Chevrolet Silverado / GMC Sierra. Manual - part 202
Tighten: Tighten the J 23523-F plate bolts to 25 N.m (18 lb ft).
2. Install the J 23523-F screw into the end for the crankshaft.
3. Install the J 23523-F bearing, the washer, and the nut onto the J 23523-F screw.
4. Rotate the J 23523-F nut clockwise until the crankshaft balancer hub is completely
seated against the crankshaft position sensor reluctor ring.
6. Remove the J 23523-F .
Fig. 674: View Of Crankshaft Pulley & Bolts
Courtesy of GENERAL MOTORS CORP.
7. Install the crankshaft pulley and bolts. Finger tighten all bolts until snug.
Tighten: Tighten the crankshaft pulley bolts to 58 N.m (43 lb ft).
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 675: Crankshaft Balancer Washer
Courtesy of GENERAL MOTORS CORP.
8. Ensure that the crown of the crankshaft balancer washer (2) is faced away from the engine.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 676: View Of Crankshaft Balancer Washer & Bolt
Courtesy of GENERAL MOTORS CORP.
9. Install the crankshaft balancer washer and the bolt.
Tighten: Tighten the crankshaft balancer bolt to 95 N.m (70 lb ft).
VALVE LIFTER INSTALLATION
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 677: View Of Valve Lifters
Courtesy of GENERAL MOTORS CORP.
1. Apply lubricant GM P/N 12345501 (Canadian P/N 992704) or equivalent, to the valve
lifter rollers.
2. Install the valve lifters.
IMPORTANT: If reusing the valve lifters, install the valve lifters in the
original positions.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado