External Pages These are pages that do not belong to the exact selected vehicle (2004 GMC Sierra 2500 HD, 2D Pickup, 6.6 2, 4WD, Standard), but are still accessible from a link in your vehicle's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle.
Expand All (for easy ctrl-f) Collapse All Different variant/trim Section 1 (Manual Transmission -- NV 3500) Section 2 (Manual Transmission -- NV 4500) Section 3 (Automatic Transmission - ALLISON, Diagnosis (DTC P0218 To DTC P0735)) Section 4 (Automatic Transmission - 4L60-E/4L65-E Diagnosis (P0218 To P0785)) Section 5 (Automatic Transmission - 4L80-E/4L85-E, Diagnosis (P0218 To P2771)) Section 6 (Engine Controls - 4.3L (Diagnostic Information & Procedure)) Section 7 (Engine Controls - 4.8L, 5.3L, & 6.0L (Diagnostic Information & Procedures)) Section 8 (Engine Controls - 6.6L (Lb7) (Diagnostic Information & Procedures)) Section 9 (Engine Controls - 8.1L (Diagnostic Information & Procedures)) Section 10 (Engine Controls - 4.8L, 5.3L, & 6.0L (Introduction)) Section 11 (Engine Controls - 8.1L (Introduction)) Section 12 (Engine Controls - 6.6L (Lb7) (Introduction)) Section 13 (Engine Controls - 4.3L (Introduction)) Section 14 (Engine Controls Diagnosis - 6.6L (Lb7) (DTCS P0016 To P0236)) Section 15 (Transfer Case - NVG 246-NP8) Section 16 (Transfer Case - NVG 263-NP1) Section 17 (Automatic Transmission - ALLISON (Introduction, Service & Replacement)) Section 18 (Automatic Transmission - ALLISON (Diagnostic Information And Procedures)) Section 19 (Automatic Transmission - 4L80-E/4L85-E (Introduction, Service & Replacement)) Section 20 (Heating, Ventilation And Air Conditioning - Gas) Section 21 (Engine Controls Diagnosis - 4.3L (DTCS P0641-P1381)) Section 22 (Engine Controls Diagnosis - 4.8L, 5.3L, & 6.0L (DTCS P0449 To P2108)) Section 23 (Engine Controls Diagnosis - 8.1L (DTC P0641 To P1111)) Section 24 (Engine Mechanical - 4.3L) Section 25 (Engine Mechanical - 4.8L, 5.3L & 6.0L (Repair Instructions - 1 Of 3)) Section 26 (Engine Mechanical - 8.1L) Section 27 (Engine Controls Diagnosis - 6.6L (Lb7) (DTCS P0612 To P2141)) Section 28 (Engine Mechanical - 6.6L (Lb7) (Repair Instructions 1 Of 4)) Section 29 (Engine Controls - 4.3L (Troubleshooting & Diagnosis)) Section 30 (Engine Controls - 4.8L, 5.3L, & 6.0L (Troubleshooting & Diagnosis)) Section 31 (Engine Controls - 6.6L (Lb7) (Troubleshooting & Diagnosis) Section 32 (Transfer Case - NVG 261-NP2) Section 33 (Automatic Transmission - 4L60-E/4L65-E (Troubleshooting)) Section 34 (Automatic Transmission - 4L80-E/4L85-E (Troubleshooting)) Section 35 (Maintenance And Lubrication - Gas) Section 36 (Transfer Case - NVG 149-NP3) Section 37 (Automatic Transmission - 4L60-E/4L65-E (Introduction, Service & Replacement)) Section 38 (Shift Lock Control System) Section 39 (Engine Mechanical - 4.8L, 5.3L & 6.0L (Introduction)) Section 40 (Engine Mechanical - 6.6L (Lb7) (Introduction)) Section 41 (Automatic Transmission - 4L60-E/4L65-E (Diagnostic Information And Procedures)) Section 42 (Automatic Transmission - 4L80-E/4L85-E (Diagnostic Information And Procedures)) Section 43 (Automatic Transmission - ALLISON (Troubleshooting)) Section 44 (Engine Mechanical - 4.8L, 5.3L & 6.0L (Repair Instructions - 3 Of 3)) Section 45 (Engine Mechanical - 4.8L, 5.3L & 6.0L (Repair Instructions - 2 Of 3)) Section 46 (Engine Mechanical - 6.6L (Lb7) (Repair Instructions 3 Of 4)) Section 47 (Engine Mechanical - 6.6L (Lb7) (Repair Instructions 2 Of 4)) Section 48 (Engine Mechanical - 6.6L (Lb7) (Repair Instructions 4 Of 4)) Section 49 (Engine Controls - 8.1L (Troubleshooting & Diagnosis)) Section 50 (Engine Controls Diagnosis - 4.3L (DTCS P0016-P0158)) Section 51 (Engine Controls Diagnosis - 4.8L, 5.3L, & 6.0L (DTCS P0068 To P0160)) Section 52 (Engine Controls Diagnosis - 8.1L (DTC P0068 To P0174)) Section 53 (Engine Controls Diagnosis - 4.3L (DTCS P0140-P2610)) Section 54 (Automatic Transmission - 4L60-E/4L65-E