Express 1/2 Ton Van V6-4.3L VIN X (2003)
8. Remove the crankshaft balancer key.
9. Clean and inspect the timing chain and sprockets.
Installation Procedure
1. Install the crankshaft balancer key into the crankshaft keyway.
The crankshaft balancer key should be parallel to the crankshaft or with a slight incline.
2. Align the keyway of the crankshaft sprocket with the crankshaft balancer key.
Caution: Refer to Safety Glasses Caution in Service Precautions.
3. Use the J 5590 in order to install the crankshaft sprocket.
4. Rotate the crankshaft until the crankshaft sprocket alignment mark is at the 12 o'clock position.
