🏷️ Basic Information Identification Make: Porsche Model: 944 Year: 1985 Codes Chassis Code: 944 Vin Code Decade: G Generation Generation Name: First Generation (Type 944) Generation Years: 1982-1985 👋 Introduction Market Position Vehicle Class: Front-engine, rear-drive sports coupe/convertible. Target Audience: Enthusiasts, DIY mechanics, and professional technicians working on the Porsche 944. Competitive Analysis Competitors 1985: Chevrolet Corvette C4, Nissan 300ZX (Z31), Toyota MR2, Mazda RX-7 (FC), BMW 6 Series. Key Features Design Philosophy: Transaxle layout for optimal weight distribution, sporty handling, and practicality compared to other Porsches of the era. Reputation: Known for its balanced chassis, powerful four-cylinder engine, and accessible performance for a Porsche. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Language: English Format: PDF Page Count Page Count: Estimated 700-900 pages (typical for this era of detailed workshop manuals, actual may vary). Compatibility Operating Systems: Windows, macOS 📖 Manual Coverage Systems Covered Engine: Detailed troubleshooting, repair, and overhaul procedures for the 2.5L inline-4 engine, including cylinder head, block, crankshaft, pistons, connecting rods, camshafts, timing belt system, lubrication system, cooling system, and engine management. Fuel Exhaust: Comprehensive coverage of the fuel delivery system (Bosch CIS-L-Jetronic fuel injection, fuel pump, injectors, fuel lines), exhaust system components, catalytic converter (if applicable), and emissions control systems. Transmission: Repair and overhaul of the manual transmission (M5 gearbox), clutch system, driveshafts, and differential. May include details for automatic transmission if equipped. Front Axle Steering: Front suspension components (struts, control arms, bushings), steering rack, power steering system, wheel bearings, and alignment specifications. Rear Axle: Rear suspension components (semi-trailing arms, shocks, springs), wheel bearings, differential, and axle shafts. Wheels Brakes: Front and rear brake systems (disc brakes), hydraulic system, ABS (if equipped), parking brake, wheel and tire specifications, and lug nut torque. Body: Body panel removal/installation, interior trim, door mechanisms, glass, seals, ventilation, air conditioning (HVAC) system, and exterior lighting. Electrical Equipment: Complete electrical schematics, wiring diagrams, battery, charging system (alternator), starting system, ignition system, lighting (headlights, taillights, interior), instruments, gauges, horn, wipers, and power accessories. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks, belt inspections and replacements, spark plug service, and general upkeep. Troubleshooting: Diagnostic procedures for common problems, fault codes (if applicable), and systematic approaches to identifying and resolving issues across all systems. Repair Overhaul: Detailed step-by-step instructions for component disassembly, repair, reassembly, and adjustment for nearly all vehicle systems. Specifications Data: Torque specifications for fasteners, clearances, fluid capacities, pressure readings, electrical resistance values, and performance data. Technical Depth Depth Level: Comprehensive. Covers everything from basic maintenance and adjustments to complex engine, transmission, and electrical system overhauls. Diagrams Illustrations: Includes detailed diagrams, exploded views, and illustrations to aid in disassembly, assembly, and identification of parts. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text within the PDF for quick information retrieval. Printability: Printable pages for workshop use. Print Quality Quality Assessment: Digital reproduction, quality dependent on original source. Typically good clarity for text and diagrams. Binding Type Binding: N/A (Digital PDF format) Paper Type Paper: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Type: Inline-4, Front-mounted Displacement: 2.5 Liters (2479 cc) Bore X Stroke: 104.0 mm x 71.0 mm Compression Ratio: 10.2:1 Valvetrain: DOHC (Dual Overhead Camshafts), 2 valves per cylinder, belt-driven Performance Horsepower Net: 143 hp @ 5,500 rpm (US Specification) Torque Net: 167 lb-ft @ 3,000 rpm (US Specification) Fuel System Fuel Delivery: Bosch CIS-L-Jetronic (Continuous Injection System - Lambda Control) Fuel Type: Unleaded Premium Gasoline (91 octane or higher recommended) Engine Management Ignition System: Electronic Ignition (Distributorless in some variants, typically with distributor for '85) Cooling System Cooling Type: Liquid-cooled, front-mounted radiator with electric fan 🔧 Transmission Standard Transmission Type: 5-Speed Manual Transaxle Optional Transmission Type: 3-Speed Automatic Transaxle (Optional) Features Drive Layout: Rear-wheel drive (RWD) with transaxle design Clutch Type: Hydraulically operated single dry-plate clutch 📐 Dimensions Exterior Length: Approx. 4215 mm (165.9 inches) Width: Approx. 1715 mm (67.5 inches) Height: Approx. 1275 mm (50.2 inches) Wheelbase: Approx. 2450 mm (96.5 inches) Front Track: Approx. 1470 mm (57.9 inches) Rear Track: Approx. 1460 mm (57.5 inches) Weights Curb Weight: Approx. 1250-1300 kg (2756-2866 lbs), depending on options Gross Vehicle Weight Rating: Approx. 1700 kg (3748 lbs) Wheels Tires Standard Wheel Size: 15-inch alloy wheels Standard Tire Size: 215/60 VR 15 Wheel Bolt Pattern: 5 x 130 mm Lug Nut Torque: 150 Nm (111 lb-ft) 🛡️ Safety Features Ratings Crash Test Results: No standardized crash test data like NHTSA/IIHS available for this era, but designed with a strong chassis and safety cage. Active Features ABS: Anti-lock Braking System (ABS) was an optional feature on 1985 models. Passive Features Seatbelts: 3-point inertia-reel front seatbelts, lap belts for rear occupants (if fitted). Steering Column: Collapsible steering column. Body Structure: Reinforced passenger cell, front and rear crumple zones. 💡 Technology Features Infotainment Audio...