Hummer H3. Manual — part 549

Fig. 215: View Of Crankshaft Key & Keyway
Courtesy of GENERAL MOTORS CORP.

8. Remove the crankshaft sprocket key, as required.

Installation Procedure

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

Fig. 216: View Of Crankshaft Key & Keyway
Courtesy of GENERAL MOTORS CORP.

1. Install the key into the crankshaft keyway, if previously removed.

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

Fig. 217: View Of Installed Crankshaft Key
Courtesy of GENERAL MOTORS CORP.

2. Tap the key (122) into the keyway until both ends of the key bottom onto the crankshaft.

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

Fig. 218: View Of Crankshaft Sprocket
Courtesy of GENERAL MOTORS CORP.

3. Install the crankshaft sprocket (207) onto the front of the crankshaft. Align the crankshaft

key with the crankshaft sprocket keyway.

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3