Crankshaft Balancer Installation

WARNING: This page is about a different variant/trim than selected.

Fig 1: View Of Crankshaft Balancer

Courtesy of GENERAL MOTORS CORP.

NOTE: Ensure both components are aligned correctly or serious engine damage will occur.

Install the balancer onto the crankshaft indexing keyway. Use care to properly align the keyway and flats on the balancer with the oil pump drive.

Fig 2: View Of Harmonic Balancer Holder J38122-A

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.

IMPORTANT: Always install a new crankshaft balancer retaining bolt and washer.

Install a new retaining bolt and washer. Use the J 38122-A and a breaker bar to prevent the crankshaft from rotating when tightening the bolt.
Tighten: Tighten the bolt to 100 N.m (74 lb ft) plus 125 degrees using the J 45059 .