2008 Hummer H3 Adventure, AutomaticFACTORY OEM SERVICE PROCEDURE

External Pages

's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle. Different variant/trim Section 1 (Manual Transmission) Section 2 (Engine Controls And Fuel - 5.3L - Introduction (2 Of 2)) Section 3 (Clutch) Section 4 (Engine Controls And Fuel - 5.3L - Troubleshooting & Diagnosis) Section 5 (Engine Controls And Fuel - 5.3L - DTC P0016 To DTC P0333) Section 6 (Engine Controls And Fuel - 5.3L - DTC P0335 To DTC P2138) Section 7 (Engine Mechanical - 5.3L) Different car Section 1 (Exterior Trim) Section 2 (Cautions And Notices) Section 3 (Lighting Systems) Section 4 (Floor Coverings & Headliners) Section 5 (Seat Hardware, Seat Trim And Upholstery) Section 6 (Interior Trim And Paneling) Section 7 (Instrument Panel Trim And Console Trim) Section 8 (Bolted Exterior Body Panels And Closures) Section 9 (Heating, Ventilation, And Air Conditioning) Section 10 (Supplemental Inflatable Restraint System) Section 11 (Cellular System, Entertainment System, And Navigation System) Section 12 (HVAC System - Manual) Section 13 (Instrument Panel System Displays & Gages) Section 14 (Steering Wheel & Steering Column) Section 15 (Seat Belt System) Section 16 (Door Lock Systems & Door Handles) Section 17 (Fixed & MOVEABLE Window Systems) Section 18 (Frame And Underbody) Section 19 (Engine Control System & Fuel System - 3.7L - Introduction (2 Of 2)) Section 20 (Bumper System & Fascia) Section 21 (General Information) Section 22 (Battery, Charging System And Starting System) Section 23 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) Section 24 (Manual Transmission - AISIN Ar5) Section 25 (Tires And Wheels) Section 26 (Vehicle Diagnostic Information) Section 27 (Wiring Systems And Power Management - Service, Troubleshooting & Diagnosis) Section 28 (Wiring Systems And Power Management - Component Connector End Views) Section 29 (Wiper System & Washer System) Section 30 (Mirror Systems) Section 31 (Horn System) Section 32 (Programming And Setup - All Systems) Section 33 (Wiring Systems And Power Management - Introduction) Section 34 (Keyless Entry System & Remote Functions) Section 35 (Configurable Customer Control System) Section 36 (Engine Control System & Fuel System - 2.9L - Introduction (2 Of 2)) Section 37 (Anti-Lock Brake System, Traction Control System & Stability Control System) Section 38 (Hydraulic Brake System) Section 39 (Front Suspension System) Section 40 (Disc Brake System) Section 41 (Drum Brake System) Section 42 (Parking Brake System) Section 43 (Rear Drive Axle) Section 44 (Suspension General Diagnosis) Section 45 (Power Steering System) Section 46 (Wheel Drive Shafts) Section 47 (Engine Mechanical - 2.9L) Section 48 (Engine Mechanical - 3.7L) Section 49 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (1 Of 2)) Section 50 (Cruise Control System) Section 51 (Maintenance And Lubrication) Section 52 (Manual Transmission Clutch System) Section 53 (Data Communication System) Section 54 (Seat Heating System & Seat Cooling System) Section 55 (Theft Deterrent System) Section 56 (Transfer Case - ISUZU T150) Section 57 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (2 Of 2)) Section 58 (Immobilizer System) Section 59 (Tire Pressure Monitoring System) Section 60 (Engine Control System & Fuel System - 2.9L - Troubleshooting & Diagnosis) Section 61 (Engine Control System & Fuel System - 3.7L - Diagnosis & Troubleshooting) Section 62 (Wiring Systems And Power Management - DTC B1372 To DTC B1478) Section 63 (Shift Interlock System) Section 64 (Engine Control System & Fuel System - 2.9L - DTC P0013 To DTC P0365) Section 65 (Engine Control System & Fuel System - 3.7L - DTC P0013 To DTC P0365) Section 66 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - DTC P0218 To