External Pages
These are pages that do not belong to the exact selected vehicle (2001 GMC Cab & Chassis Sierra 2D Pickup Extra Cab, 6.0 U, 4WD, Automatic), 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.
- Different variant/trim
- Section 1 (Manual Transmission - ZF S6-650 - Unit Repair Overhaul)
- Section 2 (Engine Mechanical - 8.1L - Service, Repair And Diagnostics)
- Section 3 (Automatic Transmission - ALLISON - Repair Instructions - On Vehicle)
- Section 4 (Manual Transmission - NV 4500 - Service, Repair And Diagnostics)
- Section 5 (Engine Controls - 8.1L - Repair Instructions)
- Section 6 (Engine Mechanical - 6.6L - Service, Repair And Diagnostics)
- Section 7 (Manual Transmission - ZF S6-650 - Service, Repair And Diagnostics)
- Section 8 (Engine Controls - 6.6L - Diagnostic Information And Procedures And DTC P0087 To DTC P0543)
- Section 9 (Engine Controls - 8.1L - Diagnostic Information And Procedures And DTC P0101 To DTC P0449)
- Section 10 (Manual Transmission Clutch System)
- Section 11 (Automatic Transmission - ALLISON - Diagnostic Information And Procedures)
- Section 12 (Transfer Case - NVG 261-NP2 (Two Speed Manual) - Service, Repair And Diagnostics)
- Section 13 (Transfer Case - NVG 263-NP1 (SELECTABLE) - Service, Repair And Diagnostics)
- Section 14 (Engine Mechanical - 8.1L - Unit Repair Overhaul)
- Section 15 (Engine Mechanical - 6.6L - Unit Repair Overhaul)
- Section 16 (Engine Controls - 6.6L - Special Tools And Equipment - Special Tools)
- Section 17 (Transfer Case - NVG 263-NP1 (SELECTABLE) - Unit Repair Overhaul)
- Section 18 (Engine Controls - 6.6L - Repair Instructions)
- Section 19 (Automatic Transmission - ALLISON - Special Tools And Equipment - Special Tools)
- Section 20 (Automatic Transmission - ALLISON - Unit Repair Overhaul)
- Section 21 (Manual Transmission - NV 4500 - Unit Repair Overhaul)
- Section 22 (Engine Controls - 6.6L - DTC P0601 To DTC U2106 And Diagnosis And Trouble Shooting)
- Section 23 (Engine Controls - 8.1L - DTC P0452 To DTC P1781 And Diagnosis And Trouble Shooting)
- Section 24 (Engine Controls - 8.1L - Special Tools And Equipment)
- Section 25 (Engine Controls - 6.6L - Specifications)
- Section 26 (Engine Controls - 6.6L - Schematic And Routing Diagrams)
- Section 27 (Engine Controls - 6.6L - Component Locator)
- Section 28 (Engine Controls - 6.6L - Description And Operation)
- Section 29 (Engine Controls - 8.1L - Specifications)
- Section 30 (Engine Controls - 8.1L - Schematic And Routing Diagrams)
- Section 31 (Engine Controls - 8.1L - Component Locator)
- Section 32 (Engine Controls - 8.1L - Description And Operation)
- Section 33 (Automatic Transmission - ALLISON - Schematic And Routing Diagrams)
- Section 34 (Automatic Transmission - ALLISON - Specifications)
- Section 35 (Automatic Transmission - ALLISON - Component Locator)
- Section 36 (Automatic Transmission - ALLISON - Description And Operation)
- Section 37 (EGR Function Testing - Diesel General Motors)
- Different car
- Section 1 (Engine Mechanical - 6.5L V8 Diesel)
- Section 2 (System Wiring Diagrams - 1500)
- Section 3 (System Wiring Diagrams - 2500)
- Section 4 (System Wiring Diagrams - 2500 Hd)
- Section 5 (System Wiring Diagrams - 3500)
- Section 6 (Automatic Transmission - 4L60-E/4L65-E - Overhaul & Testing)
- Section 7 (Wiring Systems (General Information))
- Section 8 (Engine Mechanical - 4.8L, 5.3L, & 6.0L (Unit Repair))
- Section 9 (Engine Cooling System)
- Section 10 (Engine Controls - 6.5L (L65) (Introduction))
- Section 11 (Theft Deterrent)
- Section 12 (Engine Controls - 6.5L - Diagnosis (DTC P0251 To DTC P1656)
- Section 13 (Engine Controls - 6.5L - Diagnostic Information & Procedures)
- Section 14 (Engine Controls - 6.5L - Troubleshooting)
- Section 15 (Engine Controls - 6.5L - Diagnosis (DTC P0112 To DTC P0238)
- Section 16 (Engine Mechanical - 4.3L - Service, Repair And Diagnostics)
- Section 17 (Automatic Transmission - 4L60-E - Service, Repair And Diagnostics)
- Section 18 (Manual Transmission - NV 3500 - Service, Repair And Diagnostics)
- Section 19 (Engine Controls - 4.3L - Repair Instructions)
- Section 20 (Engine Controls - 4.3L - Diagnostic Information And Procedures And DTC P0101 To DTC P0410)
- Section 21 (Automatic Transmission - 4L60-E - Unit Repair Overhaul & Hydraulic Diagrams)
- Section 22 (Engine Mechanical - 4.3L - Unit Repair Overhaul)
- Section 23 (Manual Transmission - NV 3500 - Unit Repair Overhaul)
- Section 24 (HVAC System - Automatic)
- Section 25 (Engine Controls - 4.3L - Specifications)
- Section 26 (Engine Controls - 4.3L - Schematic And Routing Diagrams)
- Section 27 (Engine Controls - 4.3L - Component Locator)
- Section 28 (Engine Controls - 4.3L - DTC P0418 To DTC P1639 And Troubleshooting And Diagnosis)
- Section 29 (Engine Controls - 4.3L - Description And Operation)
- Section 30 (Engine Controls - 4.3L - Special Tools And Equipment - Special Tools)