Special Tools

WARNING: This page is about a different car, the 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

EN-48585: Crankshaft Balancer Guide
EN-48953: Camshaft Actuator Locking Tool
J 43653: Flywheel Holding Tool
J 45059: Angle Meter

For equivalent regional tools, refer to Special Tools .

Fig 1: Crankshaft Balancer

Courtesy of GENERAL MOTORS CORP.

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

Install the balancer onto the EN-48585: guide. Use care to properly align the keyway and flats on the balancer with the oil pump drive.
Install the crankshaft balancer into the end of the crankshaft.
Ensure that J 43653: tool is installed and engaging the flywheel to prevent crankshaft rotation.

CAUTION: Refer to Fastener Caution .

NOTE: Always install a NEW crankshaft balancer retaining bolt.

Install a NEW retaining bolt and tighten to 100 N.m (74 lb ft) plus 125 degrees using J 45059: meter.
Remove J 43653: tool.

Fig 2: View Locking Tool

Courtesy of GENERAL MOTORS CORP.

Install EN-48953: locking tool (1) and tighten the bolts into the cylinder head to 10 N.m (89 lb in).
Release the timing chain tensioner by applying 45 N.m (33 lb ft) counterclockwise torque to the crankshaft balancer bolt.
Remove EN-48953: locking tool.