Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Chevrolet Traverse LS, 4WDFACTORY OEM SERVICE PROCEDURE
External Pages
These are pages that do not belong to the exact selected vehicle (2021 Chevrolet Traverse High Country, 4WD), 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 car
- Section 1 (Engine Heating And Cooling System - Specifications)
- Section 2 (Engine Heating And Cooling System - Repair Instructions)
- Section 3 (Dangers, Warnings, And Cautions)
- Section 4 (General Information)
- Section 5 (Automatic Transmission - 8L45 (M5N) - Description And Operation)
- Section 6 (Automatic Transmission - 10L60 (MQA) - Description And Operation)
- Section 7 (Engine Mechanical - 2.0L (LSY) - Visual Identification)
- Section 8 (Engine Mechanical - 2.7L (L3B) - Visual Identification)
- Section 9 (Maintenance And Lubrication)
- Section 10 (Automatic Transmission - 10L60 (MQA) - Specifications)
- Section 11 (Automatic Transmission - 8L45 (M5N) - Specifications)
- Section 12 (Engine Controls And Fuel - 2.0L (LSY) - Specifications)
- Section 13 (Engine Controls And Fuel - 2.7L (L3B) - Specifications)
- Section 14 (Engine Mechanical - 2.0L (LSY) - Specifications)
- Section 15 (Engine Mechanical - 2.7L (L3B) - Specifications)
- Section 16 (Front Drive Axle)
- Section 17 (Hydraulic Brakes)
- Section 18 (Heating, Ventilation, And Air Conditioning System)
- Section 19 (Rear Drive Axle)
- Section 20 (Transfer Case - BW 4475)
- Section 21 (Disc Brakes)
- Section 22 (Exhaust System)
- Section 23 (Front Suspension)
- Section 24 (Floor Coverings And HEADLININGS)
- Section 25 (Mirrors)
- Section 26 (Propeller Shaft)
- Section 27 (Rear Suspension)
- Section 28 (Steering Wheel And Column)
- Section 29 (Tires And Wheels)
- Section 30 (Wheel Drive Shafts)
- Section 31 (Tire Pressure Monitoring System)
- Section 32 (Engine Controls And Fuel - 2.0L (LSY) - Repair Instructions)
- Section 33 (Automatic Transmission - 8L45 (M5N) - Diagnostic Information And Procedures)
- Section 34 (Vibration Diagnosis And Correction)
- Section 35 (Vehicle Diagnostic Information And Procedures)
- Section 36 (Suspension General Diagnosis)
- Section 37 (Exterior Trim)
- Section 38 (Bumpers And Fascias)
- Section 39 (Frame And Underbody)
- Section 40 (Wiring Systems And Power Management - Special Tools And Equipment)
- Section 41 (Wire And Connector Repair)
- Section 42 (Seat Hardware, Trim, And Upholstery)
- Section 43 (Instrument Panel And Console Trim)
- Section 44 (Supplemental Restraints System)
- Section 45 (Fixed And MOVEABLE Windows)
- Section 46 (Interior Trim And Paneling)
- Section 47 (Cellular, Entertainment, And Navigation System)
- Section 48 (Data Communications - Fastener Specifications)
- Section 49 (Wiper System And Washer System)
- Section 50 (Lighting System - Specifications - Fastener Specifications)
- Section 51 (HVAC - Automatic)
- Section 52 (Displays And Gauges)
- Section 53 (Programming And Setup)
- Section 54 (Electrical Center Identification Views)
- Section 55 (Antilock Brake System)
- Section 56 (Wiring Systems And Power Management - Fastener Specifications)
- Section 57 (12 V Starting And Charging System - Repair Instructions)
- Section 58 (Power Outlets)
- Section 59 (Master Electrical Component List)
- Section 60 (Wiring Systems And Power Management - Diagnostic Information And Procedures)
- Section 61 (Seat Belts)
- Section 62 (Bolted Exterior Body Panels And Closures)
