Crankshaft Balancer Installation (LF4)

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

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
CAUTION: This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component. Preliminary Procedures Install the EN-46106 Flywheel Holding Tool through the starter mounting hole. Apply lubricant to the inside of the crankshaft balancer hub bore. Use the EN-41998-B Crankshaft Balancer Installer to install the crankshaft balancer. Thread the EN-41998-B Crankshaft Balancer Installer in the crankshaft. Ensure you engage at least 10 threads of the EN-41998-B Crankshaft Balancer Installer before pressing the crankshaft balancer in place. Push the crankshaft balancer into position by tightening the nut on the EN-41998-B Crankshaft Balancer Installer until the large washer bottoms out on the crankshaft end. Remove the EN-41998-B Crankshaft Balancer Installer. Install the NEW crankshaft balancer bolt. Remove the EN-46106 Flywheel Holding Tool through the starter mounting hole. Special Tools EN-41998-B Crankshaft Balancer Installer EN-46106 Flywheel Holding Tool EN-45059 Angle Meter For equivalent regional tools, refer to Special Tools (LF4) .
1	Crank Shaft Balancer Bolt CAUTION: Refer to Fastener Caution . NOTE: Install the NEW crankshaft balancer bolt. Tighten 100 N.m (74 lb ft) Additional 150 degrees using the EN-45059 Angle Meter.
2	Crank Shaft Balancer NOTE: Do not lubricate the crankshaft front oil seal or crankshaft balancer sealing surfaces. The crankshaft balancer is installed into a dry seal.

Callout

Component Name

CAUTION:

This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

Preliminary Procedures

Install the EN-46106 Flywheel Holding Tool through the starter mounting hole.
Apply lubricant to the inside of the crankshaft balancer hub bore.
Use the EN-41998-B Crankshaft Balancer Installer to install the crankshaft balancer.
Thread the EN-41998-B Crankshaft Balancer Installer in the crankshaft. Ensure you engage at least 10 threads of the EN-41998-B Crankshaft Balancer Installer before pressing the crankshaft balancer in place.
Push the crankshaft balancer into position by tightening the nut on the EN-41998-B Crankshaft Balancer Installer until the large washer bottoms out on the crankshaft end.
Remove the EN-41998-B Crankshaft Balancer Installer.
Install the NEW crankshaft balancer bolt.
Remove the EN-46106 Flywheel Holding Tool through the starter mounting hole.

Special Tools

EN-41998-B Crankshaft Balancer Installer
EN-46106 Flywheel Holding Tool
EN-45059 Angle Meter

For equivalent regional tools, refer to Special Tools (LF4) .

Crank Shaft Balancer Bolt

CAUTION:

Refer to Fastener Caution .

NOTE:

Install the NEW crankshaft balancer bolt.

Tighten

100 N.m (74 lb ft)
Additional 150 degrees using the EN-45059 Angle Meter.

Crank Shaft Balancer

NOTE:

Do not lubricate the crankshaft front oil seal or crankshaft balancer sealing surfaces. The crankshaft balancer is installed into a dry seal.