Hummer H2. Manual - part 1694

Fig. 15: Lower Engine Assembly Component Views
Courtesy of GENERAL MOTORS CORP. 

Callouts For Fig. 15 

Callout

Component Name

100

Engine Block

102

Connecting Rod Bolt

103

Connecting Rod Cap

104

Connecting Rod Bearings

105

Connecting Rod

106

Piston Pin

107

Piston

108

Piston Rings

109

Piston Pin Clip - Second Design with Full-Floating Pin

120

Crankshaft Thrust Bearing

120

Crankshaft Thrust Bearing

121

Crankshaft Main Bearing

121

Crankshaft Main Bearing

122

Crankshaft Sprocket Key

124

Crankshaft

126

Bearing Cap

127

Bearing Cap Side Bolt

128

Bearing Cap Bolt/Stud

129

Bearing Cap Bolt

400

Oil Pan

401

Closeout Cover - Right

402

Closeout Cover Bolt - Right

403

Crankshaft Oil Deflector Nut

425

Crankshaft Oil Deflector

426

Oil Pan Gasket

427

Oil Pan Baffle Bolt

428

Oil Pan Baffle

429

Oil Pan Drain Plug O-Ring

430

Oil Pan Drain Plug

431

Closeout Cover - Left

432

Closeout Cover Bolt - Left

433

Oil Pan Cover Gasket

434

Oil Pan Cover

435

Oil Pan Cover Bolts

436

Oil Filter Bypass Valve

437

Oil Filter

 

2004 Hummer H2 

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

  

Fig. 16: Engine Block Plugs/Sensors Component Views 
Courtesy of GENERAL MOTORS CORP. 

Callouts For Fig. 16 

438

Oil Filter Adapter

439

Oil Pan Bolt

700

Crankshaft Position Sensor Bolt

701

Crankshaft Position Sensor

702

Crankshaft Position Sensor O-Ring

727

Oil Level Sensor

728

O-Ring

Callout

Component Name

 

2004 Hummer H2 

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

  

100

Engine Block

101

Engine Block Front Oil Gallery Plug

110

Engine Block Rear Oil Gallery Plug O-Ring

110

Engine Block Rear Oil Gallery Plug O-Ring

111

Engine Block Rear Oil Gallery Plug

111

Engine Block Rear Oil Gallery Plug

112

Oil Gallery Plug

113

Oil Gallery Plug Washer

114

Coolant Heater

115

Coolant Heater Washer

116

Oil Gallery Plug

117

Oil Gallery Plug Washer

130

Transmission Housing Locating Pin

145

Coolant Drain Plug Washer - Right

146

Coolant Drain Plug - Right

700

Crankshaft Position (CKP) Sensor Bolt

701

CKP Sensor

702

CKP Sensor O-Ring

703

Camshaft Position (CMP) Sensor

704

CMP Sensor O-Ring

705

CMP Sensor Bolt

706

Oil Pressure Sensor

707

Oil Pressure Sensor Washer

 

2004 Hummer H2 

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

  

Fig. 17: Oil Pump Assembly Component Views 
Courtesy of GENERAL MOTORS CORP. 

Callouts For Fig. 17 

ENGINE IDENTIFICATION 

Callout

Component Name

408

Cover Bolt

409

Cover

410

Drive Gear

412

Driven Gear

413

Oil Pump

414

Pressure Relief Valve

415

Pressure Relief Valve Spring

416

Plug

 

2004 Hummer H2 

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2