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Hummer 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 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
automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR Hummer AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported Hummer cars and light trucks from 1990+
Automatic Temperature Control Systems Diagnosis & Testing -> Hummer H2 -> Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> Intermittents -> System Performance Test
Vehicle: 2004 Hummer H2 6.0 V8 GAS
Accessing Diagnostic Trouble Codes
Connect a suitably programmed scan tool to Data Link Connector (DLC) and follow manufacturer's instructions.
Intermittents
Because many intermittent faults are caused at electrical connections, diagnosis of such problems should begin with a visual and physical inspection of connectors involved with the code. Appropriate connectors should be disconnected, examined and r...
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BRAKE SERVICE PROCEDURES FOR Hummer AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Hummer 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: 2007 Hummer H2 6.0 V8 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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FUEL FILTER REPLACEMENT PROCEDURES FOR Hummer AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Hummer cars and light trucks sold in the U.S. for 1980+.
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Component Locations -> 1999-06 Escalade, Avalanche & Denali, 1988-03 & C/K Pickup (Except 1999-03 Sierra & Silverado), 1992-06 Blazer, Jimmy, Hummer H2, SSR, Suburban, Yukon XL, Tahoe, Yukon, Bravada Gasoline Engines & 2004-06 Rainier, TrailBlazer & Envoy
Vehicle: 2006 Hummer H2 6.0 V8 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Hummer AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Hummer cars and light trucks from 1990+.
DRIVESHAFT, Replace -> Front -> One Piece Driveshaft -> Rear -> Two Piece Driveshaft
Vehicle: 2008 Hummer H3 3.7 L5 GAS
Front
- Raise and support vehicle.
- Mark the front U-joint to the pinion yoke on the front differential.
- Mark the relationship of the rear U-joint to the transfer case drive flange.
- Remove the retaining nuts and bolts from the drive flange.
- Remove the clamps and retaining bolts from the front drive axle pinion flange.
- Remove the front propeller shaft from the vehicle.
- Using tape and or a rubber band, wrap the front U-joint bearing caps to ensure the caps do not separate from the U-joint.
- Reverse procedure to install, noting the following:
- Torque front propeller shaft to the pinion flang...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR Hummer 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 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 X 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 AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Hummer 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 AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Hummer cars and light trucks sold in the U.S. from 1990+.
General Motors Corp./Saturn Trucks -> Check Engine Oil Level ->
Vehicle: 2006 Hummer H2 6.0 V8 GAS
This system is used to indicate a low engine oil level condition. The lamp should light during engine starting. If oil level is sufficient, the lamp should go off when engine is operating. If oil level is low the...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Hummer AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Hummer cars and light trucks from 1990+
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2005 Hummer H2 6.0 V8 GAS
Lower
- Drain cooling system into a suitable container.
- Remove air cleaner resonator outlet duct.
- Reposition hose clamp from radiator.
- Remove radiator outlet hose from radiator.
- Reposition hose clamp from engine.
- Remove radiator outlet hose from engine and from vehicle.
- Reverse procedure to install.
Upper
- Drai...
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SERPENTINE BELT SERVICE PROCEDURES FOR Hummer AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Hummer cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 2008 Hummer H2 6.2 V8 GAS
- Loosen air cleaner outlet duct clamps at following locations:
- Throttle body
- Mass airflow/intake air temperature (MAF/IAT) sensor.
- Remove air cleaner outlet duct.
- Install a breaker bar with hex-head socket to drive belt tensioner bolt.
- Rotate drive belt tensioner clockwise in o...
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COMPONENT LOCATION DIAGRAMS FOR Hummer AUTOMOBILES
Component location diagrams for most Hummer cars and light trucks sold in the U.S. from 1990+.
 Body Components Diagram for 2007 Hummer H2 6.0 V8 GASComponents on diagram: |
 Body Components Diagram for 2007 Hummer H3 3.7 L5 GASComponents on diagram: |
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WIRING DIAGRAMS FOR Hummer AUTOMOBILES
OEM drawn wiring diagrams for most Hummer cars and light trucks sold in the U.S.
 2007 Hummer H3 3.7 L5 GAS Wiring DiagramComponents on diagram: |
 2007 Hummer H2 6.0 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Hummer AUTOMOBILES
OEM TSB listings for most Hummer cars and light trucks sold in the U.S. from 1985+.
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Document: Interior Dome Lights Inoperative At Times From Doors Vehicle: 2009 Hummer H3T 3.7 L5 GAS Symptoms: |
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Document: WHINE NOISE FROM HEADREST DVD SYSTEM - REVISED Vehicle: 2009 Hummer H3 X 3.7 L5 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR Hummer AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Hummer 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 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 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 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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