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2004 Hummer H2 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 Section
- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 Hummer H2 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 H2 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2004 Hummer H2 AUTOMOBILES
Component Replacement & Adjustment -> Hummer H2 -> Heater Core, Replace
Vehicle: 2004 Hummer H2 6.0 V8 GAS
- Remove HVAC module as outlined in "Heating, Ventilation & Air Condition (HVAC) Module, Replace."
- Remove mounting screws a...
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BRAKE SERVICE PROCEDURES FOR 2004 Hummer H2 AUTOMOBILES
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Brake Pad Service
Vehicle: 2004 Hummer H2 6.0 V8 GAS
The procedures to remove and install the brake pads are outlined in "Calip... "
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Hummer H2 AUTOMOBILES
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 2004 Hummer H2 AUTOMOBILES
CV AXLE SHAFT, Replace -> Install -> Remove
Vehicle: 2004 Hummer H2 6.0 V8 GAS
Remove
- Raise and support vehicle.
- Remove wheel and tire assembly.
- Remove drive axle center cap, if equipped.
- Insert a drift or large screwdriver through brake caliper into one of the brake rotor vanes in order to prevent drive axle wheel drive shaft from turning.
- Remove nut and washer from hub. Do not reuse nut. A new nut must be used when installing wheel drive shaft.
- Using axle remover tool No. J 45859 or equivalent, press wheel drive shaft from hub.
- Remove bolts securing wheel drive shaft inboard flange to output shaft flange.
- Remove drift from rotor.
- Remove stabilizer shaft li...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Hummer H2 AUTOMOBILES
Starter, Replace
Vehicle: 2004 Hummer H2 6.0 V8 GAS
- Disconnect battery ground cable.
- Remove mounting bolts and engine shield, if required.
- Remove mounting bolts and oil pan skid plate, if required.
- Remove righthand transaxle cover bolt.
- Remove front axle mounting bracket nut, then position front axle mounting bracket bolt until tip is flush with support bushing. Do not remove bolt.
- Remove starter motor mounting bolts and slide starter forward until it clears transaxle.
- Disconnect oil level sensor electrical connector.
- Remove s...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Hummer H2 AUTOMOBILES
General Motors Corp./Saturn Trucks -> Check Engine/Service Engine Soon Indicator Lamp -> Electronic Engine Controls Or Electronic Fuel Injection Except Tracker
Vehicle: 2004 Hummer H2 6.0 V8 GAS
The Check Engine/Service Engine Soon Lamp should light when the ignition is turned On. When the engine is started, the lamp should go off. If the lamp remains on for 10 seconds or constantly after the engine is started, the self diagnosis system has detected a problem and has stored a code in the system Electronic Control Module (ECM) or Powertrain Control Module (PCM). After diagnosis and repair, the ECM/PCM memory can be cleared of codes either by using a scan tool (OBD II systems) or by disconnecting the battery ground ca...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Hummer H2 AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2004 Hummer H2 6.0 V8 GAS
Lower
- Drain cooling system into a suitable container.
- Remove air cleaner resonator outlet duct.
- Reposition hose clamp from radiator.
- Remove radiator outlet hose from radiator.
- Reposition hose clamp from engine.
- Remove radiator outlet hose from engine and from vehicle.
- Reverse procedure to install.
Upper
- Drai...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2004 Hummer H2 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 Hummer H2 6.0 V8 GAS
- Rotate tensioner clockwise to release belt tension using suitable wrench, then remove belt.
- Route belt over pulleys excep...
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COMPONENT LOCATION DIAGRAMS FOR 2004 Hummer H2 AUTOMOBILES
Component location diagrams for most 2004 Hummer H2 cars and light trucks sold in the U.S. from 1990+.
 Instrument Panel Diagram for 2004 Hummer H2 6.0 V8 GASComponents on diagram: |
 Underbody Components Diagram for 2004 Hummer H2 6.0 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2004 Hummer H2 AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Hummer H2 cars and light trucks sold in the U.S.
 2004 Hummer H2 6.0 V8 GAS Wiring DiagramComponents on diagram: |
 2004 Hummer H2 6.0 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Hummer H2 AUTOMOBILES
OEM TSB listings for most 2004 Hummer H2 cars and light trucks sold in the U.S. from 1985+.
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Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2004 Hummer H2 6.0 V8 GAS Auto Systems: |
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Document: Front or Rear Axle Vent Hose Fluid Leak Vehicle: 2004 Hummer H2 6.0 V8 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Hummer H2 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 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 2004 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 2004 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 2004 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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