Hummer H2. Manual — part 1380

J 38125

Terminal Repair Kit

J 38125-5

Ultra Torch

J 39200

Digital Multimeter

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Wiring Systems - Hummer H2

J 42675

Flat-Wire Probe Adapter

J 43244

Relay Puller Pliers

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Wiring Systems - Hummer H2

2004 ENGINE

Engine Cooling - Hummer H2

SPECIFICATIONS

FASTENER TIGHTENING SPECIFICATIONS

Fastener Tightening Specifications

SCHEMATIC AND ROUTING DIAGRAMS

ENGINE COOLING SCHEMATICS

Application

Specification

Metric

English

Air Cleaner Outlet Duct Clamp Screw (4.8L, 5.3L, and 6.0L Engines)

7 N.m

62 lb in

Air Cleaner Outlet Duct Wingnut (4.3L Engine)

3 N.m

27 lb in

Coolant Air Bleed Pipe Stud/Bolt (4.8L, 5.3L, and 6.0L Engines)

12 N.m

106 lb in

Coolant Heater Cord Bolt

8 N.m

71 lb in

Coolant Heater Bolt (4.3L Engine)

2 N.m

18 lb in

Coolant Heater (4.8L, 5.3L, 6.0L Engines)

50 N.m

37 lb ft

Engine Block Coolant Drain Plug (4.3L Engine)

20 N.m

15 lb ft

Engine Coolant Temperature Sensor (6.6L Engine)

33 N.m

24 lb ft

Fan Clutch Bolt

23 N.m

17 lb ft

Fan Clutch Nut

56 N.m

41 lb ft

Fan Shroud Bolt

9 N.m

80 lb in

Fan and Water Pump Pulley Bolt (4.3L Engine)

25 N.m

18 lb ft

Oil Cooler Hose Adapter Bolt (6.0L Engine)

12 N.m

106 lb in

Oil Cooler Hose Bracket Bolt (6.0L Engine)

25 N.m

18 lb ft

Radiator Bolt

25 N.m

18 lb ft

Surge Tank Bolt/Nut

9 N.m

80 lb in

Thermostat Housing Bolt (4.8L, 5.3L, and 6.0L Engines)

15 N.m

11 lb ft

Transmission Control Module (TCM) Cover Bolt

9 N.m

80 lb in

Transmission Control Module (TCM) Electrical Connector Bolt

8 N.m

71 lb in

Water Outlet Stud (4.3L Engine)

25 N.m

18 lb ft

Water Pump Bolt (4.3L Engine)

45 N.m

33 lb ft

Water Pump Bolt (First Pass) (4.8L, 5.3L, and 6.0L Engines)

15 N.m

11 lb ft

Water Pump Bolt (Final Pass) (4.8L, 5.3L, and 6.0L Engines)

30 N.m

22 lb ft

2004 Hummer H2

2004 ENGINE Engine Cooling - Hummer H2

2004 Hummer H2

2004 ENGINE Engine Cooling - Hummer H2

Fig. 1: Engine Cooling Schematics
Courtesy of GENERAL MOTORS CORP.

COMPONENT LOCATOR

COOLING SYSTEM COMPONENT VIEWS

2004 Hummer H2

2004 ENGINE Engine Cooling - Hummer H2