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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 -> Water Pump, Replace
Vehicle: 2004 Hummer H2 6.0 V8 GAS
- Drain cooling system into suitable container.
- Loosen air cleaner outlet duct clamps at throttle body and Mass Air Flow/Intake Air Temperature (MAF/IAT) sensor.
- Remove radiator inlet hose clip from outlet duct.
- Remove air cleaner outlet duct.
- Remove radiator vent inlet hose from radiator hose clips.
- Disconnect clamp and remove inlet hose inlet hose from water pump.
- Remove radiator inlet hose from an shroud retainer.
- Remove fan shroud bolt.
- Remove transmission oil cooler line from fan shroud retainer.
- Rotate slip ring from in fan sh...
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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+.
Power Brake Units -> Delco Brake Booster -> General Service
Vehicle: 2008 Hummer H3 Alpha 5.3 V8 GAS
Certain general service procedures apply, regardless of whether the brakes are vacuum or hydraulically assisted. Only top quality, clean brake fluid should be used. More seals and valves are used with power brake systems than with ordinary brakes, so an inferior brake fluid will do much more damage. For the same reason, ensure all dirt is kept out of the system. Additionally, on models with hydraulic assist brakes, care must be taken not to mix the fluids of the booster hydraulic system and brake hydraulic system as the fluids are not compatible.
If the power unit fails, the brak...
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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: 2004 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+.
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 2009 Hummer H3T Alpha 5.3 V8 GAS
Never clamp propeller shaft tubing in a vise. Clamping could dent or deform the tube causing an imbalance or unsafe condition. Always clamp on one of the yokes and support the shaft horizontally. Avoid damaging the slip yoke sealing surface. Nicks may damage the bushing or cut the lip seal.
Disassemble
- Support propeller shaft in a line horizontal with table of a press.
- Mark propeller shaft in order to show which end connects to transmission and which end goes to rear axle.
- On models equipped with external snap ring retainers, proceed as follows:
- Disassemble snap rings by ...
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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+.
Reset Procedures
Vehicle: 2009 Hummer H3 3.7 L5 GAS
When the Tire Pressure Monitor system detects a significant loss of tire pressure, the CHECK TIRE PRESSURE message is displayed on the DIC and the low tire pressure indica...
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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+.
Starter, Replace
Vehicle: 2008 Hummer H3 Alpha 5.3 V8 GAS
- Place transmission in neutral.
- Release park brake, if applied.
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove right front tire and wheel.
- Remove engine wiring harness, then positive battery cable terminal nut and cable terminal from starter.
- Disconnect engine wiring harness electrical connector from starter motor.
- Mark front universal joint to drive shaft flange.
- Remove propeller shaft retaining bolts and straps.
- Remove propeller shaft from front pinion drive flange.
- Remove propeller shaft retaining bolts.
- Remove propeller shaft and CV joint from transmission, then tra...
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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 -> Air Cleaner Restriction Indicator ->
Vehicle: 2009 Hummer H3T 3.7 L5 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 Hummer AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Hummer cars and light trucks from 1990+
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2003 Hummer H2 6.0 V8 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition heater core inlet hose clamp at engine.
- Remove hose from engine.
- Reposition heater hose inlet clamp at heater core.
- Remove heater inlet hose from heater core.
- Remove hose from vehicle.
- Reverse procedure to in...
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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: 2009 Hummer H3T Alpha 5.3 V8 GAS
- Rotate tensioner clockwise with a suitable 3/8 inch breaker bar.
- Remove belt from water pump pul...
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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+.
 Console Diagram for 2007 Hummer H3 X 3.7 L5 GASComponents on diagram: |
 Wiper/Washer Systems Components Diagram for 2006 Hummer H2 6.0 V8 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.
 2008 Hummer H3 Alpha 5.3 V8 GAS Wiring DiagramComponents on diagram: |
 2007 Hummer H3 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: GM TECHNICAL ASSISTANCE INFORMATION FORM - REVISED Vehicle: 2006 Hummer H3 3.5 L5 GAS Auto Systems: |
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Document: AUTOMATIC TRANSMISSION OIL COOLER FLUSH AND FLOW TEST ESSENTIAL TOOL J 45096 TRANSFLOW - REVISED Vehicle: 2003 Hummer H2 6.0 V8 GAS Auto Systems: |
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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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