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2006 Hummer H3 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Hummer REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- Brake Service
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

BRAKE SERVICE PROCEDURES FOR 2006 Hummer H3 AUTOMOBILES
Anti-Lock Brakes -> ADVICS -> System Service -> ABS Automated Bleed Procedure -> Brake Master Cylinder w/Power Brake Booster & Chassis Control Module -> Brake Pressure Modulator Valve (BPMV) -> Brake System Bleed -> Canyon & Colorado -> Component Replacement -> Electronic Brake Control Module (EBCM) -> Front Wheel Speed Sensor -> Hummer H3 -> Hydraulic Brake System Bleeding -> Longitudinal Accelerometer -> Manual -> Pressure -> Rear Wheel Speed Sensor -> Rear Wheel Speed Sensor Ring -> Yaw Rate Sensor/Lateral & Longitudinal Accelerometer
Vehicle: 2006 Hummer H3 3.5 L5 GAS
Brake System Bleed
ABS Automated Bleed Procedure
Do not remove the reservoir cap while depressing and releasing the brake pedal. If the cap is removed while depressing and releasing the brake pedal, pressurized brake fluid being returned to the reservoir may leave the reservoir. Personal injury or vehicle damage could result.
Do not allow the HBCi pump and motor to run more than one minute continuously. Allow two minutes cool down time between pump run times. Extended pump and motor run time could create excessive heat and damage the pump and motor assembly.
Perform steps 1-4 below t...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2006 Hummer H3 AUTOMOBILES
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 2006 Hummer H3 3.5 L5 GAS
Never clamp propeller shaft tubing in a vise. Clamping could dent or deform the tube causing an imbalance or unsafe condition. Always clamp on one of the yokes and support the shaft horizontally. Avoid damaging the slip yoke sealing surface. Nicks may damage the bushing or cut the lip seal.
Disassemble
- Support propeller shaft in a line horizontal with table of a press.
- Mark propeller shaft in order to show which end connects to transmission and which end goes to rear axle.
- On models equipped with external snap ring retainers, proceed as follows:
- Disassemble snap rings by ...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2006 Hummer H3 AUTOMOBILES
Component Replacement -> Installation -> Removal -> Tire Pressure Indicator Sensor
Vehicle: 2006 Hummer H3 3.5 L5 GAS
Tire Pressure Indicator Sensor
Each tire pressure sensor has an internal power supply which has a service life of 10 years.
Removal
- Loosen the lug nuts.
- Raise and support vehicle with jack stands, then remove the wheel and tire assembly.
- Prior to dismounting the tire from the wheel, note the following precautions:
- Position the bead breaking fixture 90° from the valve stem when separating the tire bead from the wheel.
- Place the mounting and dismounting head so that the tire iron or pry bar can be inserted slightly clockwise of the sensor body when prying the tire bead up and over ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2006 Hummer H3 AUTOMOBILES
Alternator, Replace
Vehicle: 2006 Hummer H3 3.5 L5 GAS
- Disconnect battery ground cable.
- Remove drive belt.
- Raise and support vehicle high enough to access air conditioning compressor through wheelhouse.
- Remove lefthand front wheel.
- Remove lefthand wheelhouse liner.
- Disengage air conditioning compressor electrical connector from bracket.
- Recover air conditioning system.
- Disconnect air conditioning condenser and evaporator lines from compressor.
- Remove air conditioning compressor mounting bolts. Upper mounting bolt will remain with air conditioningcompressor.
- Lower vehicle.
- ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2006 Hummer H3 AUTOMOBILES
General Motors Corp./Saturn Trucks -> Check Fuel Cap Lamp ->
Vehicle: 2006 Hummer H3 3.5 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 2006 Hummer H3 AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2006 Hummer H3 3.5 L5 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition heater core inlet hose clamp at engine.
- Remove hose from engine.
- Reposition heater hose inlet clamp at heater core.
- Remove heater inlet hose from heater core.
- Remove hose from vehicle.
- Reverse procedure to in...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2006 Hummer H3 AUTOMOBILES
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 2006 Hummer H3 AUTOMOBILES
Component location diagrams for most 2006 Hummer H3 cars and light trucks sold in the U.S. from 1990+.
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![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2006 Hummer H3 AUTOMOBILES
OEM drawn wiring diagrams for most 2006 Hummer H3 cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2006 Hummer H3 AUTOMOBILES
OEM TSB listings for most 2006 Hummer H3 cars and light trucks sold in the U.S. from 1985+.
Document: Engine Rattle Noise after R And R of the Crankshaft Balancer -Inspect Bolt Torque Vehicle: 2006 Hummer H3 3.5 L5 GAS Symptoms: |
Document: GM of Canada New Vehicle Limited Warranty Tire Program Vehicle: 2006 Hummer H3 3.5 L5 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2006 Hummer H3 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2006 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 2006 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 2006 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 2006 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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