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Hummer H3 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Hummer REPAIR SHOPS DON'T WANT YOU TO KNOW
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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!
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+.
Power Brake Units -> Delco Brake Booster -> Description -> Operation -> Single Diaphragm Type -> Tandem (Dual) Diaphragm Type
Vehicle: 2008 Hummer H3 Alpha 5.3 V8 GAS
In order to properly service power brake systems, a thorough understanding of the various power assist systems is required. These systems provide a mechanical assist, acting to increase the force applied to the master cylinder piston by the driver while decreasing the effort required to obtain acceptable stopping performance. Two basic types of power assist mechanisms are used: vacuum assist diaphragm assemblies which use engine vacuum and in some cases vacuum from an external vacuum pump, and hydraulic assist assemblies which use hydraulic pressure developed by an external pump (us...
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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: 2007 Hummer H3 X 3.7 L5 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...
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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: 2009 Hummer H3 Championship Series 5.3 V8 GAS
Refer to Fig. for wir...
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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+.
Starter, Replace
Vehicle: 2007 Hummer H3 X 3.7 L5 GAS
- Loosen air cleaner resonator outlet duct clamp.
- Remove air cleaner resonator bolts.
- Lift upward on air cleaner resonator assembly.
- Disconnect crankcase ventilation hose from camshaft cover.
- Disconnect outlet duct from throttle body.
- Remove air cleaner resonator assembly from engine.
- Disconnect evaporative emission canister purge pipe from throttle control module, using suitable quick disconnect tool.
- Disconnect throttle body electrical connector.
- Remove throttle body bolts.
- Remove throttle body and seal from intake manifold, discard seal.
- Clean gasket surface.
- Open protective cover to acc...
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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 -> Tire Pressure Monitoring System (TPMS) Warning Indicator -> 2006-07 H3 -> Relearn -> Reset
Vehicle: 2007 Hummer H3 X 3.7 L5 GAS
Reset
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 indicator is displayed on the instrument panel cluster. Adjusting tire to recommended pressure will clear the tire message.
Relearn
- Apply the Parking brake, then place the ignition switch in the On position.
- Cycle the headlamp switch from Off to Parking Lamp position 4 times within 4 seconds.
- The horn should chirp twice and the low tire pressure warning indicator should begin to flash indicating the system is in the lear...
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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+
Radiator, Replace
Vehicle: 2008 Hummer H3 X 3.7 L5 GAS
- Drain coolant from radiator into suitable container.
- Raise and support vehicle using a suitable lift.
- On models equipped with automatic transmission,remove and plug transmission cooler lines from radiator.
- On all models, reposition radiator outlet hose clamp from radiator using a suitable tool.
- Remove radiator outlet hose from radiator, then lower vehicle.
- Remove cooling fan.
- Reposition radiator inlet hose c...
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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: 2008 Hummer H3 X 3.7 L5 GAS
- Install a 3/8 inch breaker bar into drive belt tensioner.
- Rotate tensioner clockwise, in order to relieve tension on drive belt.
- Slide drive belt off of w...
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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+.
 Engine Harnesses Diagram for 2006 Hummer H3 3.5 L5 GASComponents on diagram: |
 Door Diagram for 2008 Hummer H3 Alpha 5.3 V8 GASComponents on diagram: |
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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 X 3.7 L5 GAS Wiring DiagramComponents on diagram: |
 2006 Hummer H3 3.5 L5 GAS Wiring DiagramComponents on diagram: |
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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+.
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Document: INFORMATION ON DISCOLORATION, BLISTERING, PEELING OR EROSION OF VARIOUS EXTERIOR EMBLEMS INCLUDING THE CHEVY BOWTIE - REVISED Vehicle: 2009 Hummer H3 3.7 L5 GAS Symptoms: |
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Document: LOW VOLTAGE DISPLAY ON IP GAUGE, LIGHTS DIM AT STOP LIGHTS, BATTERY DISCHARGED, NO START, SLOW CRANKING, DIM LIGHTS AT IDLE, LOW GENERATOR OUTPUT - REVISED Vehicle: 2007 Hummer H3 3.7 L5 GAS Symptoms: |
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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
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