Vehicle Era:
        
        
            Early 1980s performance coupe
        
     
    
        
            Target Audience:
        
        
            Porsche 944 owners, mechanics, and enthusiasts undertaking repairs and restoration
        
     
    
    
        
            Class:
        
        
            Front-engine, rear-wheel-drive, 2+2 coupe
        
     
    
    
        
            Manual Benefit 1:
        
        
            Accurate part numbers for sourcing correct replacements
        
     
    
        
            Manual Benefit 2:
        
        
            Visual guidance for complex assembly and disassembly tasks
        
     
    
        
            Manual Benefit 3:
        
        
            Essential for DIY mechanics and professional workshops
        
     
    
        
            Manual Benefit 4:
        
        
            Cost-effective repair solution by enabling correct part procurement
        
     
 
    
    
    
        
            Engine Components:
        
        
            Cylinder block, cylinder head, pistons, crankshaft, camshafts, valvetrain, lubrication system, cooling system, fuel delivery system (carburetor/early injection), exhaust system components
        
     
    
        
            Drivetrain Components:
        
        
            Clutch, transmission (transaxle), driveshafts, differential components, axles
        
     
    
        
            Suspension And Steering Components:
        
        
            Front and rear suspension arms, control arms, shock absorbers, springs, sway bars, steering rack, steering column components, wheel bearings
        
     
    
        
            Brake System Components:
        
        
            Brake calipers, rotors, master cylinder, brake lines, parking brake components
        
     
    
        
            Electrical System Components:
        
        
            Wiring harnesses, connectors, fuses, relays, lighting components (headlights, taillights), ignition system components (distributor, coils), starter motor, alternator
        
     
    
        
            Body And Chassis Components:
        
        
            Body panels (fenders, doors, hood, trunk lid), bumpers, glass, seals, trim pieces, interior panels, seats, dashboard components, chassis structural members
        
     
    
        
            Fuel And Exhaust Systems:
        
        
            Fuel tank, fuel lines, fuel filters, exhaust manifolds, catalytic converter (if applicable), mufflers, tailpipes
        
     
    
        
            HVAC Components:
        
        
            Heating and air conditioning system parts (blower motor, evaporator, condenser, ducting)
        
     
    
    
        
            Part Identification:
        
        
            Detailed diagrams with numbered parts and corresponding part numbers
        
     
    
        
            Assembly Disassembly Guidance:
        
        
            Exploded views illustrating how components are put together and taken apart
        
     
    
        
            Component Relationships:
        
        
            Visual representation of how different parts interact within a system
        
     
    
        
            Cross Referencing:
        
        
            Implicit cross-referencing of parts within different assemblies
        
     
    
    
        
            Depth:
        
        
            Comprehensive part-level detail for all major and minor components
        
     
    
        
            Diagnostic Support:
        
        
            Indirect support through accurate part identification for replacement and understanding of system configuration
        
     
    
        
            Repair Guidance:
        
        
            Facilitates repairs by providing correct part numbers and visual aids for assembly
        
     
 
    
    
    
    
        
            Searchability:
        
        
            Likely text-searchable if the PDF was created from a digital source or OCR'd effectively
        
     
    
    
        
            Quality:
        
        
            Printable, quality depends on the source PDF
        
     
    
    
        
            Binding Type:
        
        
            Digital (PDF), no physical binding
        
     
    
    
        
            Paper Type:
        
        
            N/A (Digital Format)
        
     
    
    
        
            Operating Systems:
        
        
            All Versions of Windows, Mac, and Linux
        
     
    
    
        
            Software:
        
        
            Adobe PDF Reader
        
     
 
    
    
    
        
            Engine Type:
        
        
            Inline-4 (Transverse mounted)
        
     
    
        
            Displacement:
        
        
            2.5 Liters (2479 cc)
        
     
    
        
            Bore X Stroke:
        
        
            104 mm x 71 mm (approximate)
        
     
    
        
            Compression Ratio:
        
        
            9.7:1 (typical for base model)
        
     
    
        
            Valvetrain:
        
        
            SOHC, 2 valves per cylinder (later 16V versions introduced for 1986 model year)
        
     
    
        
            Engine Mounting:
        
        
            Transverse
        
     
    
        
            Balance Shafts:
        
        
            Yes (Designed to counteract vibrations from the inline-4)
        
     
    
    
        
            Horsepower:
        
        
            143-150 hp (DIN) @ 5500 rpm (for 1982-1983 models)
        
     
    
        
            Torque:
        
        
            205 Nm (151 lb-ft) @ 3000 rpm (for 1982-1983 models)
        
     
    
    
        
            Fuel Delivery 1982-1983:
        
        
            Bosch L-Jetronic Fuel Injection
        
     
    
        
            Fuel Delivery 1984-1985:
        
        
            Bosch Motronic Fuel Injection (later models)
        
     
    
        
            Fuel Type:
        
