Hummer H1 (2002+). Manual - part 3

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General Information, Lubrication and Maintenance 1-9

05745159

Service Brake Caliper (Front):

Service/Parking Brake Caliper (Rear):

Service/Parking Brake Rotor:

Manufacturer ................................................................................................................................................................... Kelsey-Hayes
Diameter ................................................................................................................................................................ 10.5 in. (266.7 mm)
Thickness.................................................................................................................................................................... 0.87 in. (22 mm)
Minimum Thickness................................................................................................................................................. 0.81 in. (20.7 mm)

Steering System:

Steering Gear:

Manufacturer ..................................................................................................................................................................... Saginaw
Type .........................................................................................................................................Recirculating Ball, Worm and Nut
Ratio ................................................................................................................................................................................... 13/16:1

Power Steering Pump:

Flow Rate (Max)........................................................................................................................................... 2.6 gpm (9.8 Lpm)
Capacity (@ 1500 RPM) .............................................................................................................................. 2.6 gpm (9.8 Lpm)

Reservoir ............................................................................................................................................................................ Remote

Frame:
Manufacturer ............................................................................................................. AM General Corporation design, made by Dana
Type........................................................................................................................................................................................ Steel Box
No. of Crossmembers ........................................................................................................................................................................... 5

Air Conditioner:

Manufacturer (Compressor) ............................................................................................................................................. GM-Harrison
Model ............................................................................................................................................................................................HD-6
Field (Coil) ..................................................................................................................................................................................... 12 V
Oil Capacity.................................................................................................................................................................. 8 fl oz (237 ml)
Refrigerant.................................................................................................................................................................................. R-134a
Capacity (system + 2 oz. of oil) .................................................................................................................................. 3.2 lb. (1.45 kg)

Winch:

Manufacturer ................................................................................................................................................................................. Warn
Model ................................................................................................................................................... 12,000 lb., 12VDC HUMMER
Type.......................................................................................................................................... Electric Drive, Thermal Cutoff Switch
Capacity................................................................................................................................................................. 12,000 lb (5,448 kg)

Wheels and Tires:

Manufacturer ..........................................................................................................................Goodyear Tire Size 37 in. X 12.5R-16.5
Wheel Type:

Standard ......................................................................................................................................................................... One-Piece
Size...........................................................................................................................................................................16.5 x 8.25 in.

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General Information, Lubrication and Maintenance

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FLUID CAPACITIES

Cooling System .................................................................................................................................................................. 26 qt (25 L)
Engine:

Crankcase (oil pan) only .............................................................................................................................................. 7 qt (6.6 L)
Crankcase and Filter..................................................................................................................................................... 8 qt (7.6 L)
Fuel Tank...................................................................................................................................................................25 gal. (95 L)
Auxiliary Fuel Tank ...............................................................................................................................................17 gal. (64.3 L)
Axle (front/rear) ........................................................................................................................................................... 2 qt (1.9 L)

Transmission:

Drain and Refill (with Pan Removed) ....................................................................................................................... 7.7 qt (7.3 L)
W/Dry Converter ................................................................................................................................................... 13.5 qt (12.8 L)

Transfer Case.................................................................................................................................................................... 3.5 qt (3.3 L)
Geared Hub........................................................................................................................................................................ 1 pt (0.47 L)
Steering System ................................................................................................................................................................ 1 qt (0.95 L)
Brake Hydraulic System (DOT 3)

Master Cylinder ................................................................................................................................................. 1.64 pt (0.78 L)
Total System ....................................................................................................................................................... 3.12 pt. (1.5 L)

Windshield Washer Reservoir ........................................................................................................................................2.5 gal. (9.5 L)

VEHICLE WEIGHTS

Curb Weight (10,300/10,800 GVWR):

Two-Door Enlarged Cab (Hard Top) (XLC2) ................................................................................................. 6,460 lb (2,930 kg)

Four Door Open Top (w/ full doors) (HMCO) ................................................................................................ 6,710 lb (3,044 kg)

Four Door Hard Top (HMC4) .......................................................................................................................... 6,860 lb (3,112 kg)

Four-Door Station Wagon (HMCS) ................................................................................................................. 7,050 lb (3,198 kg)

Payload (10,300 GVWR):

Two-Door Enlarged Cab (Hard Top) (XLC2) ................................................................................................. 3,840 lb (1,742 kg)

Four-Door Open Top (w/ full doors) (HMCO) ................................................................................................ 3,590 lb (1,628 kg)

Four Door Hard Top (HMC4) .......................................................................................................................... 3,440 lb (1,560 kg)

Four-Door Station Wagon (HMCS) ................................................................................................................. 3,250 lb (1,474 kg)

Payload (10,800 GVWR):

Two-Door Enlarged Cab (Hard Top) (XLC2) ................................................................................................. 4,340 lb (1,968 kg)

Four-Door Open Top (w/ full doors) (HMCO) ................................................................................................ 4,090 lb (1,855 kg)

Four Door Hard Top (HMC4) .......................................................................................................................... 3,940 lb (1,768 kg)

Four-Door Station Wagon (HMCS) ................................................................................................................. 3,750 lb (1,700 kg)

Gross Vehicle Weight (GVW) ............................................................................................ 10,300 lb (4,676 kg)/10,800 lb (4,899 kg)

Gross Axle Weight Rating (GAWR):

Front.............................................................................................................................................................. 4,100 lb (1,860 kg)

Rear............................................................................................................................................................... 6,800 lb (3,084 kg)

Gross Combination Weight (GCW) ...................................................................................................................... 14,800 lb (6,719 kg)

Maximum Towed Load:

