Chevrolet Silverado / GMC Sierra. Manual — part 115
Fig. 378: View Of Crankshaft Pulley & Bolts
Courtesy of GENERAL MOTORS CORP.
2. Remove the bolts and the crankshaft pulley.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 379: Removing Crankshaft Balancer Using J 23523-F
Courtesy of GENERAL MOTORS CORP.
3. Use the J 23523-F in order to remove the crankshaft balancer.
1. Install the J 23523-F plate and bolts onto the crankshaft balancer.
Tighten: Tighten the bolts to 25 N.m (18 lb ft).
2. Install the J 23523-F forcing screw into the plate.
3. Rotate the J 23523-F forcing screw clockwise in order to remove the crankshaft
balancer.
4. Remove the J 23523-F from the crankshaft balancer.
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 380: View Of Crankshaft Balancer Weights
Courtesy of GENERAL MOTORS CORP.
5. Note the position and length of any crankshaft balancer front groove pins, if applicable.
VALVE ROCKER ARM COVER REMOVAL - LEFT SIDE
IMPORTANT: If replacing the crankshaft balancer, NEW weights must be
installed into the NEW crankshaft balancer, in the same
location as the old weights in the old balancer.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 381: Valve Rocker Arm Cover Bolts (Left)
Courtesy of GENERAL MOTORS CORP.
1. Remove the valve rocker arm cover bolts.
2. Remove the valve rocker arm cover bolt grommets.
3. Discard the valve rocker arm cover bolt grommets.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
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