Diagnosis (P0894-P2797)) Section 55 (Engine Controls Diagnosis - 4.8L, 5.3L, & 6.0L (DTCS P0141 To P0446)) Section 56 (Engine Controls Diagnosis - 4.8L, 5.3L, & 6.0L (DTCS P2120 To U0107)) Section 57 (Engine Controls Diagnosis - 6.6L (Lb7) (DTCS P0237 To P0611)) Section 58 (Engine Controls Diagnosis - 6.6L (Lb7) (DTCS P2142 To P2279)) Section 59 (Automatic Transmission - ALLISON, Diagnosis (DTC P0736 To DTC P0872)) Section 60 (Engine Controls Diagnosis - 8.1L (DTC P0175 To P2610)) Section 61 (Automatic Transmission - ALLISON, Diagnosis (DTC P0873 To DTC P2810)) Section 62 (Engine Controls - 6.0L - Alternative Fuels (Introduction)) Section 63 (Engine Controls - 6.0L - Alternative Fuels (Diagnostic Information & Procedures)) Section 64 (Engine Controls Diagnosis - 6.0L - Alternative Fuels (DTC P0005-DTC P2665)) Section 65 (Engine Controls - 6.0L - Alternative Fuels (Troubleshooting)) Different car Section 1 (Drive Axles) Section 2 (Engine Controls Self-Diagnostics - 5.7L Corvette) Section 3 (Automatic Transmission Servicing) Section 4 (Engine Controls - Service & Adjustment Specifications) Section 5 (Engine Controls - Service & Adjustment Specifications) Section 6 (Automatic Transaxle Servicing) Section 7 (Electrical Component Locator) Section 8 (System Wiring Diagrams) Section 9 (System Wiring Diagrams) Section 10 (System Wiring Diagrams) Section 11 (Engine Controls - Removal & Installation, Overhaul) Section 12 (Engine Controls - Removal & Installation) Section 13 (Engine Controls Self-Diagnostics) Section 14 (Vacuum Diagrams) Section 15 (Vacuum Diagrams) Section 16 (Engine Controls - Self-Diagnostics) Section 17 (Engine Controls - System & Component Testing) Section 18 (Engine Controls - Basic Diagnostic Procedures) Section 19 (Engine Controls - Basic Diagnostic Procedures) Section 20 (Engine Controls - System & Component Testing) Section 21 (Computer Relearn Procedures) Section 22 (Engine Controls - Troubleshooting - No Codes) Section 23 (Engine Controls - Trouble Shooting - No Codes) Section 24 (Engine Control System - Sensor Range Charts) Section 25 (Supplemental Inflatable Restraint System) Section 26 (Common Specs & Procedures) Section 27 (Common Specs & Procedures) Section 28 (Wheel Alignment Specifications) Section 29 (Wheel Alignment Specifications) Section 30 (Electrical Component Locator) Section 31 (System Wiring Diagrams) Section 32 (Disc Brakes) Section 33 (Vibration - Drivetrain) Section 34 (Cooling System Specifications & Drive Belt Routing) Section 35 (Axle Shafts) Section 36 (Charging System) Section 37 (Starting System) Section 38 (Rear Suspension System) Section 39 (Suspension System General Diagnosis) Section 40 (Testing Wiring Systems For Intermittent & Poor Connections) Section 41 (Vibration Symptoms Diagnosis And Correction) Section 42 (Heating, Ventilation And Air Conditioning) Section 43 (HVAC Systems - Manual) Section 44 (HVAC Systems - Automatic) Section 45 (Power Steering System) Section 46 (Steering Wheel And Steering Column) Section 47 (Variable Effort Steering System) Section 48 (Wheel Alignment Specifications & Adjustment Procedures) Section 49 (Front Suspension System) Section 50 (Tires And Wheels) Section 51 (Tire Pressure Monitoring System) Section 52 (Suspension Control System - Suspension Damping) Section 53 (Drive Shaft) Section 54 (Antilock Brake System) Section 55 (Engine Mechanical - 5.7L) Section 56 (Engine Cooling System) Section 57 (Battery) Section 58 (Engine Exhaust System) Section 59 (Manual Transmission - Mm6/M12) Section 60 (Shift Interlock System) Section 61 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) Section 62 (Manual Transmission Clutches) Section 63 (Data Link Communication System) Section 64 (Lighting Systems) Section 65 (Wiper System And Washer System) Section 66 (Entertainment System) Section 67 (Personalization Systems) Section 68 (Body Control System) Section 69 (Instrument Panel, Gages, And