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2007 Hummer H3 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Hummer REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Brake Service
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2007 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 2007 Hummer H3 AUTOMOBILES
Power Brake Units -> Delco Brake Booster -> Brake System Bleed -> Hydraulic System Flush -> Manual Bleed -> Master Cylinder Bleed -> Pressure Bleed
Vehicle: 2007 Hummer H3 X 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 2007 Hummer H3 AUTOMOBILES
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 2007 Hummer H3 AUTOMOBILES
Wiring Diagrams -> Wire Color Code Identification
Vehicle: 2007 Hummer H3 X 3.7 L5 GAS
Refer to Fig. for wirin...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2007 Hummer H3 AUTOMOBILES
Alternator, Replace
Vehicle: 2007 Hummer H3 3.7 L5 GAS
- Disconnect battery ground cable.
- Remove drive belt using a suitable tool.
- Raise and support vehicle only high enough to access air conditioning compressor through wheelhouse.
- Remove left front wheel.
- Remove retainers and left wheelhouse liner.
- On models equipped with air conditioning ,disengage air conditioning compressor electrical connector from bracket.
- Recover air conditioning system, using a suitable air conditioning Service Center.
- Disconnect A/C condenser and evaporator lines from A/C compressor.
- Remove A/C compressor mounting bolts. Upper mounting bolt will remain with A/C c...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2007 Hummer H3 AUTOMOBILES
General Motors Corp./Saturn Trucks -> Check Engine Oil Level ->
Vehicle: 2007 Hummer H3 X 3.7 L5 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 2007 Hummer H3 AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2007 Hummer H3 3.7 L5 GAS
Inlet
- Drain cooling system into a suitable container.
- Release clamp on heater inlet hose at heater core.
- Remove hose from heater core.
- Remove heater inlet hose from mounting clip.
- Release clamp on heater inlet hose at engine.
- Remove hose from engine.
- Remove hose from vehicl...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2007 Hummer H3 AUTOMOBILES
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 2007 Hummer H3 AUTOMOBILES
Component location diagrams for most 2007 Hummer H3 cars and light trucks sold in the U.S. from 1990+.
 Underbody Components Diagram for 2007 Hummer H3 3.7 L5 GASComponents on diagram: |
 Instrument Panel Diagram for 2007 Hummer H3 X 3.7 L5 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2007 Hummer H3 AUTOMOBILES
OEM drawn wiring diagrams for most 2007 Hummer H3 cars and light trucks sold in the U.S.
 2007 Hummer H3 3.7 L5 GAS Wiring DiagramComponents on diagram: |
 2007 Hummer H3 3.7 L5 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2007 Hummer H3 AUTOMOBILES
OEM TSB listings for most 2007 Hummer H3 cars and light trucks sold in the U.S. from 1985+.
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Document: Engine Rattle Noise after R And R of the Crankshaft Balancer -Inspect Bolt Torque Vehicle: 2007 Hummer H3 3.7 L5 GAS Symptoms: |
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Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2007 Hummer H3 3.7 L5 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2007 Hummer H3 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2007 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 2007 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 2007 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 2007 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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