Hummer H3 REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

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Hummer H3 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 Hummer H3 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 H3 automobile. Try the Automotix DIY solution today!
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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 Hummer H3 vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

BRAKE SERVICE PROCEDURES FOR Hummer H3 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Hummer H3 cars and light trucks from 1990+.

Hydraulic Brake Systems -> Component Replacement -> Master Cylinder
Vehicle: 2007 Hummer H3 X 3.7 L5 GAS

Master Cylinder

  • On models equipped with manual brake system,disconnect master cylinder pushrod from brake pedal.
  • On all models, disconnect all wire con...

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Hummer H3 AUTOMOBILES

Includes CV axle, universal joint, and driveline replacement, for domestic and imported Hummer H3 cars and light trucks from 1990+.

CV AXLE SHAFT, Replace
Vehicle: 2009 Hummer H3 Alpha 5.3 V8 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...

CLICK HERE TO GET FULL ACCESS TO Hummer H3 DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR Hummer H3 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 H3 cars and light trucks sold in the U.S. from mid 1990's+.

Wiring Diagrams -> Wire Color Code Identification
Vehicle: 2006 Hummer H3 3.5 L5 GAS

Refer to Fig. for wirin...

[[table data]]

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Hummer H3 AUTOMOBILES

Includes starter and alternator replacement procedures for domestic and imported Hummer H3 cars and light trucks from 1990+.

Alternator, Replace
Vehicle: 2008 Hummer H3 3.7 L5 GAS

  • Disconnect battery ground cable.
  • Remove drive belt using a suitable tool.
  • Raise and support vehicle only high enough to access air conditioning compressor through wheelhouse.
  • Remove left front wheel.
  • Remove retainers and left wheelhouse liner.
  • On models equipped with air conditioning ,disengage air conditioning compressor electrical connector from bracket.
  • Recover air conditioning system, using a suitable air conditioning Service Center.
  • Disconnect A/C condenser and evaporator lines from A/C compressor.
  • Remove A/C compressor mounting bolts. Upper mounting bolt will remain with A/C c...

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MAINTENANCE LAMP RESET PROCEDURES FOR Hummer H3 AUTOMOBILES

Maintenance lamp reset procedures with corresponding images for most domestic and imported Hummer H3 cars and light trucks sold in the U.S. from 1990+.

General Motors Corp./Saturn Trucks -> Check Fuel Cap Lamp ->
Vehicle: 2008 Hummer H3 X 3.7 L5 GAS

The Check Fuel Cap Lamp will illuminate momentarily when the ignition switch is placed in the On position as a bulb check. I...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Hummer H3 AUTOMOBILES

Includes radiator, cooling and heater hose replacement procedures for domestic and imported Hummer H3 cars and light trucks from 1990+

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2009 Hummer H3 Championship Series 5.3 V8 GAS

Inlet

  • Drain cooling system into a suitable container.
  • Reposition hose clamp at heater core and remove hose.
  • Reposition hose clamp at heater inlet pipe and remove hose.
  • Remove hose from vehicle.
  • Reverse procedure t...

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SERPENTINE BELT SERVICE PROCEDURES FOR Hummer H3 AUTOMOBILES

Serpentine belt replacement procedures with corresponding images for most domestic and imported Hummer H3 cars and light trucks sold in the U.S. from 1990+.

Serpentine Drive Belt, Replace
Vehicle: 2006 Hummer H3 3.5 L5 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 H3 AUTOMOBILES

Component location diagrams for most Hummer H3 cars and light trucks sold in the U.S. from 1990+.

Frame Rail Components Diagram for 2008 Hummer H3 Alpha 5.3 V8 GASFrame Rail Components Diagram for 2008 Hummer H3 Alpha 5.3 V8 GAS

Components on diagram:
  • Fuel Tank Pressure Sensor Connector
  • Fuel Pump/Sender Assembly
  • Chassis Harness
  • Fuel Tank
  • Evaporative Emission Canister Vent Solenoid Valve
  • Body Components Diagram for 2007 Hummer H3  3.7 L5 GASBody Components Diagram for 2007 Hummer H3 3.7 L5 GAS

    Components on diagram:
  • Right Rear Door Ajar Switch
  • Left Rear Door Ajar Switch
  • Driver Door Ajar Switch
  • Passenger Door Ajar Switch
  • Endgate Ajar Switch
  • CLICK HERE TO GET FULL ACCESS TO Hummer H3 PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR Hummer H3 AUTOMOBILES

    OEM drawn wiring diagrams for most Hummer H3 cars and light trucks sold in the U.S.

    2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Instrument Panel Cluster
  • Brake
  • Body Control Module
  • Brake Pressure Modulator Valve
  • Electronic Brake Control Module
  • 2008 Hummer H3 X 3.7 L5 GAS Wiring Diagram2008 Hummer H3 X 3.7 L5 GAS Wiring Diagram

    Components on diagram:
  • Instrument Panel Cluster
  • Vehicle Speed Sensor
  • Engine Control Module
  • Clutch Pedal Position Sensor
  • CLICK HERE TO GET FULL ACCESS TO Hummer H3 WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR Hummer H3 AUTOMOBILES

    OEM TSB listings for most Hummer H3 cars and light trucks sold in the U.S. from 1985+.

    Document: DEX-COOL COOLANT - NEW LEAK DETECTION DYE J 46366 - REPLACES J 29545-6 - REVISED
    Vehicle: 2008 Hummer H3 3.7 L5 GAS

    Auto Systems:
  • Chemicals, Antifreeze, Additives
  • Cooling, Water Pump, Drive Belts, Pulleys
  • Document: USE OF CHROME OR CHROME PLATED STEEL VALVE CAPS ON ALUMINUM VALVE STEMS
    Vehicle: 2007 Hummer H3 3.7 L5 GAS

    Auto Systems:
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • CLICK HERE TO GET FULL ACCESS TO Hummer H3 TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR Hummer H3 AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Hummer H3 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 H3 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 H3 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 H3 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 Hummer H3 SPECIFICATIONS DATA!

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