1998 GMC Yukon RWDFACTORY 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 (FRONT SUSPENSION - 4WD Torsion Bar) Different car Section 1 (Engine Mechanical - 6.5L V8 Diesel - VIN [Y,S,F]) Section 2 (Computer Relearn Procedures) Section 3 (Engine Controls - Specifications - 6.5L Diesel) Section 4 (Engine Adjustments - 6.5L Diesel) Section 5 (Engine Controls - Service & Adjustment System Specifications - 4.3L) Section 6 (Engine Performance System Adjustments - 4.3L) Section 7 (Engine Controls - Service & Adjustment System Specifications - 5.0L) Section 8 (Engine Performance System Adjustments - 5.0L) Section 9 (Engine Controls - Service & Adjustment System Specifications - 5.7L (G Series)) Section 10 (Engine Performance System Adjustments - 5.7L (G Series)) Section 11 (Engine Controls - Service & Adjustment System Specifications - 6.5L Turbo Diesel (G Series)) Section 12 (Engine Performance System Adjustments - 6.5L Diesel (G Series)) Section 13 (Engine Controls - Service & Adjustment System Specifications - 7.4L (G Series)) Section 14 (Engine Performance System Adjustments - 7.4L (G Series)) Section 15 (Engine Controls - Tests W/O Codes - 4.3L) Section 16 (Engine Controls - Tests W/O Codes - 5.0L) Section 17 (Engine Controls - Tests W/O Codes - 5.7L (G Series)) Section 18 (Engine Controls - Tests W/O Codes - 7.4L (G Series)) Section 19 (Engine Controls - Basic Diagnostic Procedures - 6.5L Diesel) Section 20 (Engine Controls - Basic Diagnostic Procedures - 4.3L) Section 21 (Engine Controls - Basic Diagnostic Procedures - 5.0L) Section 22 (Engine Controls - Basic Diagnostic Procedures - 5.7L (G Series)) Section 23 (Engine Controls - Basic Diagnostic Procedures - 6.5L Diesel (G Series)) Section 24 (Engine Controls - Basic Diagnostic Procedures - 7.4L (G Series)) Section 25 (Engine Controls - Tests W/Codes - 6.5L) Section 26 (Engine Controls - Tests W/Codes - 4.3L) Section 27 (Engine Controls - Tests W/Codes - 5.0L - G Vans) Section 28 (Engine Controls - Tests W/Codes - 5.7L (G Series)) Section 29 (Engine Controls - Tests W/Codes - 6.5L Diesel (G Series) ) Section 30 (Engine Controls - Tests W/Codes - 7.4L (G Series)) Section 31 (Engine Controls - Tests W/O Codes - 6.5L) Section 32 (Engine Controls - Tests W/O Codes - 6.5L (G Series)) Section 33 (Engine Controls - System & Component Testing - 6.5L) Section 34 (Engine Control System & Component Tests - 4.3L) Section 35 (Engine Controls - System & Component Testing - 5.0L) Section 36 (Engine Control System & Component Tests - 5.7L (G Series)) Section 37 (Engine Controls - System & Component Testing - 6.5L (G Series)) Section 38 (Engine Controls - System & Component Testing - 7.4L (G Series)) Section 39 (Engine Controls - Tests W/Codes - 4.3L) Section 40 (Engine Controls - Tests W/Codes - 5.0L) Section 41 (Engine Controls - Tests W/Codes - 7.4L) Section 42 (Engine Controls - Tests W/Codes - 4.3L) Section 43 (Engine Controls - Tests W/Codes - 5.0L) Section 44 (Engine Controls - Tests W/Codes - 5.7L) Section 45 (Engine Controls - Tests W/Codes - 7.4L) Section 46 (Anti-Theft System) Section 47 (Engine Controls - Removal, Installation & Overhaul - 4.3L) Section 48 (Engine Controls - Removal, Installation & Overhaul - 5.0L) Section 49 (Engine Controls - Removal, Installation & Overhaul - 5.7L) Section 50 (Engine Controls - Removal, Installation & Overhaul - 7.4L) Section 51 (Instrument Panel) Section 52 (Starting System) Section 53 (Engine Controls - Basic Diagnostic Procedures - 4.3L) Section 54 (Engine Controls - Basic Diagnostic Procedures - 5.0L) Section 55 (Engine Controls - Basic Diagnostic Procedures - 5.7L) Section 56 (Engine Controls - Basic Diagnostic Procedures - 7.4L) Section 57 (Supplemental Inflatable Restraint System) Section 58 (Automatic Transmission Hydraulic Diagrams - 4L80-E.) Section 59 (Computer Relearn Procedures) Section 60 (Anti-Lock Brake System - 4WAL) Section 61 (Disc Brakes & Drum Brakes) Section 62 (Supplemental Inflatable Restraint System Deactivation Procedures) Section 63 (Automatic Transmission Diagnosis - 4L60-E) Section 64 (Automatic Transmission Diagnosis - 4L80-E (Gasoline)) Section 65 (Automatic Transmission Diagnosis - 4L80-E (Diesel)) Section 66 (Engine Controls - Tests W/O Codes - 6.5L Turbo Diesel) Section 67 (Engine Controls - Tests W/Codes - 6.5L Turbo Diesel) Section 68 (Engine Controls - System & Component Testing - 6.5L Turbo Diesel) Section 69 (Automatic Transmission Overhaul - 4L80-E) Section 70 (Automatic Transmission Diagnosis - 4L80-E (Gasoline)) Section 71 (Engine Controls - Tests W/O Codes - 4.3L) Section 72 (Engine Controls - Tests W/O Codes - 5.0L) Section 73 (Engine Controls - Tests W/O Codes - 5.7L) Section 74 (Engine Controls - Tests W/O Codes - 7.4L) Section 75 (Engine Controls - System & Component Testing - 4.3L) Section 76 (Engine Controls - System & Component Testing - 5.0L) Section 77 (Engine Controls - System & Component Testing - 5.7L) Section 78 (Engine Controls - System & Component Testing - 7.4L) Section 79 (Wheel Alignment Specifications & Adjustment Procedures) Section 80 (Supplemental Inflatable Restraint System) Section 81 (Axle Shafts - Rear) Section 82 (Steering Wheel And Steering Column) Section 83 (Disc Brakes & Drum Brakes) Section 84 (Automatic Transmission Diagnosis - 4L80-E (Diesel)) Section 85 (Engine Controls - Basic Diagnostic Procedures - 6.5L Turbo Diesel) Section 86 (Engine Controls - Basic Diagnostic Procedures - 7.4L) Section 87 (Engine Controls - Tests W/Codes - 6.5L Turbo Diesel) Section 88 (Body Control Modules) Section 89 (Steering Column & Steering Column Switches) Section 90 (Analog Instrument Panels) Section 91 (Body Control Modules) Section 92 (Engine Controls - Specifications - 6.5L Turbo Diesel) Section 93 (Engine Performance System Adjustments - 4.3L) Section 94 (Engine Performance System Adjustments - 6.5L Diesel) Section 95 (Engine Adjustments - 6.5L Turbo Diesel) Section 96 (Engine Performance System Adjustments - 6.5L Turbo Diesel) Section 97 (Engine Performance Wiring Diagrams - 4.3L) Section 98 (Engine Performance Wiring Diagrams - 5.0L) Section 99 (Engine Performance Wiring Diagrams - 5.7L) Section 100 (Engine Performance Wiring Diagrams - 7.4L) Section 101 (Engine Performance - Wiring Diagrams - 7.4L) Section 102 (System Wiring Diagrams - Engine Performance (6.5L Diesel)) Section 103 (Engine Performance - Wiring Diagrams - 6.5L Turbo Diesel) Section 104 (Engine Performance Wiring Diagrams - 6.5L (Turbo Diesel)) Section 105 (Headlight Systems & Daytime Running Lights Systems - Wiring Diagrams) Section 106 (Theft Deterrent System) Section 107 (Analog Instrument Panels) Section 108 (Disc Brakes) Section 109 (Remote Keyless Entry System) Section 110 (HVAC Systems - Automatic) Section 111 (HVAC Systems - Automatic) Section 112 (Drive Axles) Section 113 (Computer Relearn Procedures) Section 114 (Computer Relearn Procedures) Section 115 (Power Door Lock System & Trunk Release) Section 116 (HVAC Systems - Manual) Section 117 (HVAC Systems - Manual) Section 118 (HVAC Systems - Manual) Section 119 (Front Suspension System) Section 120 (Automatic Transaxle Overhaul & Testing - 4T65-E) Section 121 (Rear Suspension System) Section 122 (Engine Controls - Service & Adjustment System Specifications - 4.3L) Section 123 (Engine Controls - Specifications - 7.4L) Section 124 (Engine Controls - System & Component Testing 7.4L) Section 125 (Engine Controls - Removal, Installation & Overhaul - 4.3L) Section 126 (Engine Controls - Removal, Installation & Overhaul - 7.4L) Section 127 (Engine

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:

  • 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.

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