automatic transmission HUMMER H3 2010 Service Manual

Service and Maintenance 11-7
ServiceMaintenanceIMaintenance
II
Chassis components lubrication. •
Engine cooling system inspection. •
Windshield wiper blades inspection. •
Body components lubrication. •
Restraint system components check. •
Automatic transmission fluid level check. •
Four‐wheel drive only: Transfer case fluid level check. •
Engine air cleaner filter inspection (vehicles not driven in dusty conditions). •

11-8 Service and Maintenance
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
UsageFluid/Lubricant
Engine Oil Engine oil which meets GM Standard GM6094M and displays the
American Petroleum Institute Certified for Gasoline Engines starburst
symbol. To determine the proper viscosity for your vehicle's engine,
see
Engine Oil on page 10‑9.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL
®Coolant.
See Engine Coolant on page 10‑19
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. U.S. 12377967,
in Canada 89021320).
Windshield Washer Optikleen
®Washer Solvent.
Hydraulic Power Steering System GM Power Steering Fluid (GM Part No. U.S. 89021184,
in Canada 89021186).
Automatic Transmission DEXRON
®‐VI Automatic Transmission Fluid.
Manual Transmission Manual Transmission Fluid (GM Part No. U.S. 89021806,
in Canada 89021807).
Hydraulic Clutch System Hydraulic Clutch Fluid (GM Part No. U.S. 12345347, in Canada 10953517)
or equivalent DOT-3 brake fluid.

Service and Maintenance 11-9
UsageFluid/Lubricant
Key Lock Cylinders Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241,
in Canada 10953474).
Chassis Lubrication Chassis Lubricant (GM Part No. U.S. 12377985, in Canada 88901242) or
lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Front and Rear Axle SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 89021677,
in Canada 89021678).
Transfer Case DEXRON
®‐VI Automatic Transmission Fluid.
Hood Hinges Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241,
in Canada 10953474).
Outer Endgate Handle Pivot Points Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241,
in Canada 10953474).
Weatherstrip Conditioning Weatherstrip Lubricant (GM Part No. U.S. 3634770, in Canada 10953518)
or Dielectric Silicone Grease (GM Part No. U.S. 12345579,
in Canada 992887).
Weatherstrip Squeaks Synthetic Grease with Teflon, Superlube (GM Part No. U.S. 12371287,
in Canada 10953437).

Technical Data 12-3
Capacities and Specifications (cont'd)
ApplicationCapacities
Metric English
Transfer Case 1.5 L 1.6 qt
Transmission 3.7L L5 and 5.3L V8, Automatic Transmission
(Pan Removal and Filter Replacement) 4.7 L 5.0 qt
3.7L L5, Manual Transmission (Drain and Refill) 2.4 L 2.5 qt
Wheel Nut Torque 140 Y100 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual.
Engine Specifications
Engine VIN CodeTransmission Spark Plug Gap
3.7L L5 EAutomatic
Manual 1.01 mm (0.040 in)
5.3L V8 PAutomatic 1.01 mm (0.040 in)

