🏷️ Basic Information Identification Make: Porsche Model: 911 Year: 1999 Generation Internal Chassis Code: 996 Codes Vehicle Engine Code Designation: M96.01 (Carrera), M96.02 (Carrera 4) 👋 Introduction Market Position Positioning: The 1999 Porsche 911 (996 generation) marked a significant shift for the iconic sports car, introducing water-cooled engines and a new chassis. This manual targets owners and independent workshops seeking to maintain or repair this pivotal model. Competitive Analysis Competitors: Competed directly with high-performance sports cars of the era such as the Ferrari 355, Chevrolet Corvette C5, and BMW M3 (E36/E46). Key Features Chassis Introduction: First generation of the 911 to feature a unibody construction and water-cooled engines, a departure from its air-cooled predecessors. Engine Type: Introduction of the M96 flat-six boxer engine, a significant engineering advancement for Porsche. 📋 Manual Details Coverage Areas Primary Coverage: All aspects of service, repair, and maintenance for the 1999 Porsche 911 (996 generation) Page Count Estimated Page Count: Extensive (likely over 1000 pages when compiled from original documentation) Manual Type Type: Official Service and Repair Manual Software Language Language: English Format Format: Software (Digital Download/Online Access) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder heads, pistons, crankshaft, camshafts, valve train, lubrication system, cooling system Engine Management: Fuel injection system (Motronic), ignition system, emission control system, engine control unit (ECU) diagnostics Transmission: Manual transmission (G96.00, G96.01), Tiptronic automatic transmission (G96.50), clutch system, drive shafts, differential Suspension Steering: Front and rear suspension components, shock absorbers, springs, control arms, power steering system, wheel alignment Brakes: Brake system hydraulics, ABS (Anti-lock Braking System), brake discs, pads, calipers, parking brake Electrical System: Battery, charging system, starter motor, lighting system, power windows, mirrors, seats, instrument cluster, wiring diagrams Body And Chassis: Body panels, doors, hood, trunk, bumpers, interior trim, chassis structure, rust prevention HVAC: Heating, ventilation, and air conditioning (HVAC) system components and service Diagnostic Tools: Information on using Porsche-specific diagnostic equipment and interpreting error codes Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, tire rotation, spark plug replacement Major Repairs: Engine overhaul, transmission rebuild, clutch replacement, suspension component replacement, brake system repair Troubleshooting: Step-by-step diagnostic procedures for common and uncommon issues, fault finding charts Component Replacement: Detailed instructions for removing, installing, and adjusting all major components Electrical Diagnostics: Wiring diagram interpretation, component testing, troubleshooting electrical faults Bodywork Repair: Panel alignment, minor dent repair, corrosion treatment procedures Technical Depth Depth Of Information: Comprehensive, covering everything from basic maintenance to complete engine and transmission overhauls, including detailed torque specifications and special tool requirements. 📊 Manual Specifications File Format Software Type: Proprietary software or PDF archive, likely searchable and bookmarked. Print Quality Digital Quality: High-resolution digital scans or native digital content, ensuring clarity of diagrams and text. Binding Type Binding: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code Variant 1: M96.01 Engine Displacement Variant 1: 3.4 Liters (3387 cc) Engine Configuration Variant 1: Naturally Aspirated, Flat-Six (Boxer) Engine Code Variant 2: M96.02 Engine Displacement Variant 2: 3.4 Liters (3387 cc) Engine Configuration Variant 2: Naturally Aspirated, Flat-Six (Boxer) - AWD (Carrera 4) Performance Horsepower Variant 1: 300 PS (296 hp / 221 kW) @ 6800 rpm Torque Variant 1: 350 Nm (258 lb-ft) @ 4600 rpm Horsepower Variant 2: 300 PS (296 hp / 221 kW) @ 6800 rpm Torque Variant 2: 350 Nm (258 lb-ft) @ 4600 rpm Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) controlled by Bosch Motronic M5.2.2 Fuel Type: Unleaded gasoline, premium octane (98 RON recommended) Ignition System: Distributorless ignition with individual ignition coils per cylinder 🔧 Transmission Standard Transmission Type Standard: 6-speed Manual Transmission (G96.00 for RWD, G96.01 for AWD) Optional Transmission Type Optional: 5-speed Tiptronic Automatic Transmission (G96.50) Features Clutch Type: Hydraulically operated, single-plate dry clutch Final Drive Ratio: Typically 3.44:1 for manual, varies for Tiptronic and AWD models. 📐 Dimensions Exterior Length: 4435 mm (174.6 in) Width: 1735 mm (68.3 in) Height: 1305 mm (51.4 in) Wheelbase: 2350 mm (92.5 in) Weights Curb Weight Rwd Manual: Approx. 1320 kg (2910 lbs) Curb Weight AWD Manual: Approx. 1430 kg (3153 lbs) Cargo Trunk Volume Front: Approx. 130 liters (4.6 cu ft) Rear Storage Area: Small area behind seats, capacity varies 🛡️ Safety Features Ratings NHTSA Front Crash Rating: Not explicitly rated by NHTSA in a manner directly comparable to modern standards; designed to high Porsche safety standards. Active Features ABS: Standard Bosch ABS (Anti-lock Braking System) Traction Control: Porsche Stability Management (PSM) often optional or standard depending on market and model variant. Passive Features Airbags: Driver and front passenger airbags; side airbags became more common later in the generation. Body Structure: Reinforced chassis and crumple zones 💡 Technology Features Infotainment Head Unit: Standard Porsche CDR-220 radio/cassette player with optional CD changer. Navigation: Optional factory navigation system available. Driver Assistance...