Removal Procedure

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

Fig 1: Flywheel Holder

Courtesy of GENERAL MOTORS COMPANY

Remove the oil pump. Refer to Oil Pump, Screen, and Crankshaft Oil Deflector Replacement (L99, LS3,LSA) .
Remove the starter motor. Refer to Starter Replacement (L99, LS3, LSA, LS7) .

CAUTION:

NOTE:

Ensure that the teeth of the J 42386-A flywheel holding tool mesh with the teeth of the engine flywheel.

Install the J 42386-A flywheel holding tool (1) 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 flywheel holding tool bolts to 50 N.m (37 lb ft).
Remove the camshaft position actuator. Refer to Camshaft Position Actuator Replacement .

Fig 2: View Of Timing Chain Tensioner & Bolts

Courtesy of GENERAL MOTORS COMPANY

Fig 3: View Of Crankshaft Sprocket Special Tools

Courtesy of GENERAL MOTORS COMPANY

Using the J 41816-2 crankshaft end protector (1), the J 41558 crankshaft sprocket remover (2), bolts (3) and the J 8433 puller bar (4) in order to remove the crankshaft sprocket.

Fig 4: View Of Crankshaft Sprocket

Courtesy of GENERAL MOTORS COMPANY

Fig 5: View Of Crankshaft Key & Keyway

Courtesy of GENERAL MOTORS COMPANY