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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!

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    Get Full Access 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!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Hummer mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 2004 Hummer H2 vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

    A/C & HEATER SERVICE PROCEDURES FOR 2004 Hummer H2 AUTOMOBILES

    Component Replacement & Adjustment -> Hummer H2 -> Heating, Ventilation & Air Condition (HVAC) Control Assembly, Replace
    Vehicle: 2004 Hummer H2 6.0 V8 GAS

    • Loosen set screw and remove shift control knob.
    • Remove mounting screws and storage bin from center console.
    • Loosen shift lever locking screw and remove shifter.
    • Disconnect the PRNDL lamps from the cup holder using suitable flat-bladed tool.
    • Remove cup holder.
    • Remove end panel to center console and disconnect electrical connectors.
    • Remove console end panel.
    • Disconnect clips and remove upper console trim panel.
    • Disconnect console electrical connector, then remove mounting bolts and cente...

    CLICK HERE TO GET FULL ACCESS TO 2004 Hummer H2 A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 2004 Hummer H2 AUTOMOBILES

    Power Brake Units -> Delco Brake Booster -> Brake System Bleed -> Hydraulic System Flush -> Manual Bleed -> Master Cylinder Bleed -> Parking Brake Bleed -> Pressure Bleed
    Vehicle: 2004 Hummer H2 6.0 V8 GAS

    Manual Bleed

    • If vehicle is equipped with power brakes, remove vacuum reserve by applying brakes several times with engine off.
    • Fill master cylinder reservoirs with suitable brake fluid. Ensure to always keep master cylinder reservoirs at least half full during entire bleeding procedure.
    • If master cylinder is suspected to have air in bore, it must be bled first. To bleed master cylinder, proceed as follows:
      • Disconnect forward brake pipe connection at master cylinder.
      • Allow brake fluid to fill master cylinder bore until it begins to flow from forward pipe connector port.
      • Connect and ...

    CLICK HERE TO GET FULL ACCESS TO 2004 Hummer H2 BRAKE SERVICE PROCEDURES

    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

    CLICK HERE TO GET FULL ACCESS TO 2004 Hummer H2 FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2004 Hummer H2 AUTOMOBILES

    DRIVESHAFT, Replace -> Front -> Install -> Rear -> Remove
    Vehicle: 2004 Hummer H2 6.0 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...

    CLICK HERE TO GET FULL ACCESS TO 2004 Hummer H2 DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    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...

    CLICK HERE TO GET FULL ACCESS TO 2004 Hummer H2 STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Hummer H2 AUTOMOBILES

    General Motors Corp./Saturn Trucks -> Check Engine Oil Level ->
    Vehicle: 2004 Hummer H2 6.0 V8 GAS

    This system is used to indicate a low engine oil level condition. The lamp should light during engine starting. If oil level is sufficient, the lamp should go off when engine is operating. If oil level is low the...

    CLICK HERE TO GET FULL ACCESS TO 2004 Hummer H2 MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Hummer H2 AUTOMOBILES

    Radiator, Replace
    Vehicle: 2004 Hummer H2 6.0 V8 GAS

    • Drain radiator coolant into suitable container.
    • Remove upper and lower radiator hoses.
    • Remove mounting bolts and lower fan shroud.
    • Remove engine vent hose and surge take hose.
    • Disconnect engine oi...

    CLICK HERE TO GET FULL ACCESS TO 2004 Hummer H2 RADIATOR & HOSE REPLACEMENT PROCEDURES

    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...

    CLICK HERE TO GET FULL ACCESS TO 2004 Hummer H2 SERPENTINE BELT SERVICE PROCEDURES

    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+.

    Underbody Components Diagram for 2004 Hummer H2  6.0 V8 GASUnderbody Components Diagram for 2004 Hummer H2 6.0 V8 GAS

    Components on diagram:
  • WSS
  • Axle Assembly
  • Instrument Panel Diagram for 2004 Hummer H2  6.0 V8 GASInstrument Panel Diagram for 2004 Hummer H2 6.0 V8 GAS

    Components on diagram:
  • I/P Harness
  • Vehicle Communication Interface Module
  • Connector C-1
  • Connector C-2
  • Connector C-3
  • CLICK HERE TO GET FULL ACCESS TO 2004 Hummer H2 PARTS/COMPONENTS LOCATION DIAGRAMS!

    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 Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Driver Door Module
  • Front Passenger Door Module
  • 2004 Hummer H2  6.0 V8 GAS Wiring Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Windshield Wiper Motor And Module
  • Body Control Module
  • Ambient Light Sensor
  • Turn Signal/Multifunction Switch
  • CLICK HERE TO GET FULL ACCESS TO 2004 Hummer H2 WIRING DIAGRAMS!

    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+.

    Document: Revised General Motors New Vehicle Tire Warranty Program
    Vehicle: 2004 Hummer H2 6.0 V8 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • Document: Front or Rear Axle Vent Hose Fluid Leak
    Vehicle: 2004 Hummer H2 6.0 V8 GAS

    Symptoms:
  • Leaks
  • CLICK HERE TO GET FULL ACCESS TO 2004 Hummer H2 TECHNICAL SERVICE BULLETINS!

    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

    CLICK HERE TO GET FULL ACCESS TO 2004 Hummer H2 SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details about 2007 Hummer H2 Cigarette Lighter2007 Hummer H2 Cigarette Lighter, With wire terminal; A high quality cigarette lighter; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $6.39

    Click here to view more details2003 Hummer H2 Brake Light Switch, Blade type; 6-prong male terminal; A high quality, direct fit OE replacement brake light switch; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $8.95

    Click here to view more details2009 Hummer H2 Hvac Heater Block, Hvac Heater Core; V6 Engine, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $34.45

    Click here to view more details2005 Hummer H2 V8, 6.0 L, 368 CID Rebuilt Engine, 6.0 V-8 Aluminum Heads, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $2,099.00

    Click here to view more details2003 Hummer H2 Used Rear Drive Shaft, Good.

    Source: Used Auto Parts Store

    $217.00

    Click here to view more details2009 Hummer H2 Used A/C Compressor, 3.7, Very Good.

    Source: Used Auto Parts Store

    $159.00
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