Hummer H2. Manual — part 1788
Fig. 340: Oil Pump & Bolt
Courtesy of GENERAL MOTORS CORP.
7. Remove the oil pump bolts.
8. Remove the oil pump.
TIMING CHAIN AND SPROCKETS REMOVAL
Tools Required
z
J 8433-1 Puller Bar. See Special Tools and Equipment .
z
J 41558 Crankshaft Sprocket Remover. See Special Tools and Equipment .
z
J 41816-2 Crankshaft End Protector
IMPORTANT: Do not allow dirt or debris to enter the oil pump assembly, cap ends as
necessary.
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
Fig. 341: Camshaft Sprocket, Bolt & Timing Chain
Courtesy of GENERAL MOTORS CORP.
1. Remove the camshaft sprocket bolts.
2. Remove the camshaft sprocket and timing chain.
NOTE:
Do not turn the crankshaft assembly after the timing chain has been
removed in order to prevent damage to the piston assemblies or the
valves.
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
Fig. 342: View Of J 8433-1, J 41816-2 & J 41558
Courtesy of GENERAL MOTORS CORP.
3. Use the J 8433-1 , the J 41816-2 , and the J 41558 in order to remove the crankshaft sprocket. See
Special Tools and Equipment .
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
Fig. 343: Crankshaft Sprocket
Courtesy of GENERAL MOTORS CORP.
4. Remove the crankshaft sprocket.
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
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