LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hummer >> 2007 >> H3 Automatic >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Specifications Index
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Specifications Index

H3 SPECIFICATIONS INDEX

System Specification/Procedure
Air Conditioning
Service REFRIGERANT SYSTEM CAPACITIES
Torque FASTENER TIGHTENING SPECIFICATIONS
Axle Nut/Hub Nut 191 Ft. Lbs. (260 N.m)
Battery BATTERY USAGE
Brakes
Bleeding Sequence RR, LR, RF, LF
Disc Brakes
Service Specifications DISC BRAKE COMPONENT SPECIFICATIONS
Torque FASTENER TIGHTENING SPECIFICATIONS
Drum Brakes NA
Charging
Generator GENERATOR USAGE
Torque FASTENER TIGHTENING SPECIFICATIONS
Drive Belts
Adjustment NA
Belt Routing See figure under DRIVE BELT REPLACEMENT (WITHOUT A/C) or DRIVE BELT REPLACEMENT (WITH A/C) .
Engine Cooling
General Service Specifications COOLING SYSTEM DESCRIPTION AND OPERATION
Radiator Cap Pressure Radiator cap pressure is stamped on cap.
Thermostat R & I ENGINE COOLANT THERMOSTAT REPLACEMENT (WITH LLR)
Water Pump R & I WATER PUMP REPLACEMENT (WITH LLR)
Engine Mechanical
Compression ENGINE COMPRESSION TEST
Oil Pressure 12 psi (85 kPa) minimum at 1,200 RPM
Overhaul ENGINE MECHANICAL SPECIFICATIONS
Torque FASTENER TIGHTENING SPECIFICATIONS
Fluid Specifications See FLUIDS under MAINTENANCE tab. From within Manager or Service Writer, click the "30/60/90 Interval" or "Maint." button.
Flywheel/Flex Plate/Drive PlateTorque
First Pass 30 Ft. Lbs. (40 N.m)
Final Pass 45 degrees
Fuel System
Pressure Specification 50-57 psi (345-395 kPa)
Fuel Pressure Test Procedure FUEL SYSTEM DIAGNOSIS
Fuel Filter Location Fuel filter is contained in fuel sender assembly inside fuel tank.
Fuel Filter R & I FUEL TANK MODULE REPLACEMENT
Ignition
Firing Order & Cylinder Identification FIRING ORDER & CYLINDER IDENTIFICATION
Ignition Wires (Resistance) NA
Ignition Wires (Routing) NA
Spark Plug
Type GM P/N 12569190
Gap 0.042 In. (1.08 mm)
Torque 13 Ft. Lbs. (18 N.m)
Starting
Starter STARTING SYSTEM DESCRIPTION AND OPERATION
Torque FASTENER TIGHTENING SPECIFICATIONS
Wheel Alignment
Adjustment Specifications WHEEL ALIGNMENT SPECIFICATIONS
Torque FASTENER TIGHTENING SPECIFICATIONS
Wheel & Tire
Wheel Lug Nut Torque 103 Ft. Lbs. (140 N.m)