2008 Pontiac Grand Prix GXPFACTORY 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 (Engine Controls And Fuel - 3.8L - Introduction (2 Of 2)) Section 2 (Engine Mechanical - 3.8L) Section 3 (Engine Controls And Fuel - 3.8L - Troubleshooting & Diagnosis) Section 4 (Engine Controls And Fuel - 3.8L - DTC P0016 To DTC P0350) Section 5 (Engine Controls And Fuel - 3.8L - DTC P0385 To DTC P2108) Section 6 (Engine Controls And Fuel - 3.8L - DTC P2119 To DTC P2444) Section 7 (EGR Function Testing - General Motors Cars) Different car Section 1 (Cautions And Notices) Section 2 (Floor Coverings And HEADLININGS) Section 3 (Warnings And Cautions) Section 4 (Seat Hardware, Trim, And Upholstery) Section 5 (Instrument Panel And Console Trim) Section 6 (Interior Trim And Paneling) Section 7 (Tires And Wheels) Section 8 (Lighting) Section 9 (Exterior Trim) Section 10 (Bolted Exterior Body Panels And Closures) Section 11 (Luggage Rack And Roof Trim) Section 12 (Wipers And Washers) Section 13 (Supplemental Inflatable Restraints) Section 14 (Steering Wheel And Column) Section 15 (Displays And Gages) Section 16 (Cellular, Entertainment, And Navigation) Section 17 (HVAC - Automatic) Section 18 (Transfer Case - BW 4484) Section 19 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (2 Of 2)) Section 20 (Vehicle Access) Section 21 (Seat Belts) Section 22 (Fixed And MOVEABLE Windows) Section 23 (Bumpers And Fascias) Section 24 (Battery, Charging System And Starting System) Section 25 (Frame And Underbody) Section 26 (General Information) Section 27 (Mirrors) Section 28 (Front Drive Axle) Section 29 (Engine Controls And Fuel - 6.0L - Introduction (2 Of 2)) Section 30 (Vehicle Diagnostic Information) Section 31 (Wiring Systems And Power Management) Section 32 (Programming And Setup) Section 33 (Seat Heating And Cooling) Section 34 (Horns) Section 35 (Data Communications) Section 36 (Theft Deterrent) Section 37 (Remote Functions) Section 38 (Park Brake) Section 39 (Heating, Ventilation, And Air Conditioning) Section 40 (Antilock Brake System With TCS) Section 41 (Hydraulic Brakes) Section 42 (Disc Brakes) Section 43 (Front Suspension) Section 44 (Rear Drive Axle) Section 45 (Suspension General Diagnosis) Section 46 (Power Steering) Section 47 (Wheel Drive Shafts) Section 48 (Air Suspension) Section 49 (Power Seats) Section 50 (Immobilizer) Section 51 (Engine Controls And Fuel - 6.0L - Troubleshooting) Section 52 (Secondary And Configurable Customer Controls) Section 53 (Engine Controls And Fuel - 6.0L - DTC P0030 To DTC P0140) Section 54 (Engine Controls And Fuel - 6.0L - DTC P0141 To DTC P0454) Section 55 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - DTC P0218 To DTC P2771) Section 56 (Engine Controls And Fuel - 6.0L - DTC P0455 To DTC U0107) Section 57 (Cruise Control) Section 58 (Engine Cooling) Section 59 (Vibration Symptoms Diagnosis And Correction) Section 60 (Propeller Shaft) Section 61 (Engine Exhaust) Section 62 (Engine Mechanical) Section 63 (Sunroof) Section 64 (Object Detection) Section 65 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Service, Diagnosis & Troubleshooting) Section 66 (Shift Lock Control) Section 67 (Maintenance And Lubrication) Section 68 (Rear Suspension) Section 69 (Engine Controls And Fuel - 6.0L - Introduction (1 Of 2)) Section 70 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (1 Of 2)) Section 71 (Power Outlets) Section 72 (Steering Linkage) Section 73 (Wheel Alignment) Section 74 (Floor Coverings & Headliners) Section 75 (Seat Hardware, Seat Trim, And Upholstery) Section 76 (Instrument Panel Trim And Console Trim) Section 77 (Interior Trim & Paneling) Section 78 (Supplemental Inflatable Restraint System) Section 79 (Sunroof System) Section 80 (Exterior Trim) Section 81 (Fixed & MOVEABLE Window Systems) Section 82 (Warnings & Cautions) Section 83 (Bumper System & Fascia) Section 84 (General Information) Section 85 (Frame & Underbody) Section 86 (Wiring Systems & Power Management - Introduction) Section 87 (Battery, Charging System And Starting System) Section 88 (Steering Wheel & Steering Column) Section 89 (Instrument Panel System Displays And Gauges) Section 90 (HVAC System - Manual) Section 91 (Accessory Power Socket) Section 92 (Anti-Lock Brake System, Traction Control System & Stability Control System) Section 93 (Bolted Exterior Body Panels & Closures) Section 94 (Lighting Systems) Section 95 (Engine Controls & Fuel - 3.8L - Introduction (2 Of 2)) Section 96 (Cellular System, Entertainment System, And Navigation System) Section 97 (Mirror System) Section 98 (Door Lock Systems & Door Handles) Section 99 (Wiper System & Washer System) Section 100 (Water Leaks) Section 101 (Horn System) Section 102 (Engine Mechanical - 3.8L) Section 103 (Engine Mechanical - 5.3L) Section 104 (Tires & Wheels) Section 105 (Power Steering System) Section 106 (Front Suspension System) Section 107 (Automatic Transaxle - 4T65-E - Introduction (2 Of 2)) Section 108 (Wheel Alignment System) Section 109 (Vehicle Diagnostic Information) Section 110 (Wiring Systems & Power Management - Troubleshooting And Diagnosis) Section 111 (Programming And Setup - All Systems) Section 112 (Keyless Entry System And Remote Functions) Section 113 (Wiring Systems & Power Management - Component Locator And Power, Ground And Splice Pack Connector End Views) Section 114 (Hydraulic Brake System) Section 115 (Secondary And Configurable Customer Controls) Section 116 (Rear Suspension System) Section 117 (Engine Controls & Fuel - 3.8L - Diagnosis & Troubleshooting) Section 118 (Engine Controls & Fuel - 5.3L - Diagnosis & Troubleshooting) Section 119 (Variable Effort Steering System) Section 120 (Disc Brake System) Section 121 (Parking Brake System) Section 122 (Suspension General Diagnosis) Section 123 (Wheel Drive Shafts) Section 124 (Maintenance & Lubrication) Section 125 (HVAC System - Automatic) Section 126 (Heating, Ventilation, And Air Conditioning) Section 127 (Data Communication System) Section 128 (Engine Controls & Fuel - 5.3L - Introduction (2 Of 2)) Section 129 (Immobilizer System) Section 130 (Wiring Systems & Power Management - DTC B1370 To B2535) Section 131 (Seat Heating System And Seat Cooling System) Section 132 (Tire Pressure Monitoring System) Section 133 (Engine Controls & Fuel - 3.8L - DTC P0016 To P0340) Section 134 (Engine Controls & Fuel - 5.3L - DTC P0016 To P0442) Section 135 (Automatic Transaxle - 4T65-E - DTC P0218 To DTC P0748) Section 136 (Engine Controls & Fuel - 3.8L - DTC P0341 To P0507) Section 137 (Engine Controls & Fuel - 5.3L - DTC P0443 To P3449) Section 138 (Engine Cooling System) Section 139 (Cruise Control System) Section 140 (Engine Controls & Fuel - 3.8L - DTC P0601 To U0107) Section 141 (Automatic Transaxle - 4T65-E - DTC P0751 To DTC P0977) Section 142 (Automatic Transaxle - 4T65-E - DTC P1750 To DTC P2764) Section 143 (Vibration Symptoms Diagnosis And Correction) Section 144 (Engine Exhaust System) Section 145 (Seat Belt System) Section 146 (Theft Deterrent System) Section 147 (Power Seat System) Section 148 (Shift Interlock System) Section 149 (Automatic Transaxle - 4T65-E - Service, Diagnosis & Troubleshooting) Section 150 (Wiring Systems & Power Management - Diagnostic Starting Point And In-Line Harness Connector End Views) Section 151 (Engine Controls & Fuel - 3.8L - Introduction (1 Of 2)) Section 152 (Engine Controls & Fuel - 5.3L - Introduction (1 Of 2)) Section 153 (Automatic Transaxle - 4T65-E - Introduction (1 Of 2)) Section 154 (Exterior Trim) Section

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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.