- Section 63 (Lighting System - Repair Instructions)
- Section 64 (Vehicle Access System)
- Section 65 (Image Display Cameras)
- Section 66 (12 V Starting And Charging System - Fastener Specifications)
- Section 67 (Horns And Pedestrian Alerts)
- Section 68 (Driver Assistance Systems)
- Section 69 (Engine Mechanical - 2.0L (LSY) - Repair Instructions (1 Of 2))
- Section 70 (Engine Mechanical - 2.7L (L3B) - Repair Instructions)
- Section 71 (Power Steering System)
- Section 72 (Wheel Alignment)
- Section 73 (Wiring Systems And Power Management - Repair Instructions)
- Section 74 (Theft Deterrent System)
- Section 75 (Remote Functions)
- Section 76 (Lighting System - Schematic Wiring Diagrams)
- Section 77 (Lighting System - Diagnostic Information And Procedures)
- Section 78 (Lighting System - Description And Operation)
- Section 79 (Cruise Control System)
- Section 80 (Wiring Systems And Power Management - Schematic Wiring Diagrams)
- Section 81 (Data Communications - Schematic Wiring Diagrams)
- Section 82 (Data Communications - Diagnostic Information And Procedures (2 Of 2))
- Section 83 (Component Connector End Views (A3L-B61P))
- Section 84 (Component Connector End Views (B63LF-E8VC))
- Section 85 (Component Connector End Views (E8VD-K9 (X6)))
- Section 86 (Component Connector End Views (K9 (X7)-K20 (X2)))
- Section 87 (Component Connector End Views (K20 (X3)-K104D))
- Section 88 (Component Connector End Views (K104P-M74LR))
- Section 89 (Component Connector End Views (M74P-Q44))
- Section 90 (Component Connector End Views (Q44-S82))
- Section 91 (Component Connector End Views (S86-X85 (X2)))
- Section 92 (Park Brake)
- Section 93 (12 V Starting And Charging System - Diagnostic Information And Procedures)
- Section 94 (Data Communications - Data Link Communications Description And Operation)
- Section 95 (Vehicle Diagnostic Scan Tool Information (1 Of 2))
- Section 96 (Data Communications - Repair Instructions)
- Section 97 (Suspension Controls)
- Section 98 (Vehicle Diagnostic Scan Tool Information (2 Of 2))
- Section 99 (Engine Controls And Fuel - 2.0L (LSY) - Schematic Wiring Diagrams)
- Section 100 (Engine Controls And Fuel - 2.7L (L3B) - Schematic Wiring Diagrams)
- Section 101 (Engine Controls And Fuel - 2.7L (L3B) - Repair Instructions)
- Section 102 (Seat Heating And Cooling System)
- Section 103 (Power Seats)
- Section 104 (Sunroof)
- Section 105 (Automatic Transmission - 10L60 (MQA) - Schematic Wiring Diagrams)
- Section 106 (Automatic Transmission - 8L45 (M5N) - Schematic Wiring Diagrams)
- Section 107 (Automatic Transmission - 10L60 (MQA) - Repair Instructions - On Vehicle)
- Section 108 (Automatic Transmission - 8L45 (M5N) - Repair Instructions - On Vehicle)
- Section 109 (Parking Assistance Systems)
- Section 110 (Electronic Transmission Range Select)
- Section 111 (Immobilizer System)
- Section 112 (Electrical Component Locator And Wiring Harness Routing Views)
- Section 113 (Data Communications - Diagnostic Information And Procedures (1 Of 2))
- Section 114 (Secondary And Configurable Customer Controls)
- Section 115 (Shift Lock Control)
- Section 116 (Engine Mechanical - 2.0L (LSY) - Diagnostic Information And Procedures)
- Section 117 (Automatic Transmission - 10L60 (MQA) - Diagnostic Information And Procedures)
- Section 118 (Engine Controls And Fuel - 2.0L (LSY) - Diagnostic Information And Procedures (1 Of 2))
- Section 119 (Engine Controls And Fuel - 2.7L (L3B) - Diagnostic Information And Procedures (1 Of 2))
