing chain.
NOTE: The gears must mesh in order to prevent damage to the camshaft retainer.
CAUTION Be sure to align the camshaft and the crankshaft sprocket marks.
Timing marks (Number 4 Firing).