INDEX i-1
A
Accessories andModifications . . . . . . . . . . . . . . . . . 10-3
Accessory Power . . . . . . . . . . . . . . 9-35
Add-On Electrical Equipment . . . . . . . . . . . . . . . . . . . 9-81
Adding Equipment to the
Airbag-Equipped Vehicle . . . . . 3-40
Adjustments Lumbar, Front Seats . . . . . . . . . . . 3-4
Air Cleaner/Filter, Engine . . . . . 10-17
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 8-4
Airbag System
Check . . . . . . . . . . . . . . . . . . . . . . . . 3-41
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . 3-32
Passenger Sensing System . . . . . . . . . . . . . . . . . . . . . . 3-35
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . 3-32 Airbag System (cont.)
What Will You See After
an Airbag Inflates? . . . . . . . . . . 3-33
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . 3-31
Where Are the Airbags? . . . . . . 3-29
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . 3-40
Passenger Status Indicator . . . 5-11
Readiness Light . . . . . . . . . . . . . . 5-10
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . 3-40
System Check . . . . . . . . . . . . . . . . 3-27
Alarm System Anti-Theft . . . . . . . . . . . . . . . . . . . . . . 2-9
AM-FM Radio . . . . . . . . . . . . . . . . . . . 7-5
Antenna Satellite Radio . . . . . . . . . . . . . . . . 7-10
Anti-Theft Alarm System . . . . . . . . . . . . . . . . . 2-9 Antilock Brake
System (ABS) . . . . . . . . . . . . . . . . 9-50
Warning Light . . . . . . . . . . . . . . . . . 5-15
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . 10-92
Interior . . . . . . . . . . . . . . . . . . . . . . 10-96
Ashtrays . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Audio Players . . . . . . . . . . . . . . . . . 7-10
CD . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10
Audio System Fixed Mast Antenna . . . . . . . . . . 7-10
Radio Reception . . . . . . . . . . . . . . . 7-9
Theft-Deterrent Feature . . . . . . . . 7-2
Automatic Door Locks . . . . . . . . . . . . . . . . . . . . 2-6
Headlamp System . . . . . . . . . . . . . 6-4
Automatic Transmission . . . . . . . 9-41 Fluid . . . . . . . . . . . . . . . . . . . . . . . . 10-12
Shiftlock Control SystemCheck . . . . . . . . . . . . . . . . . . . . . 10-30
Axle
Locking Front . . . . . . . . . . . . . . . . . 9-55
Axle, Front . . . . . . . . . . . . . . . . . . . . 10-29
Axle, Rear . . . . . . . . . . . . . . . . . . . . 10-29

i-4 INDEX
E
E85 Fuel . . . . . . . . . . . . . . . . . . . . . . . 9-66
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . 9-81
Electrical System Engine CompartmentFuse Block . . . . . . . . . . . . . . . . 10-39
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . 10-39
Overload . . . . . . . . . . . . . . . . . . . 10-38
Engine
Air Cleaner/Filter . . . . . . . . . . . 10-17
Check and Service EngineSoon Lamp . . . . . . . . . . . . . . . . . . 5-12
Compartment Overview . . . . . . . 10-6
Coolant . . . . . . . . . . . . . . . . . . . . . 10-19
Coolant Heater . . . . . . . . . . . . . . . 9-36
Coolant Temperature Gauge . . . 5-9
Cooling System . . . . . . . . . . . . . 10-18
Cooling System Messages . . . 5-23
Drive Belt Routing . . . . . . . . . . . . 12-4
Exhaust . . . . . . . . . . . . . . . . . . . . . . 9-40
Fan . . . . . . . . . . . . . . . . . . . . . . . . . 10-24 Engine (cont.)
Overheating . . . . . . . . . . . . . . . . 10-22
Power Messages . . . . . . . . . . . . . 5-23
Pressure Light . . . . . . . . . . . . . . . . 5-17
Running While Parked . . . . . . . . 9-41
Starting . . . . . . . . . . . . . . . . . . . . . . . 9-35
Engine Oil Life System . . . . . . . . . . . . . . . . . .10-11
Messages . . . . . . . . . . . . . . . . . . . . 5-23
Equipment, Towing . . . . . . . . . . . . 9-78
Event Data Recorders . . . . . . . . 13-15
Exit Lighting . . . . . . . . . . . . . . . . . . . . 6-8
Extender, Safety Belt . . . . . . . . . . 3-26
Exterior Lamp Controls . . . . . . . . . 6-1
Exterior Lamps Off Reminder . . . 6-3
F
Fan Engine . . . . . . . . . . . . . . . . . . . . . . 10-24
Filter
Engine Air Cleaner . . . . . . . . . 10-17
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 6-3
Flashers, Hazard Warning . . . . . . 6-5
Flat Tire . . . . . . . . . . . . . . . . . . . . . . 10-64
Flat Tire, Changing . . . .10-66, 10-75 Fluid
Automatic Transmission . . . . 10-12
Brakes . . . . . . . . . . . . . . . . . . . . . . 10-27
Four-Wheel Drive
Transfer Case . . . . . . . . . . . . . . . 9-46
Power Steering . . . . . . . . . . . . . 10-24
Washer . . . . . . . . . . . . . . . . . . . . . 10-25
Fog Lamps Bulb Replacement . . . . . . . . . . . . . 6-6
Folding Mirrors . . . . . . . . . . . . . . . . 2-13
Four-Wheel Drive . . . . . . . 10-29, 9-46
Front Axle . . . . . . . . . . . . . . . . . . . . 10-29 Locking . . . . . . . . . . . . . . . . . . . . . . . 9-55
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . 3-3
Heated . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Front Storage . . . . . . . . . . . . . . . . . . . 4-1
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-64 Additives . . . . . . . . . . . . . . . . . . . . . 9-65
E85 (85% Ethanol) . . . . . . . . . . . 9-66
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 9-69
Filling the Tank . . . . . . . . . . . . . . . 9-68

