Engine - Revised Balancer Assembly Bolt Tightening
88chevy22Number: 88-240-6A
Section: 6A
Date: JUNE, 1988
Subject: SERVICE MANUAL UPDATE - REVISED FORCE BALANCER BOLT TIGHTENING PROCEDURE
Model and Year: 1988 CELEBRITY WITH 2.5L ENGINE
TO: ALL CHEVROLET DEALERS
A revised bolt tightening procedure has been developed to provide a more uniform clamp load on the balancer assembly.
The following procedure supersedes the existing service procedure.
Referring to the figure:
1. Snug bolts to 12 N-m. (9 ft.lbs.) in the following sequence: 3-1-2-4.
2. Following the same sequence, tighten the short bolts to 20 N-m. (15 ft.lbs.) plus 60 degrees (one flat of the bolt head) and the long bolts to 15 N-m. (11 ft.lbs.) plus 90 degrees (one and a half flats).