Auto Parts Search


      Over 40 million used auto parts online. Shop online for auto and truck parts and save up to 75%

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!

    Automotive Domain Names

    Help me findSearch

    Select Section

    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 -> Compressor, Replace
    Vehicle: 2004 Hummer H2 6.0 V8 GAS

    • Recover refrigerant as outlined in .
    • Loosen clamps from throttle body and Mass Air Flow (MAF) sensor, then the air cleaner outlet duct.
    • Remove radiator inlet hose from fan shroud retainer.
    • Remove fan shroud lefthand mounting bolt.
    • Remove transmission oil cooler line from fan shroud retainer.
    • Rotate slip ring from in fan shroud.
    • Remove upper mounting bolts and fan shroud.
    • Relieve tension by rotating belt tensioner clockwise, and remove compressor belt.
    • Remove bolts, then the discharge and s...

    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 -> Power Brake Unit Service
    Vehicle: 2004 Hummer H2 6.0 V8 GAS

    The power brake unit is n...

    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

    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...

    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+.

    Roof Components Diagram for 2004 Hummer H2  6.0 V8 GASRoof Components Diagram for 2004 Hummer H2 6.0 V8 GAS

    Components on diagram:
  • Clearance Lamp
  • Roof Lamp
  • Splice S-303
  • Splice S-345
  • Clearance Lamp Connector
  • Seat Components Diagram for 2004 Hummer H2  6.0 V8 GASSeat Components Diagram for 2004 Hummer H2 6.0 V8 GAS

    Components on diagram:
  • Heated Seat Element
  • Connector C-378
  • Seat Bolster Motor
  • Seat Lumbar Motor
  • Cushion Connector
  • 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
  • Air Suspension Module
  • Air Suspension Compressor
  • Ride Height Switch
  • 2004 Hummer H2  6.0 V8 GAS Wiring Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Memory Seat Module-Driver
  • Seat Rear Vertical Position Sensor-Driver
  • Seat Rear Vertical Motor-Driver
  • Seat Horizontal Motor-Driver
  • Seat Recline Motor-Driver
  • 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 Tail Light2007 Hummer H2 Tail Light, Bulbs included; SAE and DOT compliant to FMVSS-108; Features clear, sturdy top lenses for maximum brightness and specialized heat vents to prevent extreme temperature lens damage; Vacuum tested and 3-point inspected before finished to ensure air-tight lenses and quality; No drilling or modification required; Easy installation; With 1-year IPCW limited warranty..

    Source: Auto Body Parts Store

    $303.73

    Click here to view more details2003 Hummer H2 Neutral Safety Switch, Blade type; 4-prong and 7-prong male terminals; A high quality, direct fit OE replacement neutral safety switch; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $37.58

    Click here to view more details about 2009 Hummer H2 17" x 8.5" Alloy Wheel2009 Hummer H2 17" x 8.5" Alloy Wheel, Alloy Wheel; 17 X 8.5; 18MM Offset; 7 Spokes; 8 Lug; 6.5 Inch BP; Machined And Dark Silver, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $105.50

    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 Exhaust Manifold, R. NEW 1390732 EXHAUST MANIFOLD ESCALADE 02 (5.3L), SIERRA DENALI 03-07 (6.0L), SIERRA DENALI (6.2L), AFTERMARKET.

    Source: Used Auto Parts Store

    $96.00

    Click here to view more details2008 Hummer H2 Used A/C Compressor, 5.3, AUTO, RWD, Very Good.

    Source: Used Auto Parts Store

    $139.00
    More parts
    Help me findSearch
    Auto Repair Quick Search
    Help me find
    Search DIY repair manuals by VIN...
    Vehicle Identification Number is a unique serial number used by the automotive industry to identify individual motor vehicles

    Find out what info we have for your vehicle

    Get the Complete Technical Service Bulletins!
    Get the Complete Technical Service Bulletins!Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 2004 Hummer H2 vehicle.
    Access the Complete guide!
    Need To Fix Your Car or Truck?
    Save Money With Free Car Insurance Quote
    FREE car insurance quote
    Enter Zip Code:
    GOT A WEBSITE?Make money with Automotix

    Make money with Automotix Partner Program.

    Learn more

    Auto Repair Quick Search
    Help me find