Console) Section 70 (Keyless Entry System) Section 71 (Horn System) Section 72 (Theft Deterrent System) Section 73 (Cruise Control System) Section 74 (Stationary Window System) Section 75 (Bumper System) Section 76 (Body Front End) Section 77 (Door System, Mirror System & Window System) Section 78 (Folding Top System) Section 79 (Seat System) Section 80 (Interior Trim) Section 81 (Body Rear End) Section 82 (Seat Belt System) Section 83 (Jacking And Lifting) Section 84 (Cautions And Notices - Transmission/Transfer Case) Section 85 (Cruise Control System) Section 86 (Data Link Communication System) Section 87 (Body Control System) Section 88 (Battery, Charging System & Starting System) Section 89 (Antilock Brake System, Traction Control System & Stability Control System) Section 90 (Manual Transmission -- TREMEC 6-Speed) Section 91 (Automatic Transmission, 4L60-E/4L65-E Diagnosis (DTC P0218 To DTC P2761)) Section 92 (Engine Controls Diagnostic (Information & Procedures) -- 5.7L) Section 93 (Wiring Systems - Specifications, Component Views And Connector End Views) Section 94 (Engine Controls (Introduction) -- 5.7L) Section 95 (Steering Wheel And Steering Column) Section 96 (Lighting Systems) Section 97 (Manual Transmission Clutch System) Section 98 (Cautions And Notices) Section 99 (Instrument Panel System Displays, Gauges And Console) Section 100 (Entertainment System) Section 101 (Interior Trim) Section 102 (Door System, Mirror System & Window System) Section 103 (Keyless Entry System) Section 104 (Personalization Systems) Section 105 (Horn System) Section 106 (Body Rear End) Section 107 (Tire Pressure Monitoring System) Section 108 (Seat System) Section 109 (Theft Deterrent System) Section 110 (HVAC Systems - Automatic) Section 111 (Suspension Control System - Suspension Damping) Section 112 (Supplemental Inflatable Restraint System) Section 113 (Body Front End) Section 114 (General Information) Section 115 (Tires And Wheels) Section 116 (Bumper System) Section 117 (Wiper System & Washer System) Section 118 (Folding Roof System) Section 119 (Stationary Window System) Section 120 (Engine Mechanical (Repair Instructions 1 Of 3) - 5.7L) Section 121 (Engine Controls Diagnostic (DTC P0491 To DTC P2130) -- 5.7L) Section 122 (Engine Controls (Troubleshooting & Diagnosis) -- 5.7L) Section 123 (Hydraulic Brake System) Section 124 (Seat Belt System) Section 125 (Maintenance And Lubrication) Section 126 (Automatic Transmission - 4L60-E/4L65-E (Introduction, Service & Replacement)) Section 127 (Shift Interlock System) Section 128 (Engine Cooling System -- 5.7L) Section 129 (Heating, Ventilation And Air Conditioning) Section 130 (Water Leaks) Section 131 (Electronic Steering System - Variable Effort Steering) Section 132 (Disc Brake System) Section 133 (Parking Brake System) Section 134 (Suspension System General Diagnosis) Section 135 (Power Steering System) Section 136 (Wheel Drive Shafts) Section 137 (Engine Mechanical (Introduction) - 5.7L) Section 138 (Rear Suspension System) Section 139 (Engine Exhaust System - 5.7L) Section 140 (Front Suspension System) Section 141 (Wheel Alignment Specifications & Adjustment Procedures) Section 142 (Service Programming System) Section 143 (Propeller Shaft) Section 144 (Vibration Symptoms Diagnosis And Correction) Section 145 (Rear Drive Axle) Section 146 (Automatic Transmission, 4L60-E/4L65-E (Troubleshooting)) Section 147 (Automatic Transmission, 4L60-E/4L65-E (Diagnostic Information & Procedures)) Section 148 (Engine Mechanical (Repair Instructions 3 Of 3) - 5.7L) Section 149 (Engine Mechanical (Repair Instructions 2 Of 3) - 5.7L) Section 150 (Engine Controls Diagnostic (DTC P0068 To DTC P0174) -- 5.7L) Section 151 (Engine Controls Diagnostic (DTC P0172 To DTC P0455) -- 5.7L) Section 152 (Engine Controls Diagnostic (DTC P2131 To DTC U0107) -- 5.7L) Section 153 (Wiring Systems (General Information)) Section 154 (Tire Pressure Monitor Systems)