DTC P2771) Section 67 (Engine Control System & Fuel System - 2.9L - DTC P0366 To DTC P2444) Section 68 (Engine Control System & Fuel System - 3.7L - DTC P0366 To DTC P2440) Section 69 (Engine Control System & Fuel System - 2.9L - DTC P2544) Section 70 (Vibration Symptoms Diagnosis And Correction) Section 71 (Front Drive Axle) Section 72 (Propeller Shaft And Universal Joints) Section 73 (Engine Cooling System) Section 74 (Engine Exhaust System) Section 75 (Sunroof System) Section 76 (Power Seat System) Section 77 (Rear Suspension System) Section 78 (Wiring Systems And Power Management - Diagnostic Starting Point And Splice Pack And In-Line Harness Connector End Views) Section 79 (Engine Control System & Fuel System - 3.7L - DTC P2544) Section 80 (Component Locations - Component Views) Section 81 (Wheel Alignment System) Section 82 (Exterior Trim) Section 83 (Fixed & MOVEABLE Window Systems) Section 84 (Warnings And Cautions) Section 85 (Frame And Underbody) Section 86 (Bumper System & Fascia) Section 87 (General Information) Section 88 (Lighting Systems) Section 89 (Floor Coverings And HEADLININGS) Section 90 (Seat Hardware, Seat Trim And Upholstery) Section 91 (Automatic Transaxle - 4T45-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) Section 92 (Interior Trim And Paneling) Section 93 (Supplemental Inflatable Restraint System) Section 94 (Instrument Panel Trim And Console Trim) Section 95 (Steering Wheel & Steering Column) Section 96 (Instrument Panel System Displays & Gages) Section 97 (Heating, Ventilation, And Air Conditioning) Section 98 (Cellular System, Entertainment System, And Navigation System) Section 99 (Wiring Systems And Power Management - Introduction) Section 100 (Data Communication System) Section 101 (Battery, Charging System And Starting System) Section 102 (Engine Cooling System) Section 103 (Engine Controls And Fuel - 2.2L (L61) - Introduction (2 Of 2)) Section 104 (Hydraulic Brake System) Section 105 (Keyless Entry System & Remote Functions) Section 106 (Sunroof System) Section 107 (Bolted Exterior Body Panels And Closures) Section 108 (Door Lock Systems & Door Handles) Section 109 (Mirror Systems) Section 110 (Engine Mechanical - 3.5L) Section 111 (Engine Exhaust System) Section 112 (Tires And Wheels) Section 113 (Front Suspension System) Section 114 (Power Steering System) Section 115 (Engine Mechanical - 2.2L (L61)) Section 116 (Adjustable Pedal System) Section 117 (Vehicle Diagnostic Information) Section 118 (Wiring Systems And Power Management - Component Views & Component Connector End Views) Section 119 (Wiring Systems And Power Management - Service, Troubleshooting & Diagnosis) Section 120 (Programming And Setup - All Systems) Section 121 (Wiper System & Washer System) Section 122 (Horn System) Section 123 (Theft Deterrent System) Section 124 (Anti-Lock Brake System And Traction Control System) Section 125 (Rear Suspension System) Section 126 (Disc Brake System) Section 127 (Parking Brake System) Section 128 (Suspension General Diagnosis) Section 129 (Wheel Drive Shafts) Section 130 (Engine Controls And Fuel - 3.5L - Introduction (2 Of 2)) Section 131 (Seat Heating System & Seat Cooling System) Section 132 (HVAC System - Manual) Section 133 (HVAC System - Automatic) Section 134 (Immobilizer System) Section 135 (Automatic Transaxle - 4T45-E - Introduction (2 Of 2)) Section 136 (Tire Pressure Monitoring System) Section 137 (Engine Controls And Fuel - 3.5L - Troubleshooting & Diagnosis) Section 138 (Engine Controls And Fuel - 2.2L (L61) - Troubleshooting & Diagnosis) Section 139 (Wiring Systems And Power Management - DTC B1370 To DTC B2535) Section 140 (Shift Interlock System) Section 141 (Configur

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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