- Section 120 (Engine Heating And Cooling System - Diagnostic Information And Procedures)
- Section 121 (Engine Controls And Fuel - 2.7L (L3B) - Diagnostic Information And Procedures (2 Of 2))
- Section 122 (Engine Controls And Fuel - 2.0L (LSY) - Diagnostic Information And Procedures (2 Of 2))
- Section 123 (Engine Mechanical - 2.7L (L3B) - Diagnostic Information And Procedures)
- Section 124 (Vehicle Diagnostic Information - Proactive Alerts Description And Operation)
- Section 125 (Engine Controls And Fuel - 2.0L (LSY) - Special Tools And Equipment)
- Section 126 (Engine Mechanical - 2.0L (LSY) - Repair Instructions (2 Of 2))
- Section 127 (12 V Starting And Charging System - Schematic Wiring Diagrams)
- Section 128 (12 V Starting And Charging System - Description And Operation)
- Section 129 (12 V Starting And Charging System - Special Tools And Equipment)
- Section 130 (Wiring Systems And Power Management - Description And Operation)
- Section 131 (Engine Controls And Fuel - 2.0L (LSY) - Description And Operation)
- Section 132 (Engine Heating And Cooling System - Description And Operation)
- Section 133 (Engine Heating And Cooling System - Schematic Wiring Diagrams)
- Section 134 (Engine Mechanical - 2.0L (LSY) - Special Tools And Equipment)
- Section 135 (Engine Mechanical - 2.0L (LSY) - Description And Operation)
- Section 136 (Engine Controls And Fuel - 2.7L (L3B) - Description And Operation)
- Section 137 (Engine Controls And Fuel - 2.7L (L3B) - Special Tools And Equipment)
- Section 138 (Engine Mechanical - 2.7L (L3B) - Description And Operation)
- Section 139 (Engine Mechanical - 2.7L (L3B) - Special Tools And Equipment)
- Section 140 (Engine Heating And Cooling System - Special Tools And Equipment)
- Section 141 (Transmission Cooling System)
- Section 142 (Engine Mechanical - 2.0L (LSY) - Schematic Wiring Diagrams)
- Section 143 (Automatic Transmission - 8L45 (M5N) - Special Tools And Equipment)
- Section 144 (Engine Mechanical - 2.7L (L3B) - Schematic Wiring Diagrams)
- Section 145 (Inline Harness Connector End Views (X100-X177))
- Section 146 (Inline Harness Connector End Views (X200-X239))
- Section 147 (Inline Harness Connector End Views (X300-X407))
- Section 148 (Inline Harness Connector End Views (X500-X805))
- Section 149 (Automatic Transmission - 10L60 (MQA) - Repair Instructions - Off Vehicle)
- Section 150 (Automatic Transmission - 10L60 (MQA) - Component Locator)
- Section 151 (Automatic Transmission - 10L60 (MQA) - Special Tools And Equipment)
- Section 152 (Automatic Transmission - 8L45 (M5N) - Repair Instructions - Off Vehicle)
- Section 153 (Automatic Transmission - 8L45 (M5N) - Component Locator)
- Section 154 (Component Connector End Views - Index)
- Section 155 (Inline Harness Connector End Views - Index)
- Section 156 (Component Connector End Views (A3L-B5LF))
- Section 157 (Component Connector End Views (B5LR-B280))
- Section 158 (Component Connector End Views (B306A-F106D))
- Section 159 (Component Connector End Views (F106P-K20 (X2)))
- Section 160 (Component Connector End Views (K20 (X3) - K39 (X2)))
- Section 161 (Component Connector End Views (K39-K108))
- Section 162 (Component Connector End Views (K111-P16 (X3)))
- Section 163 (Component Connector End Views (P17-S38))
- Section 164 (Component Connector End Views (S45B-T8B))
- Section 165 (Component Connector End Views (T8C-X92C))
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.