Removal Procedure

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

Fig 1: View Of Special Tool & Bolts

Courtesy of GENERAL MOTORS COMPANY

Remove the drive belt. Refer to Drive Belt Replacement .
Remove the cooling fan and shroud. Refer to Cooling Fan and Shroud Replacement (HP2) .

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 (37 lb ft).

Fig 2: View Of Crankshaft Balancer Bolt

Courtesy of GENERAL MOTORS COMPANY

Remove the crankshaft balancer bolt (139). Do not discard the crankshaft balancer bolt at this time. The old balancer bolt will be used during the balancer installation procedure.

Fig 3: View Of Crankshaft Balancer With J 41816 & J 41816-2 Removal Tools

Courtesy of GENERAL MOTORS COMPANY

Install the J 41816-A crankshaft balancer remover (1) and J 41816-2 crankshaft end protector (2) to the crankshaft balancer.

Fig 4: View Of Crankshaft Balancer

Courtesy of GENERAL MOTORS COMPANY

NOTE:

The crankshaft balancer is balanced as an individual component. It is not necessary to mark the balancer prior to removal.

Use the J 41816-A crankshaft balancer remover and the J 41816-2 crankshaft end protector to remove the crankshaft balancer (138).
Remove the J 41816-A crankshaft balancer remover and the J 41816-2 crankshaft end protector from the crankshaft balancer.