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Hummer CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Hummer REPAIR SHOPS DON'T WANT YOU TO KNOW
Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!Select Model
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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about Hummer car and truck
repair procedures including Hummer engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system
specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your Hummer
automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR Hummer AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported Hummer cars and light trucks from 1990+
Component Replacement & Adjustment -> Hummer H2 -> Accumulator, Replace
Vehicle: 2004 Hummer H2 6.0 V8 GAS
- Recover refrigerant as outlined in .
- Disconnect low pressure switch electrical connector.
- Remove nuts, then the compressor hose and evaporator fitting.
- Remove bracket nut and accumulator.
- Remove bolt and mounting...
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BRAKE SERVICE PROCEDURES FOR Hummer AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Hummer cars and light trucks from 1990+.
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Tightening Specifications
Vehicle: 2008 Hummer H3 X 3.7 L5 GAS
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FUEL FILTER REPLACEMENT PROCEDURES FOR Hummer AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Hummer cars and light trucks sold in the U.S. for 1980+.
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Component Locations -> 1999-06 Escalade, Avalanche & Denali, 1988-03 & C/K Pickup (Except 1999-03 Sierra & Silverado), 1992-06 Blazer, Jimmy, Hummer H2, SSR, Suburban, Yukon XL, Tahoe, Yukon, Bravada Gasoline Engines & 2004-06 Rainier, TrailBlazer & Envoy
Vehicle: 2005 Hummer H2 6.0 V8 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Hummer AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Hummer cars and light trucks from 1990+.
CV AXLE SHAFT, Replace
Vehicle: 2007 Hummer H3 X 3.7 L5 GAS
- Raise and support vehicle.
- Remove wheel and tire assembly.
- Remove wheel drive shaft nut and washer. Do not reuse wheel drive shaft nut, replace with new.
- Remove steering knuckle assembly.
- Release wheel drive shaft by placing a brass drift against tripod housing. Firmly strike brass drift with a hammer to release drive shaft.
- Remove front wheel drive shaft from vehicle.
- Reverse procedure to install, noting the following:
- A snap or po...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR Hummer AUTOMOBILES
Description, component locations, reset procedures, relearn procedures, diagnosis and testing, wiring diagrams, component replacement, and identification of vehicles equipped and not equipped with tire pressure monitoring system for most domestic and imported Hummer cars and light trucks sold in the U.S. from mid 1990's+.
Component Locations
Vehicle: 2008 Hummer H3 X 3.7 L5 GAS
Refer to F...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Hummer AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Hummer cars and light trucks from 1990+.
Alternator, Replace
Vehicle: 2009 Hummer H3 X 3.7 L5 GAS
- Disconnect battery ground cable from battery.
- Remove accessory drive belt.
- Raise and support vehicle only high enough to access A/C compressor through wheelhouse.
- Remove left front wheel.
- Remove left wheelhouse liner.
- Disengage A/C compressor electrical connector from bracket.
- Recover A/C system.
- Disconnect A/C condenser and evaporator lines from compressor.
- Remove A/C compressor mounting bolts ONLY. Upper mounting bolt will remain with A/C compress...
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MAINTENANCE LAMP RESET PROCEDURES FOR Hummer AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Hummer cars and light trucks sold in the U.S. from 1990+.
General Motors Corp./Saturn Trucks -> Water In Fuel Or Drain Fuel Filter Warning Lamp -> Diesel Engine
Vehicle: 2006 Hummer H1 Alpha 6.6 V8 DIESEL
The Water In Fuel indicator should light when excessive water has entered the fuel system. As the fuel filter becomes plugged, a low pressure sensor activates the lamp. The lamp should light during engine starting as a bulb inspection. Once the engine has started, the lamp should go off. If the lamp is lit intermittently, drain fuel filter. If lamp remains lit, drain fuel filter. If the lamp still remains on after fuel filter has been drained, replace fuel filter. If lamp is lit dur...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Hummer AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Hummer cars and light trucks from 1990+
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2008 Hummer H2 6.2 V8 GAS
Lower
- Drain cooling system into a suitable container.
- Remove air cleaner resonator outlet duct.
- Reposition hose clamp from engine.
- Remove radiator outlet hose from engine.
- Reposition hose clamp from radiator.
- Remove radiator outlet hose from radiator and from vehicle.
- Reverse procedure to install.
Upper
- Partially dr...
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SERPENTINE BELT SERVICE PROCEDURES FOR Hummer AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Hummer cars and light trucks sold in the U.S. from 1990+.
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 Hummer AUTOMOBILES
Component location diagrams for most Hummer cars and light trucks sold in the U.S. from 1990+.
 Body Components Diagram for 2007 Hummer H3 3.7 L5 GASComponents on diagram: |
 Body Components Diagram for 2008 Hummer H3 3.7 L5 GASComponents on diagram: |
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WIRING DIAGRAMS FOR Hummer AUTOMOBILES
OEM drawn wiring diagrams for most Hummer cars and light trucks sold in the U.S.
 2007 Hummer H3 3.7 L5 GAS Wiring DiagramComponents on diagram: |
 2007 Hummer H3 X 3.7 L5 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Hummer AUTOMOBILES
OEM TSB listings for most Hummer cars and light trucks sold in the U.S. from 1985+.
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Document: OUT-OF-WARRANTY PARTS FOR ENGINEERING ANALYSIS Vehicle: 2006 Hummer H2 6.0 V8 GAS Auto Systems: |
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Document: A/C Moan and/or Whine Noise Under Heavy Load Condition Vehicle: 2009 Hummer H3T 3.7 L5 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR Hummer AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Hummer 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 Hummer 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 Hummer 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 Hummer 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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