Two-Door Enlarged Cab (Hard Top) (XLC2) ................................................................................................. 8,340 lb (3,783 kg)

Four-Door Open Top (w/ full doors) (HMCO) ................................................................................................ 8,090 lb (3,670 kg)

Four-Door Hard Top (HMC4).......................................................................................................................... 7,940 lb (3,602 kg)

Four-Door Station Wagon (HMCS) ................................................................................................................. 7,750 lb (3,515 kg)

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General Information, Lubrication and Maintenance 1-11

05745159

Turbo Diesel Engine -- (12,100 lb. (5,489 kg) GVWR Vehicles -- Fleet Vehicles Only

Curb Weight (12,100 GVWR):

Two-Door Enlarged Cab (Hard Top) (XLC2) ................................................................................................. 6,720 lb (3,048 kg)

Four Door Hard Top (HMC4).......................................................................................................................... 7,120 lb (3,230 kg)

Four-Door Station Wagon (HMCS)................................................................................................................. 7,310 lb (3,316 kg)

Payload (12,100 GVWR):

Two-Door Enlarged Cab (Hard Top) (XLC2) ................................................................................................. 5,380 lb (2,440 kg)

Four Door Hard Top (HMC4).......................................................................................................................... 4,980 lb (2,258 kg)

Four-Door Station Wagon (HMCS)................................................................................................................. 4,790 lb (2,172 kg)

Gross Vehicle Weight (GVW) .............................................................................................................................. 12,100 lb (5,488 kg)

Gross Axle Weight Rating (GAWR):

Front ............................................................................................................................................................. 4,400 lb (1,995 kg)

Rear .............................................................................................................................................................. 7,700 lb (3,492 kg)

Gross Combination Weight (GCW) ...................................................................................................................... 16,500 lb (6,719 kg)

Maximum Towed Load:

Two-Door Enlarged Cab (Hard Top) (XLC2) ................................................................................................. 9,780 lb (4,436 kg)
Four-Door Hard Top (HMC4) ......................................................................................................................... 9,380 lb (4,254 kg)
Four-Door Station Wagon (HMCS)................................................................................................................. 9,190 lb (4,168 kg)

VEHICLE DIMENSIONS

Length (see Note)184.5 in. (4,68.6 mm):

Height ................................................................................................................................................................ 75 in. (190.5 mm)
Width (without mirrors) ................................................................................................................................ 86.50 in. (219.7 mm)
Ground Clearance ................................................................................................................................... 16 in. (41 cm) (at GVW)
Wheelbase ............................................................................................................................................................. 130 in (330 cm)
Track Width ............................................................................................................................................................. 72 in. (183 m)

NOTE:

The vehicle weight and dimensions data applies to models without a winch.

1-12

General Information, Lubrication and Maintenance

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ABBREVIATIONS

ABS  . . . . . . . . . . . . . . . . . . . . . . . . . . . Antilock Brake System
A/C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air Conditioning
a.c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Alternating Current
AMPÊ  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ampere
COÊ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Carbon Monoxide
CÊ  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Celsius (centigrade)
cmÊ  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Centimeter
CTIS . . . . . . . . . . . . . . . . . . . . . . Central Tire Inflation System
CDRÊ . . . . . . . . . . . . . . . . . . .  Crankcase Depression Regulator
cm

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cubic Centimeter

in.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cubic Inch

cyl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Cylinder
¡. . . . . . . . . . . . . . . . . . . . . . . . .  Degree (angle or temperature)
DTC  . . . . . . . . . . . . . . . . . . . . . . . . .  Diagnostic Trouble Code
dia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diameter
d.c.  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Direct Current
EPA. . . . . . . . . . . . . . . . . . .  Environmental Protection Agency
F  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fahrenheit
ft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Feet
ft/minÊ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Feet Per Minute
fl ozÊ  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Fluid Ounce
gal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gallon
g  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gram
GAWR  . . . . . . . . . . . . . . . . . . . . . .  Gross Axle Weight Rating
GVW. . . . . . . . . . . . . . . . . . . . . . . . . . . . Gross Vehicle Weight
GVWR  . . . . . . . . . . . . . . . . . . . . Gross Vehicle Weight Rating
hp  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Horsepower
HVAC. . . . . . . . . . . . . Heat, Ventilation, and Air Conditioning
in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inch
INC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Include
ID  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Identification
I.D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Internal Diameter
kg  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Kilograms
kmÊ  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Kilometer
km/hÊ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Kilometers Per Hour
kPa  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Kilopascals

lhÊ  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Left Hand
LÊ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Liter
max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Maximum
m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Meter
mpgÊ  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Miles Per Gallon
mphÊ  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Miles Per Hour
mm  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Millimeter
min  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Minimum
ÐÊ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Minus
ÐÊ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Negative
No . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Number
Ohm  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ohms
oz  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Ounce
O.D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Outside Diameter
P/N  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Part Number
%. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Percentage
ptÊ  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Pint
+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Plus
+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Positive
lbÊ  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Pound
lb-ft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pound-feet
lb-in. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Pound-inch
psiÊ  . . . . . . . . . . . . . . . . . . . . . . . . . . .  Pounds Per Square Inch
qt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Quart
:Ê  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Ratio
ref.Ê . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Reference
RPMÊ. . . . . . . . . . . . . . . . . . . . . . . . . .  Revolutions Per Minute
rhÊ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Right-Hand
cm

Ê. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Square Centimeters

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Square Inches

TT4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Torque Trac 4
VINÊ  . . . . . . . . . . . . . . . . . . . . . Vehicle Identification Number
VÊ  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Volts
WÊ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Watts
UNCÊ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Unified Coarse
UNFÊ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Unified Fine

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