Crankshaft Balancer Removal (LS3 or L99)

Special Tools

• J 41816  Crankshaft Balancer Remover
• J 41816-2  Crankshaft End Protector
• J 42386-A  Flywheel Holding Tool

For equivalent regional tools, refer to Special Tools .

Fig 1: Flywheel Holder
Courtesy of GENERAL MOTORS COMPANY
CAUTION:

Refer to Fastener Caution .

NOTE:

Do not use the crankshaft balancer bolt again. Install a NEW crankshaft balancer bolt during final assembly.

1. Install the J 42386-A  holding tool and bolts.

   Use one M10 - 1.5 x 120 mm and one M10 - 1.5 x 45 mm bolt for proper tool operation. Tighten the J 42386-A  holding tool bolts to 50 N.m (37 lb ft).

Fig 2: Crankshaft Balancer Bolt
Courtesy of GENERAL MOTORS COMPANY
2. Remove the crankshaft balancer bolt (139). Do not discard the crankshaft balancer bolt. The balancer bolt will be used during the balancer installation procedure.
Fig 3: Removing Crankshaft Balancer
Courtesy of GENERAL MOTORS COMPANY
3. Use the J 41816  remover (1) and the J 41816-2  protector (2) in order to remove the crankshaft balancer.
Fig 4: Crankshaft Balancer & Washer
Courtesy of GENERAL MOTORS COMPANY
4. Remove the crankshaft balancer (1) and the crankshaft balancer washer (2).
5. Remove the J 42386-A  holding tool and bolts.