i-6 INDEX
I
Ignition Positions . . . . . . . . . . . . . . 9-34
Ignition Transmission LockCheck . . . . . . . . . . . . . . . . . . . . . . . 10-31
Immobilizer . . . . . . . . . . . . . . . . . . . . 2-10
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . 3-44
Instrument Cluster . . . . . . . . . . . . . . 5-7
Introduction . . . . . . . . . . . . . . . . . . .iii, 7-1
J
Jump Starting . . . . . . . . . . . . . . . . . 10-86
K
Keyless Entry Remote (RKE) System . . . . . . . . 2-3
Keyless Entry System . . . . . . . . . . 2-2
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
L
Labeling, Tire Sidewall . . . . . . . . 10-44
Lamp Messages . . . . . . . . . . . . . . . 5-24
Lamps Daytime Running (DRL) . . . . . . . 6-3
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Exterior Controls . . . . . . . . . . . . . . . 6-1
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . . 6-3
License Plate . . . . . . . . . . . . . . . 10-37
Malfunction Indicator . . . . . . . . . 5-12
Off-Road . . . . . . . . . . . . . . . . . . . . . . 6-6
Reading . . . . . . . . . . . . . . . . . . . . . . . 6-8
Lap-Shoulder Belt . . . . . . . . . . . . . 3-20
LATCH System Replacing Parts After a
Crash . . . . . . . . . . . . . . . . . . . . . . . 3-59
Latch, Lower Anchors and Tethers for Children . . . . . . . . . . 3-51
Lighter, Cigarette . . . . . . . . . . . . . . . 5-5
Lighting
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Illumination Control . . . . . . . . . . . . 6-7 Lights
Airbag Readiness . . . . . . . . . . . . . 5-10
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 5-15
Charging System . . . . . . . . . . . . . 5-11
Cruise Control . . . . . . . . . . . . . . . . 5-18
Engine Oil Pressure . . . . . . . . . . 5-17
Flash-to-Pass . . . . . . . . . . . . . . . . . . 6-3
High-Beam On . . . . . . . . . . . . . . . . 5-17
High/Low Beam Changer . . . . . . 6-3
Safety Belt Reminders . . . . . . . . . 5-9
Security . . . . . . . . . . . . . . . . . . . . . . 5-17
Tire Pressure . . . . . . . . . . . . . . . . . 5-16
Traction Control System (TCS)/StabiliTrak
®. . . . . . . . . . 5-16
Up-Shift . . . . . . . . . . . . . . . . . . . . . . 5-15
Locking Front Axle . . . . . . . . . . . . . 9-55
Locking Rear Axle . . . . . . . . . . . . . 9-54
Locks Automatic Door . . . . . . . . . . . . . . . . 2-6
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Lockout Protection . . . . . . . . . . . . . 2-6
Power Door . . . . . . . . . . . . . . . . . . . . 2-5
Safety . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Loss of Control . . . . . . . . . . . . . . . . . 9-6

