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.
External Pages
2004 Nissan-Datsun Sentra SE-R Service Manual '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 Mechanical - QG18DE) Section 2 (Engine Lubrication - QG18DE) Section 3 (Engine Cooling System - QG18DE) Section 4 (Engine Control System - QG18DE) Section 5 (Clutch System - RS5F70A) Section 6 (Clutch System - RS6F51H) Section 7 (Manual Transaxle - RS5F70A) Section 8 (Manual Transaxle - RS6F51H) Section 9 (Automatic Transaxle - Re4F03B) Different car Section 1 (How To Use The Engine Performance Section) Section 2 (Computer Relearn Procedures) Section 3 (Immobilizer Systems) Section 4 (Air Bag Restraint System) Section 5 (Electronic Suspension - Wiring Diagrams) Section 6 (Computer Relearn Procedures) Section 7 (Engine Controls - Self-Diagnostics - Q45) Section 8 (Wiring Diagrams) Section 9 (Engine Controls - Service & Adjustment Specifications) Section 10 (Engine Controls - On-Vehicle Adjustments) Section 11 (Engine Controls - Basic Diagnostic Procedures) Section 12 (Engine Controls - Self-Diagnostics) Section 13 (Engine Controls - Self-Diagnostics - 2.2L) Section 14 (Engine Controls - Trouble Shooting - No Codes) Section 15 (Engine Controls - System & Component Testing) Section 16 (Engine Controls - Pin Voltage Charts) Section 17 (Vacuum Diagrams) Section 18 (Engine Controls - Removal, Overhaul & Installation) Section 19 (Engine Performance - Wiring Diagrams) Section 20 (Wiring Diagrams) Section 21 (Engine Controls - Service & Adjustment Specifications) Section 22 (Engine Controls - On-Vehicle Adjustments) Section 23 (Engine Controls - Theory & Operation) Section 24 (Engine Controls - Basic Diagnostic Procedures) Section 25 (Engine Controls - Self-Diagnostics) Section 26 (Engine Controls - Self-Diagnostics) Section 27 (Engine Controls - Self-Diagnostics) Section 28 (Engine Controls - Trouble Shooting - No Codes) Section 29 (Engine Controls - System & Component Testing) Section 30 (Engine Controls - System & Component Testing) Section 31 (Engine Controls - Pin Voltage Charts) Section 32 (Vacuum Diagrams) Section 33 (Engine Controls - Removal, Overhaul & Installation) Section 34 (Wiring Diagrams) Section 35 (Engine Controls - On-Vehicle Adjustments - 4 CYL & V6) Section 36 (Engine Controls - Service & Adjustment Specifications - 4 CYL & V6) Section 37 (Engine Controls - Basic Diagnostic Procedures - 4 CYL & V6) Section 38 (Engine Controls - Self-Diagnostics) Section 39 (Engine Controls - Self-Diagnostics) Section 40 (Engine Controls - Self-Diagnostics - 1.8L - XE, GXE) Section 41 (Engine Controls - Self-Diagnostics - 2.5) Section 42 (Engine Controls - Self-Diagnostics - Quest) Section 43 (Engine Controls - Trouble Shooting - No Codes - 4 CYL & V6) Section 44 (Engine Controls - System & Component Testing - 4 CYL & V6) Section 45 (Engine Controls - Pin Voltage Charts - 4 CYL & V6) Section 46 (Vacuum Diagrams) Section 47 (Engine Controls - Removal, Overhaul & Installation) Section 48 (Engine Performance Wiring Diagrams) Section 49 (Disc Brakes) Section 50 (Disc Brakes) Section 51 (Starters) Section 52 (Automatic A/C-Heater Systems) Section 53 (Electrical Component Locator) Section 54 (Air Bag Deactivation Procedures) Section 55 (Automatic Transmission Diagnosis - U140E & U140F) Section 56 (System Wiring Diagrams) Section 57 (System Wiring Diagrams) Section 58 (System Wiring Diagrams) Section 59 (Overhaul - A650E) Section 60 (Automatic Transmission Diagnosis - Re4F03 Series) Section 61 (Automatic Transmission Diagnosis - Re4F04 Series) Section 62 (Automatic Transmission - Diagnosis) Section 63 (Diagnosis - U150E) Section 64 (Engine Controls - Self-Diagnostics - 3.2L) Section 65 (Automatic Transmission Diagnosis - Re4R01A) Section 66 (Automatic Transmission Servicing) Section 67 (Automatic Transmission Shift Interlock Systems) Section 68 (Computer