The Holden Commodore WH series, produced from 1999 to 2002, represents a significant chapter in Australian automotive history as a flagship sedan. Built on the robust GM VT/VT II/VX Commodore Platform, this rear-wheel-drive vehicle was designed to excel in the large family and performance sedan market, competing directly with rivals like the Ford Falcon and Mitsubishi Magna. It offered a spacious interior, a comfortable ride, and a choice of powerful V6 and V8 engine options, including the 3.8L Ecotec V6 (naturally aspirated and supercharged) and the potent 5.7L Gen III LS1 V8. The Commodore WH was lauded by motoring journalists for its value, performance, and strong Australian engineering, making it a popular and capable choice for its intended purpose. This comprehensive Factory Service Repair Workshop Manual is designed to be an indispensable resource for owners and technicians alike. It covers all models, engines, trims, and transmissions within the WH Commodore range, providing detailed information on every aspect of the vehicle. Within its extensive pages, you will find in-depth coverage of powertrain systems, chassis components, electrical systems, body and trim, and emissions control. The manual meticulously outlines periodic maintenance schedules, fluid specifications, and replacement intervals for key components. Furthermore, it offers detailed repair procedures for all major systems, diagnostic guides, troubleshooting steps, and essential safety information, ensuring that the Holden Commodore WH can be maintained and repaired to the highest standards. 🏷️ Basic Information Identification Make: Holden Model: Commodore Series: WH Generation Generation Code: WH Codes Platform: GM VT/VT II/VX Commodore Platform 👋 Introduction Market Position Positioning: Flagship Australian sedan, targeting large family and performance sedan market Competitive Analysis Competitors: Ford Falcon (AU/BA), Mitsubishi Magna (TR/TS), Toyota Camry (XV20/XV30) Key Features Strengths: Spacious interior, comfortable ride, powerful V6 and V8 engine options, strong rear-wheel-drive dynamics 📋 Manual Details Coverage Areas Coverage Scope: All Models, Engines, Trims, and Transmissions Page Count Estimated Page Count: Extensive (specific number not provided, but described as complete) Manual Type Type: Factory Service Repair Workshop Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine (all variants), Fuel System, Throttle Body, Cooling System, Lubrication System, Exhaust System Chassis: Suspension, Steering, Brakes, Drivetrain, Wheels, Tires Electrical: Wiring Diagrams, Lighting, Ignition System, Starting and Charging System, Body Control Modules, Instrumentation Body And Trim: Body panels, interior trim, glass, seals Emissions Control: Emission control systems and diagnosis Procedures Included Maintenance: Periodic maintenance schedules, fluid changes, filter replacements, inspections Repair: Component removal, installation, overhaul, and repair for all major systems Diagnostics: Troubleshooting guides, diagnostic procedures, fault code interpretation Technical Depth Depth: Comprehensive (from basic maintenance to complete disassembly and reassembly) 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Printable without restriction Binding Type Binding: Digital Download (PDF) Paper Type Paper Quality Ideal For Printing: N/A (Digital) Software Requirements Required Software: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Options: 3.8L V6 (L36 Ecotec), 3.8L Supercharged V6 (L67 Ecotec), 5.7L V8 (Gen III LS1) Performance V6 Power Approx: 147 kW (197 hp) @ 5000 rpm (L36) Supercharged V6 Power Approx: 171 kW (229 hp) @ 4800 rpm (L67) V8 Power Approx: 245 kW (329 hp) @ 5200 rpm (LS1) Fuel System Injection Type: Multi-point Fuel Injection (MPI) for V6, Sequential Fuel Injection (SFI) for V8 Engine Codes V6 Ecotec Codes: L36 (Naturally Aspirated), L67 (Supercharged) V8 Ls1 Code: LS1 🔧 Transmission Standard Standard Transmission V6: 4-speed automatic (4L60-E) Standard Transmission V8: 4-speed automatic (4L60-E) Optional Optional Transmission V6 Manual: 5-speed manual (Getrag 260/5) Optional Transmission V8 Manual: 6-speed manual (T-56) Features Automatic Transmission Features: Electronic control, overdrive, torque converter lock-up 📐 Dimensions Exterior Wheelbase Mm: 2731 Length Mm Sedan: 4952 Width Mm: 1791 Height Mm: 1453 Weights Kerb Weight Kg Approx: 1600-1750 (model dependent) Gross Vehicle Weight Kg Approx: 2100-2250 (model dependent) 🛡️ Safety Features Ratings Ancap Rating: 4-star (for comparable VT/VX models, WH would be similar) Active Features Active Safety Features: ABS (Anti-lock Braking System), Traction Control System (TCS) on some models, optional Electronic Stability Control (ESC) on later models Passive Features Passive Safety Features: Driver and front passenger airbags, side impact protection bars, collapsible steering column 💡 Technology Features Infotainment Infotainment System: Factory fitted radio/cassette/CD player, optional premium sound system Driver Assistance Driver Assistance Features: Cruise control, trip computer on higher trims Connectivity Connectivity Options: Limited by era; basic radio antenna, speaker connections 🔧 Maintenance Service Intervals Oil Change Interval Km: 15,000 km or 12 months (whichever comes first), depending on driving conditions Air Filter Replacement Km: 30,000 km or 24 months Spark Plug Replacement Km: 60,000 km (standard V6), 100,000 km (V8) Fluid Specifications Engine Oil Specification: API SG/SH/SJ or ILSAC GF-2, SAE 10W-30 or 10W-40 (check manual for specific V6/V8 recommendations) Coolant Type: GM Type 1 (Blue) or equivalent OAT coolant Transmission Fluid Type Auto: Dexron III (or Dexron...