INDEX i-7
Lower Anchors and Tethersfor Children (LATCH
SYSTEM) . . . . . . . . . . . . . . . . . . . . 3-51
Lumbar Adjustment . . . . . . . . . . . . . 3-4 Front Seats . . . . . . . . . . . . . . . . . . . . 3-4
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . 11-11
Maintenance Schedule Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 11-8
Scheduled Maintenance . . . . . . 11-2
Transfer Case Vent Filter . . . . . 9-46
Malfunction Indicator Lamp . . . . 5-12
Manual Transmission . . . . . . . . . . 9-44 Fluid . . . . . . . . . . . . . . . . . . . . . . . . 10-15
Messages
Battery Voltage andCharging . . . . . . . . . . . . . . . . . . . . 5-21
Brake System . . . . . . . . . . . . . . . . 5-22
Door Ajar . . . . . . . . . . . . . . . . . . . . . 5-22
Engine Cooling System . . . . . . . 5-23
Engine Oil . . . . . . . . . . . . . . . . . . . . 5-23
Engine Power . . . . . . . . . . . . . . . . 5-23
Fuel System . . . . . . . . . . . . . . . . . . 5-24 Messages (cont.)
Lamp . . . . . . . . . . . . . . . . . . . . . . . . . 5-24
Ride Control System . . . . . . . . . . 5-24
Service Vehicle . . . . . . . . . . . . . . . 5-25
Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-25
Transmission . . . . . . . . . . . . . . . . . 5-25
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 5-21
Mirrors Automatic Dimming
Rearview . . . . . . . . . . . . . . . . . . . . 2-14
Convex . . . . . . . . . . . . . . . . . . . . . . . 2-13
Folding . . . . . . . . . . . . . . . . . . . . . . . 2-13
Power . . . . . . . . . . . . . . . . . . . . . . . . 2-13
Monitor System, Tire
Pressure . . . . . . . . . . . . . . . . . . . . 10-52
N
Navigation SystemVehicle Data Recordingand Privacy . . . . . . . . . . . . . . . 13-16
Net, Convenience . . . . . . . . . . . . . . 4-3
New Vehicle Break-In . . . . . . . . . . 9-33
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . 5-8 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Off-Road . . . . . . . . . . . . . . . . . . . . . . . 9-7 Driving . . . . . . . . . . . . . . . . . . . . . . . . . 9-7
Lamps . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Recovery . . . . . . . . . . . . . . . . . . . . . . 9-5
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . 10-9
Engine Oil Life System . . . . . .10-11
Messages . . . . . . . . . . . . . . . . . . . . 5-23
Pressure Light . . . . . . . . . . . . . . . . 5-17
Older Children, Restraints . . . . . 3-42
Online Owner Center . . . . . . . . . . 13-4
OnStar
®System . . . . . . . . . . . . . . . 1-19
Operation, Infotainment
System . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Overheating, Engine . . . . . . . . . . 10-22

i-10 INDEX
Servicing theAirbag-Equipped Vehicle . . . . . 3-40
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . 9-37
Out of Park . . . . . . . . . . . . . . . . . . . 9-38
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . . 6-5
Specifications and Capacities . . . . . . . . . . . . . . . . . . . . 12-2
Speedometer . . . . . . . . . . . . . . . . . . . 5-8
StabiliTrak System . . . . . . . . . . . . . 9-53
Start Assist, Hills . . . . . . . . . . . . . . 9-52
Starter Switch Check . . . . . . . . . 10-30
Starting the Engine . . . . . . . . . . . . 9-35
Steering . . . . . . . . . . . . . . . . . . . . . . . . 9-4 Fluid, Power . . . . . . . . . . . . . . . . 10-24
Wheel Adjustment . . . . . . . . . . . . . 5-2
Stoplamps and Back-Up Lamps Bulb Replacement . . . 10-35, 10-36
Storage Areas Cargo Cover . . . . . . . . . . . . . . . . . . . 4-2
Cargo Management System . . . 4-2
Center Console . . . . . . . . . . . . . . . . 4-1
Convenience Net . . . . . . . . . . . . . . 4-3
Front . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Storage Areas (cont.)
Glove Box . . . . . . . . . . . . . . . . . . . . . 4-1
Rear Compartment/Storage
Panel Cover . . . . . . . . . . . . . . . . . . 4-2
Roof Rack System . . . . . . . . . . . . . 4-4
Stuck Vehicle . . . . . . . . . . . . . . . . . . 9-26
Sun Visors . . . . . . . . . . . . . . . . . . . . . 2-17
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . iv
System Roof Rack . . . . . . . . . . . . . . . . . . . . . 4-4
System Check Automatic TransmissionShiftlock Control . . . . . . . . . . 10-30
T
Tachometer . . . . . . . . . . . . . . . . . . . . . 5-8
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
TaillampsBulb Replacement . . . 10-35, 10-36
Text Telephone (TTY) Users . . . 13-4
Theft-Deterrent Systems . . . . . . . . . . . . . . . 2-10, 2-11
Immobilizer . . . . . . . . . . . . . . . . . . . 2-10
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 Tires
Buying New Tires . . . . . . . . . . . 10-59
Chains . . . . . . . . . . . . . . . . . . . . . . 10-64
Changing . . . . . . . . . . . . 10-66, 10-75
Designations . . . . . . . . . . . . . . . 10-46
Different Size . . . . . . . . . . . . . . . 10-60
Full-Size Spare . . . . . . . . . . . . . 10-85
If a Tire Goes Flat . . . . . . . . . . 10-64
Inflation Monitor System . . . . 10-53
Inspection . . . . . . . . . . . . . . . . . . 10-57
Messages . . . . . . . . . . . . . . . . . . . . 5-25
Pressure Light . . . . . . . . . . . . . . . . 5-16
Pressure Monitor System . . . 10-52
Rotation . . . . . . . . . . . . . . . . . . . . 10-57
Secondary Latch System . . . 10-84
Sidewall Labeling . . . . . . . . . . . 10-44
Terminology and
Definitions . . . . . . . . . . . . . . . . . 10-48
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . 10-61
Wheel Alignment and Tire
Balance . . . . . . . . . . . . . . . . . . . 10-62
Wheel Replacement . . . . . . . . 10-63
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . 10-58