Relearn Procedures - Import) Section 69 (Engine Controls Self-Diagnostics - Pathfinder & QX4) Section 70 (Engine Controls - Self-Diagnostics) Section 71 (Air Bag Restraint System) Section 72 (Air Bag Restraint System) Section 73 (Air Bag Restraint Systems) Section 74 (Air Bag Restraint Systems) Section 75 (Air Bag Restraint Systems) Section 76 (Air Bag Restraint Systems) Section 77 (Air Bag Restraint Systems) Section 78 (System Wiring Diagrams) Section 79 (System Wiring Diagrams) Section 80 (System Wiring Diagrams) Section 81 (System Wiring Diagrams) Section 82 (System Wiring Diagrams) Section 83 (System Wiring Diagrams) Section 84 (Power Door Locks, Trunk Lid & Fuel Door Release) Section 85 (Engine Controls - Service & Adjustment Specifications) Section 86 (Engine Controls - On-Vehicle Adjustments) Section 87 (Engine Controls - Theory & Operation) Section 88 (Engine Controls - Basic Diagnostic Procedures) Section 89 (Engine Controls - Self-Diagnostics) Section 90 (Engine Controls - Self-Diagnostics) Section 91 (Engine Controls - Self-Diagnostics) Section 92 (Engine Controls - Self-Diagnostics) Section 93 (Engine Controls - Self-Diagnostics) Section 94 (Engine Controls - Trouble Shooting - No Codes) Section 95 (Engine Controls - System & Component Testing) Section 96 (Engine Controls - System & Component Testing) Section 97 (Engine Controls - System & Component Testing) Section 98 (Engine Controls - Pin Voltage Charts) Section 99 (Engine Controls - Sensor Operating Range Charts) Section 100 (Vacuum Diagrams) Section 101 (Engine Controls (Removal & Installation)) Section 102 (Introduction) Section 103 (Engine Controls - Service & Adjustment Specifications) Section 104 (Engine Controls - On-Vehicle Adjustments) Section 105 (Engine Controls - Basic Diagnostic Procedures) Section 106 (Engine Controls - Self-Diagnostics) Section 107 (Engine Controls - Trouble Shooting - No Codes) Section 108 (Engine Controls - System & Component Testing) Section 109 (Engine Controls - Pin Voltage Charts) Section 110 (Engine Controls - Sensor Operating Range Charts) Section 111 (Vacuum Diagrams) Section 112 (Engine Controls - Service & Adjustment Specifications) Section 113 (Engine Controls - On-Vehicle Adjustments) Section 114 (Engine Controls - Basic Diagnostic Procedures) Section 115 (Engine Controls - Self-Diagnostics) Section 116 (Engine Controls Self-Diagnostics - Pathfinder) Section 117 (Engine Controls - Trouble Shooting - No Codes) Section 118 (Engine Controls - System & Component Testing) Section 119 (Engine Controls - Pin Voltage Charts) Section 120 (Vacuum Diagrams) Section 121 (Engine Controls - Self-Diagnostics (QG18DE)) Section 122 (Multiplex Communication System) Section 123 (Engine Immobilizer System) Section 124 (Anti-Theft Systems) Section 125 (Remote Keyless Entry Systems) Section 126 (Body Control Modules) Section 127 (Power Mirrors) Section 128 (Power Seats) Section 129 (Can System) Section 130 (Cruise Control Systems) Section 131 (Instrument Panel) Section 132 (Anti-Theft System) Section 133 (Steering Column Switches) Section 134 (Intelligent Power Distribution Module) Section 135 (Wiper/Washer Systems) Section 136 (Automatic Headlights) Section 137 (Power Moon Roofs) Section 138 (Gauges & Instrument Panels) Section 139 (Cruise Control System) Section 140 (Starting System) Section 141 (Steering Column Switches) Section 142 (Anti-Lock) Section 143 (Wiper System & Washer System) Section 144 (Anti-Lock) Section 145 (Multiplex Communication System) Section 146 (Body Control System) Section 147 (Instrument Panel) Section 148 (Automatic Transmission Overhaul - U240E & U241E) Section 149 (Steering Column Switches) Section 150 (Automatic Headlights & Lighting) Sect
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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.
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