G 20 3/4 Ton Van V8-379 6.2L DSL VIN C FI (1984)
Harmonic Balancer - Crankshaft Pulley: Service and Repair
Crankshaft Pulley & Damper
Fig. 20 Torsional damper
1.
Disconnect batteries, then remove crankshaft pulley as described under ``Crankshaft Pulley, Replace.''
2.
Remove torsional damper using Tool J-23523 and suitable pilot.
3.
Reverse procedure to install. Torque bolt to 150 ft. lbs. on 1982---84 models, or 200 ft. lbs. on 1985---87 models, Fig. 20.