🏷️ Basic Information Identification Make: Holden / Pontiac Model: Monaro / GTO Years Covered: 2004, 2005, 2006 Codes Platform Code: GM Zeta 👋 Introduction Market Position Segment: Rear-wheel drive, V8-powered coupe, performance-oriented grand tourer Competitive Analysis Competitors: Ford Mustang, Chevrolet Camaro, Dodge Challenger (though GTO predates the modern Challenger) Key Features Usp Manual: Enables DIY repairs, saving significant costs; provides step-by-step instructions with pictures for ease of use. Usp Vehicle: American muscle car styling and performance ethos, combined with Australian engineering and chassis tuning. 📋 Manual Details Coverage Areas General Coverage: All models, engines, trim levels, and transmission types Page Count Estimated Page Count: High volume (specific count not provided, but implies comprehensive coverage) Manual Type Type: Complete Workshop Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission (manual and automatic), Drivetrain, Fuel System, Cooling System, Exhaust System Chassis: Suspension (Front and Rear), Steering System, Braking System, Wheels and Tires Electrical: Battery, Charging System, Starting System, Lighting System, Ignition System, Instrumentation, Body Control Modules (BCM), Powertrain Control Module (PCM), Body Electrical Features (Wipers, Horn, Power Accessories), Audio System, Security System Body And Interior: Body Panels, Doors, Hood, Trunk, Interior Trim, Seats, HVAC System (Heating, Ventilation, Air Conditioning) Body And Frame: Structural components, body repair, collision damage repair, alignment specifications. Procedures Included Maintenance: Scheduled maintenance, Fluid checks and changes, Filter replacements, Lubrication Repair: Component removal and installation, Major component overhauls, System diagnostics and repair Troubleshooting: Diagnostic procedures, Fault code interpretation, Common problem diagnosis Diagnostics: OBD-II diagnostics, sensor testing, circuit analysis, pinpoint tests for various systems. Technical Depth Depth: Comprehensive: From basic fluid changes and component replacements to advanced diagnostics, system overhauls, and electrical troubleshooting. Rebuild Procedures: Includes detailed procedures for engine and transmission rebuilds, including torque specifications and assembly sequences. 📊 Manual Specifications File Format Compatibility: All PC & MAC Computers, tablets, smartphones with Adobe Reader Print Quality Printability: Printable (single page, chapter, or entire manual) Binding Type Binding: Not applicable (Digital download) Paper Type Paper Type: Not applicable (Digital download) ⚙️ Engine Specifications Primary Engine Engine Type: 6.0L (364 cu in) LS2 V8 (2005-2006) / 5.7L (350 cu in) LS1 V8 (2004) Performance Ls1 Horsepower: 350 hp @ 5200 rpm Ls1 Torque: 365 lb-ft @ 4000 rpm Ls2 Horsepower: 400 hp @ 5200 rpm Ls2 Torque: 400 lb-ft @ 4000 rpm Fuel System Induction: Sequential Fuel Injection (SFI) Engine Management ECM Type: GM ECU (Engine Control Unit) - specific part numbers vary by year and model Cooling System Coolant Capacity: Approx. 11.2 L (11.8 US qt) with a 50/50 mix of Dex-Cool and water 🔧 Transmission Standard Transmission Type: T-56 6-speed manual transmission Optional Transmission Type: 4L60E 4-speed automatic transmission Features Clutch Type: Hydraulically actuated single-plate clutch (manual) Fluid Specifications Manual Fluid: Dexron III/Mercon automatic transmission fluid or equivalent (check manual for specific approved fluids, often Synchromesh type fluids are recommended for T-56) Automatic Fluid: Dexron III/Mercon or Dexron VI 📐 Dimensions Exterior Length: Approx. 4788 mm (188.5 in) Width: Approx. 1840 mm (72.4 in) Height: Approx. 1396 mm (55.0 in) Wheelbase: Approx. 2808 mm (110.6 in) Weights Curb Weight: Approx. 1734 kg (3823 lbs) for manual, 1757 kg (3874 lbs) for automatic 🛡️ Safety Features Ratings NHTSA Front Impact: 5-star (for both driver and passenger) Active Features Braking System: 4-wheel disc brakes with ABS. Front: 285mm ventilated discs with 2-piston calipers. Rear: 270mm ventilated discs with single-piston calipers. (Upgrade for 2005+ models with larger front rotors/calipers). Traction Control: Standard on all models (TCS) Passive Features Airbags: Front driver and passenger airbags, side-impact airbags (optional/standard depending on year/trim) Seatbelts: 3-point front and rear seat belts with pretensioners 💡 Technology Features Infotainment Audio System: Factory installed AM/FM stereo with CD player, optional premium audio system (Bose). Display: Digital odometer, trip computer, climate control display. Driver Assistance Cruise Control: Standard electronic cruise control Parking Sensors: Optional rear parking assist sensors Connectivity Auxiliary Input: Standard 3.5mm auxiliary audio input jack (on later models/specific trims) 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles (12,000 km) or 6 months, whichever comes first (under normal driving conditions). Spark Plug Replacement: Approx. 100,000 miles (160,000 km) for iridium-tipped spark plugs. Fluid Specifications Engine Oil: SAE 5W-30 synthetic engine oil. API SM or higher, GM dexos1 approved. Brake Fluid: DOT 3 or DOT 4 brake fluid Known Issues Common Wear Items: Clutch wear (especially in manual transmissions), suspension bushings, wheel bearings, fuel pump (in some early models). Electrical Gremlins: Some owners report minor electrical issues, often related to window regulators or interior lighting, typically covered by the manual's detailed electrical schematics. Parts Numbers Example Oil Filter Part Number Ls1: ACDelco PF1218 or equivalent Oil Filter Part Number Ls2: ACDelco PF48 or equivalent 📚 Vehicle History Brand Heritage Holden Context: Holden is an Australian automotive manufacturer with a...