Hummer H2. Manual - part 1416

COOLING SYSTEM SPECIFICATIONS

Application

Specification

Coolant Replacement Interval

(1)

 150,000 Miles

Coolant Capacity 

(2)

13 Qts. (12.3L)

Pressure Cap

15 psi

Thermostat

Starts To Open

188°F (87°C)

Fully Open

206°F (97°C)

 

(1)

Or every 60 months, whichever comes first. Use GM Goodwrench DEX-COOL(R).

(2)

Specification is approximate and includes heater capacity.

 

2004 Hummer H2 

2003-04 ENGINE COOLING Specifications & Drive Belt Routing - H2

  

2004 ENGINE PERFORMANCE

Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2 

SPECIFICATIONS 

TEMPERATURE VS RESISTANCE 

Temperature vs Resistance 

ALTITUDE VS BAROMETRIC PRESSURE 

Altitude vs Barometric Pressure 

° C

° F

OHMS

Temperature vs Resistance Values (Approximate)

150

302

47

140

284

60

130

266

77

120

248

100

110

230

132

100

212

177

90

194

241

80

176

332

70

158

467

60

140

667

50

122

973

45

113

1188

40

104

1459

35

95

1802

30

86

2238

25

77

2796

20

68

3520

15

59

4450

10

50

5670

5

41

7280

0

32

9420

-5

23

12300

-10

14

16180

-15

5

21450

-20

-4

28680

-30

-22

52700

-40

-40

100700

 

2004 Hummer H2 

2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2

  

 

2004 Hummer H2 

2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2

  

IGNITION SYSTEM SPECIFICATIONS 

Ignition System Specifications 

FASTENER TIGHTENING SPECIFICATIONS 

Fastener Tightening Specifications 

Altitude Measured in 

Meters (m)

Altitude Measured in 

Feet (ft)

Barometric Pressure Measured in 

Kilopascals (kPa)

Determine your altitude by contacting a local weather station or by using another reference source.

4 267

14,000

56-64

3 962

13,000

58-66

3 658

12,000

61-69

3 353

11,000

64-72

3 048

10,000

66-74

2 743

9,000

69-77

2 438

8,000

71-79

2 134

7,000

74-82

1 829

6,000

77-85

1 524

5,000

80-88

1 219

4,000

83-91

914

3,000

87-95

610

2,000

90-98

305

1,000

94-102

0

0 Sea Level

96-104

-305

-1,000

101-105

Application

Specification

Metric

English

Firing Order

1-8-7-2-6-5-4-3

Spark Plug Wire Resistance

1000 ohms per ft

Spark Plug Torque

15 N.m

11 lb ft

Spark Plug Gap

1.52 mm

0.060 in

Spark Plug Type

25171803 [AC plug type] 

12567759 [NGK plug type]

Application

Specifications

Metric

English

Accelerator Pedal Nut

20 N.m

15 lb ft

Air Cleaner Housing Bolt

10 N.m

89 lb in

Air Cleaner Outlet Duct Clamp

7 N.m

62 lb in

Camshaft Position (CMP) Sensor Bolt

25 N.m

18 lb ft

 

2004 Hummer H2 

2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2

  

DIAGNOSTIC TROUBLE CODE (DTC) TYPE DEFINITIONS 

Emissions Related DTCs 

Action Taken When the DTC Sets - Type A 

The control module illuminates the malfunction indicator lamp (MIL) when the diagnostic runs and fails. 

Action Taken When the DTC Sets - Type B 

The control module illuminates the MIL on the second consecutive ignition cycle that the diagnostic runs and 
fails. 

Conditions for Clearing the MIL/DTC - Type A or Type B 

Corner Brace Bolt

25 N.m

18 lb ft

Crankshaft Position (CKP) Sensor Bolt

25 N.m

18 lb ft

Engine Coolant Temperature (ECT) Sensor

20 N.m

15 lb ft

Engine Sight Shield Bracket Bolt

10 N.m

89 lb in

Engine Wiring Harness Bracket Nut

5 N.m

44 lb in

EVAP Canister Bolt

25 N.m

18 lb ft

EVAP Canister Purge Solenoid Bolt

10.5 N.m

93 lb in

Fuel Fill Hose/Vent Hose to Tank Clamp

2.5 N.m

22 lb in

Fuel Fill Pipe Bracket Bolt

12 N.m

106 lb in

Fuel Rail Bolts

10 N.m

89 lb in

Fuel Tank Ground Strap Bolt

9 N.m

80 lb in

Fuel Tank Fill Pipe Clamp

2.5 N.m

22 lb in

Fuel Tank Filler Housing to Body Screw

2.3 N.m

20 lb in

Fuel Tank Shield Bolt

25 N.m

18 lb ft

Fuel Tank Strap Bolt

40 N.m

30 lb ft

Heated Oxygen Sensor (HO2S)

42 N.m

31 lb ft

Ignition Coil Bolt

8 N.m

71 lb in

Knock Sensor

20 N.m

15 lb ft

Mass Air Flow/Intake Air Temperature (MAF/IAT) Sensor Clamp

7 N.m

62 lb in

Powertrain Control Module (PCM) Electrical Connector Bolt

8 N.m

71 lb in

Spark Plug

z

Used Head  

15 N.m

11 lb ft

z

New Head (Aluminum)  

20 N.m

15 lb ft

z

New Head (Iron)  

30 N.m

22 lb ft

Throttle Actuator Control (TAC) Module Nut

9 N.m

80 lb in

Throttle Body Nut

10 N.m

89 lb in

 

2004 Hummer H2 

2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2