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)