INDEX i-11
TowingDriving Characteristics . . . . . . . . 9-70
Equipment . . . . . . . . . . . . . . . . . . . . 9-78
General Information . . . . . . . . . . 9-70
Recreational Vehicle . . . . . . . . 10-90
Trailer . . . . . . . . . . . . . . . . . . . . . . . . 9-74
Trailer Recommendations . . . . 9-81
Vehicle . . . . . . . . . . . . . . . . . . . . . 10-90
Traction Control System (TCS) . . . . . . . . 9-52
Control System (TCS)/StabiliTrak
®Light . . . . . . . . . . . . 5-16
Trailer Towing Recommendations . . . . 9-81
Trailer Towing . . . . . . . . . . . . . . . . . 9-74
Transfer Case Vent Filter . . . . . . . . . . . . . . . . . . . . 9-46
Transmission Automatic . . . . . . . . . . . . . . . . . . . . . 9-41
Fluid, Automatic . . . . . . . . . . . . 10-12
Fluid, Manual . . . . . . . . . . . . . . . 10-15
Messages . . . . . . . . . . . . . . . . . . . . 5-25 Transportation Program,
Courtesy . . . . . . . . . . . . . . . . . . . . . 13-8
Trip Odometer . . . . . . . . . . . . . . . . . . 5-8
Truck-Camper Loading Information . . . . . . . . . . . . . . . . . . . 9-33
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Turn Signal Bulb Replacement . . . 10-35, 10-36U
Uniform Tire QualityGrading . . . . . . . . . . . . . . . . . . . . . 10-61
Universal Remote System . . . . . 5-26 Operation . . . . . . . . . . . . . . . . . . . . . 5-30
Programming . . . . . . . . . . . . . . . . . 5-26
Up-Shift Light . . . . . . . . . . . . . . . . . . 5-15
Using this Manual . . . . . . . . . . . . . . . . iii
V
Vehicle Canadian Owners . . . . . . . . . . . . . . . iii
Control . . . . . . . . . . . . . . . . . . . . . . . . 9-3
Load Limits . . . . . . . . . . . . . . . . . . . 9-27
Messages . . . . . . . . . . . . . . . . . . . . 5-21
Security . . . . . . . . . . . . . . . . . . . . . . . 2-9
Towing . . . . . . . . . . . . . . . . . . . . . . 10-90
Vehicle Care Tire Pressure . . . . . . . . . . . . . . . 10-51
Vehicle Identification
Number (VIN) . . . . . . . . . . . . . . . . . 12-1
Service Parts IdentificationLabel . . . . . . . . . . . . . . . . . . . . . . . . 12-1
Vent Filter Transfer Case . . . . . . . . . . . . . . . . 9-46
Ventilation, Air . . . . . . . . . . . . . . . . . . 8-4
Visors . . . . . . . . . . . . . . . . . . . . . . . . . 2-17