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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 Single Piston Sliding Caliper -> Brake System Bleed -> Manual Bleed -> Pressure Bleed
Vehicle: 2008 Hummer H3 3.7 L5 GAS
Manual Bleed
- If vehicle is equipped with power brakes, remove vacuum reserve by applying brakes several times with engine off.
- Fill master cylinder reservoirs with suitable brake fluid. Ensure to always keep master cylinder reservoirs at least half full during entire bleeding procedure.
- If master cylinder is suspected to have air in bore, it must be bled first. To bleed master cylinder, proceed as follows:
- Disconnect forward brake pipe connection at master cylinder.
- Allow brake fluid to fill master cylinder bore until it begins to flow from forward pipe connector port.
- Connect and ...
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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+.
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 2007 Hummer H3 3.7 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 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+.
Description
Vehicle: 2008 Hummer H3 X 3.7 L5 GAS
The TPMS (Tire Pressure Monitor System) warns the driver when a significant loss, or gain of tire pressure occurs in any of the four tires and allows the driver to display the individual tire pressures and the locations on the DIC (Driver Information Center) display. The system consists of the BCM (Body Control Module), DIC, instrument cluster, RF (Radio Frequency transmitting tire pressure sensor in each wheel and serial data circuit. Each tire pressure sensor has an internal power supply with a service life of 10 years.
When the vehicle is stationary, the sensor is inactive. When t...
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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 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 -> Check Engine/Service Engine Soon Indicator Lamp -> Electronic Engine Controls Or Electronic Fuel Injection Except Tracker
Vehicle: 2009 Hummer H3 Alpha 5.3 V8 GAS
The Check Engine/Service Engine Soon Lamp should light when the ignition is turned On. When the engine is started, the lamp should go off. If the lamp remains on for 10 seconds or constantly after the engine is started, the self diagnosis system has detected a problem and has stored a code in the system Electronic Control Module (ECM) or Powertrain Control Module (PCM). After diagnosis and repair, the ECM/PCM memory can be cleared of codes either by using a scan tool (OBD II systems) or by disconnecting the battery ground ca...
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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: 2009 Hummer H3 Alpha 5.3 V8 GAS
- Drain cooling system into a suitable container.
- Remove surge tank hose/pipe.
- Remove radiator inlet hose.
- Remove radiator outlet hose.
- Remove cooling fan and shroud.
- Disconnect engine oil cooler lines from radiator.
- Disconnect transmission oil cooler lines from radiator.
- Remo...
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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: 2007 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+.
 Front of Vehicle Diagram for 2008 Hummer H3 3.7 L5 GASComponents on diagram: |
 Door Diagram for 2007 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.
 2007 Hummer H3 3.7 L5 GAS Wiring DiagramComponents on diagram: |
 2008 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: INFORMATION ON DISCOLORATION, BLISTERING, PEELING OR EROSION OF VARIOUS EXTERIOR EMBLEMS INCLUDING THE CHEVY BOWTIE Vehicle: 2007 Hummer H3 X 3.7 L5 GAS Auto Systems: |
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Document: INFORMATION ON INAPPROPRIATE WARRANTY CLAIMS SUBMITTED FOR DAMAGED RADIOS AND INSTRUMENT PANEL CLUSTERS (IPCS) Vehicle: 2008 Hummer H3 Alpha 5.3 V8 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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