Hummer H2. Manual - part 1925

BATTERY 

Service Specifications 

BATTERY SPECIFICATIONS 

BRAKES 

BLEEDING SEQUENCE 

BRAKE BLEEDING SEQUENCE 

DISC BRAKES 

Evaporator Tube At Condenser Nut

12 (16)

Evaporator Tube At Evaporator Nut

12 (16)

Hood Spring Mounting Bolt and Nut

13 (17)

Recirculation Actuator Screws

13 (17)

INCH Lbs. (N.m)

A/C Low Pressure Switch

53 (6)

A/C Refrigerant Pressure Sensor

53 (6)

Accumulator Bracket Nut

80 (9)

Air Distribution Duct Screws

18 (2)

Air Distribution Housing Screws

18 (2)

Blower Motor Screws

18 (2)

Condenser Upper Insulator Retainer Bolts

80 (9)

Evaporator Core Cover Screws

18 (2)

Filter Access Door Screw

18 (2)

Floor Air Outlet Duct Screw

14 (1.6)

Heater Core Cover Screws

18 (2)

HVAC Module Mounting Bolts

35 (4)

HVAC Module Mounting Nuts

80 (9)

HVAC Module Screws

18 (2)

Mode Actuator Screws

18 (2)

Application

Specification

GM Part Number

19001810

Replacement Battery Number

79-6YR

Cold Cranking Amperage (CCA)

880 Amps

Reserve Capacity Rating

115 Minutes

Application

Sequence

H2

RR, LR, RF & LF

 

2004 Hummer H2 

2004 SPECIFICATIONS H2

  

Service Specifications 

DISC BRAKES SPECIFICATIONS 

Torque Specifications 

TORQUE SPECIFICATIONS 

Applications

In. (mm)

Front Brakes 

(1)

Rotor Discard Thickness

1.437 (36.50)

Rotor Minimum Allowable Thickness After Refinish

1.457 (37.0)

Rotor Thickness (NEW)

1.496 (38.0)

Rotor Maximum Allowable Assembled Lateral Runout

0.005 (0.13)

Rotor Maximum Allowable Scoring

0.059 (1.50)

Rotor Maximum Allowable Thickness Variation

0.001 (0.025)

Rear Brakes 

(1)

Rotor Discard Thickness

1.083 (27.50)

Rotor Minimum Allowable Thickness After Refinish

1.102 (28.0)

Rotor Thickness (NEW)

1.142 (29.0)

Rotor Maximum Allowable Assembled Lateral Runout

0.005 (0.13)

Rotor Maximum Allowable Scoring

0.059 (1.50)

Rotor Maximum Allowable Thickness Variation

0.001 (0.025)

(1)

All brake rotors have a discard dimension cast into them. Replace any rotor that does not meet this 
specification. After refinishing rotor, replace any rotor that does not meet minimum thickness 
specifications.

Application

Ft. Lbs. (N.m)

Brake Backing Plate Bolts

100 (135)

Brake Hose-To-Caliper Bolt (Front)

30 (40)

Brake Hose-To-Caliper Holt (Rear)

30 (40)

Brake Pedal Bolt

35 (47)

Brake Pipe Fittings

18 (25)

Caliper Guide Pin Bolt (Front)

80 (108)

Caliper Guide Pin Bolt (Rear)

80 (108)

Caliper Mounting Bracket-To-Backing Plate (Front)

221 (300)

Caliper Mounting Bracket-To-Backing Plate (Rear)

122 (165)

Caliper Mounting Bracket-To-Knuckle (Front)

221 (300)

Front Wheel Hub Nuts

96 (130)

Hose Bracket-To-Anchor Plate Bolt

18 (25)

Master Cylinder Mounting Nuts

27 (36)

Negative Battery Cable Bolt

13 (17)

Power Brake Booster Nuts-Hydraulic

27 (36)

 

2004 Hummer H2 

2004 SPECIFICATIONS H2

  

CHARGING SYSTEM 

GENERATOR 

Service Specifications 

GENERATOR SPECIFICATIONS 

Torque Specifications 

TORQUE SPECIFICATIONS 

Park Brake Cable-To-Rear Axle Clip Bolt

18 (25)

Park Brake Cable-To-Shock Absorber Bracket Bolt

18 (25)

Park Brake Lever Mounting Bolts

18 (25)

Rear Jounce Hoses-To-Junction Block

18 (25)

Wheel Lug Nut

140 (190)

Inch Lbs. (N.m)

Brake Hose Bracket-To-Steering Knuckle Bolt

124 (14)

Brake Hose Bracket-To-Upper Control Arm Bracket Bolt

80 (9)

Brake Hose Lower Bracket Bolt-To-Axle (Rear Jounce)

106 (12)

Caliper Bleed Screw

106 (12)

Intermediate Cable Threaded Rod Nut

31 (3.5)

Park Brake Cable Guide-To-Frame Bolt

106 (12)

Park Brake Warning Light Switch Bolt

25 (3)

Application

Specification

Generator Model

Delphi AD244

Rated Output

145 Amps

Load Test Output

102 Amps

Application

Ft. Lbs. (N.m)

Battery Cable Bracket Bolt

18 (25)

Battery Hold Down Retainer Bolt

18 (25)

Battery Tray Nut

18 (25)

Engine Wiring Harness Auxiliary Negative Battery Cable Bolt

12 (16)

Engine Wiring Harness Ground Bolt

12 (16)

Engine Wiring Harness Ground/Negative Cable Bolt

18 (25)

Front Axle Mounting Bracket Nut

70 (95)

Generator Bracket Bolt

37 (50)

Generator Bolt

37 (50)

Negative Battery Cable Bolt

13 (17)

Positive Battery Cable Bolt

13 (17)

Starter Bolt

37 (50)

 

2004 Hummer H2 

2004 SPECIFICATIONS H2

  

DRIVE BELTS 

ADJUSTMENT 

Specifications & Procedures 

Accessory belt adjustment is not required. Automatic tensioner is used. 

DRIVE BELT ROUTING 

Routing Illustrations 

INCH Lbs. (N.m)

Battery Cable Channel Bolt

106 (12)

Battery Tray Bolt

80 (9)

Forward Lamp Wiring Harness Ground/Negative Cable Bolt

80 (9)

Front End Diagonal Brace Bolt

80 (9)

Generator Cable Nut

80 (9)

Ground Strap Nut

80 (9)

Positive Cable Nut

80 (9)

Positive Cable at Underhood Bussed Electrical Center (UBEC) Bolt

80 (9)

Starter Lead Nut

30 (3.4)

Surge Tank Bolt/Nut

80 (9)

Transmission Cover Bolt

80 (9)

 

2004 Hummer H2 

2004 SPECIFICATIONS H2