Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Remove the air conditioning (A/C) drive belt. Refer to Drive Belt Replacement - Air Conditioning .
Remove the fan shroud - lower. Refer to Fan Shroud Replacement - Lower in Engine Cooling.
Remove the starter motor. Refer to Starter Motor Replacement (4.8L, 5.3L, and 6.0L Engines) in Engine Electrical.
NOTE: Refer to Fastener Notice in Cautions and Notices.

IMPORTANT:

Make sure that the teeth of the J 42386-A mesh with the teeth of the engine flywheel.
The crankshaft balancer is balanced as an individual component. It is not necessary to mark the balancer prior to removal.

Install the J 42386-A and bolts.
Use one M10-1.5 x 120 mm and one M10-1.5 x 45 mm bolt for proper tool operation.

Tighten: Tighten the J 42386-A bolts to 50 N.m (37 lb ft).

Fig 1: Using J 42386-A To Lock Flywheel

Courtesy of GENERAL MOTORS CORP.

Remove the crankshaft balancer bolt.
Do not discard the crankshaft balancer bolt. The balancer bolt will be used during the balancer installation procedure.

Fig 2: View Of Crankshaft Balancer Bolt

Courtesy of GENERAL MOTORS CORP.

Fig 3: Removing The Crankshaft Balancer

Courtesy of GENERAL MOTORS CORP.

Use the J 41816 and J 41816-2 in order to remove the crankshaft balancer.
Remove the J 41816 and the J 41816-2 from the crankshaft balancer.
Clean and inspect the crankshaft balancer. Refer to Crankshaft Balancer Cleaning and Inspection .