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2008 Hummer H2 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Hummer REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- Brake Service
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
BRAKE SERVICE PROCEDURES FOR 2008 Hummer H2 AUTOMOBILES
Power Brake Units -> Delco Brake Booster -> Power Brake Unit, Replace -> Acadia, Enclave & Outlook -> Avalanche, Escalade EXT, Sierra & Silverado -> Canyon & Colorado -> Envoy, Rainier & Trailblazer -> Equinox & Torrent -> Escalade, Suburban, Tahoe & Yukon -> Express & Savana -> HHR -> Hummer H2 -> Hummer H3 -> Relay, SV6, Terraza & Uplander -> Rendezvous -> SRX -> VUE
Vehicle: 2008 Hummer H2 6.2 V8 GAS
Acadia, Enclave & Outlook
- Apply park brake, then with engine off, apply and release brake pedal several times until brake pedal becomes firm to deplete vacuum reserve in vacuum brake booster.
- Remove air cleaner assembly.
- Disconnect master cylinder fluid level sensor electrical connector.
- Remove vacuum brake booster check valve and hose assembly from vacuum brake booster and position aside.
- Remove vacuum brake booster vacuum sensor and position aside.
- Release front and rear brake pipes from routing clip on frame rail.
- Remove Brake Pressure Modulator Valve (BPMV) assembly mount...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2008 Hummer H2 AUTOMOBILES
DRIVESHAFT, Replace -> Front -> Install -> Rear -> Remove
Vehicle: 2008 Hummer H2 6.2 V8 GAS
Front
Remove
Before disassembly, observe and accurately reference mark all driveline components relative to the propeller shaft and axles. These items include the following components:
- Propeller shafts
- Wheel drive shafts
- Pinion flanges
- Output shafts
Assemble all components in the exact relationship to each other as they were prior to removal. Observe all published specifications and torque values, and any measurements obtained prior to disassembly.
- Raise and support vehicle.
- Remove transfer case shield, if equipped.
- If equipped with double clamp style boot, remove clamp at transfer ca...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 Hummer H2 AUTOMOBILES
Wiring Diagrams -> Wire Color Code Identification
Vehicle: 2008 Hummer H2 6.2 V8 GAS
Refer to Figs. and for wir...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2008 Hummer H2 AUTOMOBILES
Alternator, Replace
Vehicle: 2008 Hummer H2 6.2 V8 GAS
- Disconnect battery ground cable.
- Remove drive belt using a suitable tool.
- Remove engine sight shield.
- Disconnect alternator electrical connector.
- Reposition alternator output BAT terminal protective boot.
- Remove alternator output BAT terminal nut and lead fro...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2008 Hummer H2 AUTOMOBILES
General Motors Corp./Saturn Trucks -> Air Cleaner Restriction Indicator ->
Vehicle: 2008 Hummer H2 6.2 V8 GAS
An air cleaner restriction indicator, Fig. , is located in the intake duct between the MAF sensor and the air cleaner assembly.
If the window shows green, no service is required at this time. However, if...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2008 Hummer H2 AUTOMOBILES
Radiator, Replace
Vehicle: 2008 Hummer H2 6.2 V8 GAS
- Drain radiator coolant into suitable container.
- Remove engine vent hose and surge take hose.
- Remove upper and lower radiator hoses.
- Remove cooling fan and shroud.
- Disconnect engine oil coo...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 Hummer H2 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 Hummer H2 6.2 V8 GAS
- Loosen air cleaner outlet duct clamps at following locations:
- Throttle body
- Mass airflow/intake air temperature (MAF/IAT) sensor.
- Remove air cleaner outlet duct.
- Install a breaker bar with hex-head socket to drive belt tensioner bolt.
- Rotate drive belt tensioner clockwise in o...
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COMPONENT LOCATION DIAGRAMS FOR 2008 Hummer H2 AUTOMOBILES
Component location diagrams for most 2008 Hummer H2 cars and light trucks sold in the U.S. from 1990+.
Rear Compartment Components Diagram for 2008 Hummer H2 6.2 V8 GAS Components on diagram: |
Automatic Transmission Shift Lever Diagram for 2008 Hummer H2 6.2 V8 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2008 Hummer H2 AUTOMOBILES
OEM drawn wiring diagrams for most 2008 Hummer H2 cars and light trucks sold in the U.S.
2008 Hummer H2 6.2 V8 GAS Wiring Diagram Components on diagram: |
2008 Hummer H2 6.2 V8 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 Hummer H2 AUTOMOBILES
OEM TSB listings for most 2008 Hummer H2 cars and light trucks sold in the U.S. from 1985+.
Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2008 Hummer H2 6.2 V8 GAS Auto Systems: |
Document: GM of Canada New Vehicle Limited Warranty Tire Program Vehicle: 2008 Hummer H2 6.2 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 Hummer H2 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 Hummer H2 cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 2008 Hummer H2 cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 2008 Hummer H2 cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 2008 Hummer H2 cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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