Crankshaft Balancer Installation (LGX)

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Crankshaft Balancer Procedure Install the EN-46106 Flywheel Holding Tool through the starter mounting hole. NOTE: The top starter hole will require a longer bolt and nut to secure the tool. Assemble the EN-41478-A Crankshaft Front Oil Seal Installer threaded rod, nut, washer and the EN-41665-A Crankshaft Balancer and Sprocket Installer. Insert the smaller end of the installer into the front of the balancer. Use a wrench and hold the hex end of the threaded rod. Use a second wrench and rotate the installation tool nut clockwise until the balancer is started onto the crankshaft. Remove the tool and reverse the installation tool. Position the larger end of the installer against the front of the balancer. Use wrench and hold the hex end of the threaded rod. Use a second wrench and rotate the nut clockwise until the balancer is installed onto the crankshaft. Remove the balancer installation tools. NOTE: Do not lubricate the crankshaft front oil seal or crankshaft balancer sealing surfaces. The crankshaft balancer is installed into a dry seal. Special Tools EN-41478-A Crankshaft Front Oil Seal Installer EN-41665-A Crankshaft Balancer and Sprocket Installer EN-46106 Flywheel Holding Tool Equivalent regional tools: Special Tools (LGX)
2	Crankshaft Balancer Bolt 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. CAUTION: Refer to Fastener Caution . Procedure Install a NEW crankshaft balancer bolt. Remove the EN-46106 Flywheel Holding Tool through the starter mounting hole. Tighten First Pass: 80 N.m (59 lb ft) Final Pass: 125 degrees using the EN-45059 Angle Meter Special Tools EN-45059 Angle Meter

Callout

Component Name

Crankshaft Balancer

Procedure

Install the EN-46106 Flywheel Holding Tool through the starter mounting hole.
NOTE:
The top starter hole will require a longer bolt and nut to secure the tool.
Assemble the EN-41478-A Crankshaft Front Oil Seal Installer threaded rod, nut, washer and the EN-41665-A Crankshaft Balancer and Sprocket Installer.
Insert the smaller end of the installer into the front of the balancer. Use a wrench and hold the hex end of the threaded rod. Use a second wrench and rotate the installation tool nut clockwise until the balancer is started onto the crankshaft.
Remove the tool and reverse the installation tool. Position the larger end of the installer against the front of the balancer. Use wrench and hold the hex end of the threaded rod. Use a second wrench and rotate the nut clockwise until the balancer is installed onto the crankshaft.
Remove the balancer installation tools.

NOTE:

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

Special Tools

EN-41478-A Crankshaft Front Oil Seal Installer
EN-41665-A Crankshaft Balancer and Sprocket Installer
EN-46106 Flywheel Holding Tool

Equivalent regional tools: Special Tools (LGX)

Crankshaft Balancer Bolt

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.

CAUTION:

Refer to Fastener Caution .

Procedure

Install a NEW crankshaft balancer bolt.
Remove the EN-46106 Flywheel Holding Tool through the starter mounting hole.

Tighten

First Pass: 80 N.m (59 lb ft)
Final Pass: 125 degrees using the EN-45059 Angle Meter

Special Tools
EN-45059 Angle Meter