        
            Unleaded Gasoline
        
     
    
        
            Fuel Pump Type:
        
        
            Electric (in-tank)
        
     
    
    
        
            Engine Code Prefix:
        
        
            M44.50 (early models), M44.51 (later models with Motronic)
        
     
 
    
    
    
        
            Transmission Type:
        
        
            5-speed Manual Transaxle (G30/M30 series)
        
     
    
    
        
            Transmission Type:
        
        
            3-speed Automatic Transaxle (optional)
        
     
    
    
        
            Transaxle Layout:
        
        
            Rear transaxle design (engine front, gearbox rear)
        
     
    
        
            Clutch Type:
        
        
            Hydraulically actuated dry single-plate clutch
        
     
    
    
        
            Manual Transmission Fluid:
        
        
            Porsche spec. ATF Dextron III or equivalent (Check specific manual for exact spec, often SAE 75W-90 GL-4)
        
     
    
        
            Automatic Transmission Fluid:
        
        
            ATF Dextron III or equivalent
        
     
 
    
    
    
        
            Crash Test Data:
        
        
            Limited official crash test data available from this era by modern standards; known for robust safety cage and structural integrity.
        
     
    
    
        
            Braking System:
        
        
            Four-wheel disc brakes (standard)
        
     
    
        
            Brake Component Size Front:
        
        
            282 mm (11.1 in) vented rotors
        
     
    
        
            Brake Component Size Rear:
        
        
            294 mm (11.6 in) solid rotors (approx.)
        
     
    
        
            ABS Availability:
        
        
            Optional on later models (introduced from 1987 onwards, but early systems may exist as aftermarket or rare factory options in this range).
        
     
    
    
        
            Seat Belts:
        
        
            Three-point inertia-reel seat belts (front), lap belts (rear)
        
     
    
        
            Steering Column:
        
        
            Collapsible steering column
        
     
    
        
            Fuel Tank Protection:
        
        
            Reinforced fuel tank mounting and protection
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 7,500 - 10,000 miles (12,000 - 15,000 km) or annually
        
     
    
        
            Air Filter Replacement:
        
        
            Every 15,000 - 30,000 miles (24,000 - 48,000 km) or as needed based on conditions
        
     
    
        
            Fuel Filter Replacement:
        
        
            Every 30,000 - 45,000 miles (48,000 - 72,000 km)
        
     
    
        
            Timing Belt Replacement:
        
        
            Every 50,000 - 60,000 miles (80,000 - 96,000 km) or 5 years (Crucial for engine longevity - interference engine)
        
     
    
    
        
            Engine Oil Type:
        
        
            API SG or higher, SAE 10W-40 or 10W-50 synthetic or semi-synthetic recommended
        
     
    
        
            Engine Oil Capacity:
        
        
            5.5 Liters (5.8 US Quarts) with filter change
        
     
    
        
            Coolant Type:
        
        
            G11 (Blue/Green) or equivalent ethylene glycol-based antifreeze
        
     
    
        
            Coolant Capacity:
        
        
            Approx. 9 Liters (9.5 US Quarts)
        
     
    
    
        
            Common Issue 1:
        
        
            Timing belt failure (catastrophic engine damage if not replaced on schedule)
        
     
    
        
            Common Issue 2:
        
        
            Fuel distributor and injector issues (stalling, poor running)
        
     
    
        
            Common Issue 3:
        
        
            Oil leaks from front and rear crankshaft seals, oil cooler seals
        
     
    
        
            Common Issue 4:
        
        
            Worn suspension bushings, control arm bearings
        
     
    
        
            Common Issue 5:
        
        
            Cracked dashboard (sun exposure)
        
     
    
        
            Common Issue 6:
        
        
            Electrical gremlins, especially with aging wiring harnesses and connectors
        
     
    
        
            Common Issue 7:
        
        
            Transaxle mount wear
        
     
    
        
        Maintenance Recommendations
    
 
    
        
            Priority 1:
        
        
            Strict adherence to timing belt replacement schedule
        
     
    
        
            Priority 2:
        
        
            Regular inspection and replacement of fuel system components
        
     
    
        
            Priority 3:
        
        
            Addressing oil leaks promptly to prevent further damage
        
     
 
    
    
    
    
        
            Brand Focus:
        
        
            High-performance sports cars
        
     
    
    
    
    
        
            Key Changes 1982-1985:
        
        
            Introduction of the 2.5L engine, revision of chassis and suspension, early adoption of Motronic for later models
        
     
    
        
            Subsequent Models:
        
        
            Porsche 944 Turbo (1985), 944 S (1986), 944 S2 (1989), 944 Turbo S (1988), 968 (1992)
        
     
    
    
        
            Manufacturing Location:
        
        
            Neckarsulm, Germany (Audi AG factory, under contract to Porsche)
        
     
    
        
            Total Production 1982-1985:
        
        
            Approx. 60,000 units (across all variants within these years)