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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+.
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Troubleshooting -> Brake Rattle -> Brake Roughness Or Chatter; Pedal Pumping -> Caliper Brake Fluid Leak -> Excessive Pedal Effort -> Excessive Pedal Travel -> Heavy Brake Drag -> No Braking Effect When Brake Pedal Is Depressed -> Pull, Uneven Or Grabbing Brakes -> Rear Brakes Locking On Application
Vehicle: 2006 Hummer H3 3.5 L5 GAS
Excessive Pedal Travel
- Worn brake linings.
- Disc pads knock back after cornering or rough road travel.
- Piston and linings not properly seated or positioned.
- Insufficient fluid in system.
- Loose wheel bearing adjustment.
- Damaged or worn caliper piston seal.
- Improper booster pushrod adjustment.
- Pads out of flat more than .005 inch.
- Rear brake automatic adjusters inoperative.
- Improperly ground rear brake shoes.
Brake Roughness Or Chatter; Pedal Pumping
- Excessive lateral runout of rotor.
- Rotor excessively out of parallel.
Excessive Pedal Effort
- Frozen or seized pistons.
- Brake fluid, oil or grease on ...
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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: 2006 Hummer H3 3.5 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+.
Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic System Check -> Diagnostic Tests -> DTC C0750 Left Front Low Tire Pressure Sensor, C0755 Right Front Low Tire Pressure Sensor, C0760 Left Rear Low Tire Pressure Sensor Or C0765 Right Rear Low Tire Pressure Sensor -> DTC C0775 Low Tire Pressure System Sensors Not Learned -> Intermittent & Poor Connections -> Intermittents -> Low Tire Pressure Indicator Fault -> Poor Connections
Vehicle: 2008 Hummer H3 3.7 L5 GAS
Accessing Diagnostic Trouble Codes
Connect a suitably programmed scan tool to DLC (Data Link Connector) and follow manufacturer's instructions.
Diagnostic Tests
Low tire pressure in one or more tires is indicated by a continuously illuminated TPMS indicator after the bulb check is completed. The DIC will display a check tire pressure type message, if equipped. It is not necessary to perform the Relearn procedure for a low tire condition.
When a TPMS DTC is set, the TPMS indicator will flash for one minute after the bulb check is completed and then will remain illuminated. The DI...
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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: 2009 Hummer H3 Championship Series 5.3 V8 GAS
- Disconnect battery ground cable from battery.
- Raise and support vehicle.
- Remove right front wheel and tire.
- Remove engine wiring harness/positive battery cable terminal nut and cable terminal from starter.
- Remove engine wiring harness electrical connector from starter.
- Remove front propeller shaft.
- Remove transmission cover bolt.
- Remove ...
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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 -> Change Oil, Change Oil Now Or Change Oil Soon Lamp & Messages -> H3 -> Alternate Method -> Reset Stem Method
Vehicle: 2009 Hummer H3 Alpha 5.3 V8 GAS
Reset Stem Method
- Turn ignition switch to RUN position, but do not start engine.
- Press and hold reset stem in the lower center of the instrument cluster until the Oil Life message is displayed.
- Once the alternating OIL LIFE and RESET messages appear in the display, press and hold the reset stem until several beeps sounds This confirms the oil life system has been reset.
- Turn ignition key to Lock position. If the CHANGE/OIL message comes back on when the engine is started, the engine oil life s...
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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 Alpha 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: 2009 Hummer H3 Championship Series 5.3 V8 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+.
 Instrument Panel Diagram for 2008 Hummer H3 X 3.7 L5 GASComponents on diagram: |
 Underbody Components Diagram for 2008 Hummer H3 X 3.7 L5 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.
 2006 Hummer H3 3.5 L5 GAS Wiring DiagramComponents on diagram: |
 2007 Hummer H3 X 3.7 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: DEX-COOL COOLANT - NEW LEAK DETECTION DYE J 46366 - REPLACES J 29545-6 - REVISED Vehicle: 2008 Hummer H3 3.7 L5 GAS Auto Systems: |
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Document: CORROSION PROTECTION FOR METAL PANELS WITH DEALER INSTALLED ACCESSORIES FASTENED BY DRILLED HOLES - REVISED Vehicle: 2007 Hummer H3 X 3.7 L5 GAS Auto Systems: |
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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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