Target Audience:
DIY enthusiasts, independent repair shops, and Porsche owners seeking in-depth technical information.
Value Proposition:
Provides the same technical data used by professional Porsche technicians, offering significant cost savings for repairs and maintenance compared to dealership services.
Dealership Equivalent:
Directly stated to be the same manual used by Porsche dealership technicians.
Diy Focus:
Specifically highlighted as 'Perfect for the DIY person!!!'
Download Availability:
Instant free download with no shipping costs, offering immediate access to critical repair information.
Engine Service And Repair:
Complete diagnosis, repair, and overhaul procedures for all engine variants.
Transmission Service And Repair:
Detailed instructions for manual and automatic transmission servicing, clutch replacement, and rebuilds.
Fuel System:
Fuel injection system diagnosis, pump, injectors, and tank servicing.
Ignition System:
Spark plugs, coils, distributor, and ignition control module service.
Cooling System:
Radiator, fan, thermostat, water pump, and coolant flushing procedures.
Exhaust System:
Catalytic converter, muffler, and exhaust manifold repair and replacement.
Brake System:
Front and rear brake pad/shoe replacement, caliper/wheel cylinder servicing, fluid bleeding, and parking brake adjustments.
Steering System:
Power steering pump, rack and pinion, and steering column servicing.
Suspension System:
Struts, shocks, control arms, bushings, and alignment procedures.
Electrical System:
Wiring diagrams, alternator, starter, battery, lighting, and accessory troubleshooting.
Body And Chassis:
Body panel removal/installation, door mechanisms, interior trim, and chassis component repair.
HVAC System:
Heater core, A/C system, and ventilation controls.
Routine Maintenance:
Oil changes, filter replacements, fluid checks, and lubrication schedules.
Diagnostic Procedures:
Troubleshooting guides for common and uncommon issues across all systems.
Repair And Rebuild:
Detailed steps for component disassembly, repair, reassembly, and reinstallation.
Component Replacement:
Instructions for replacing major and minor components.
Adjustment Procedures:
Calibration and adjustment of various systems like brakes, clutch, and ignition timing.
Depth Of Coverage:
Comprehensive, from basic DIY tasks to full engine and transmission rebuilds, mirroring dealer technician resources.
Engine Type Base:
Inline 4-cylinder, front-mounted, water-cooled
Displacement Base:
2.0 Liters (1984 cc)
Engine Type Turbo:
Inline 4-cylinder, front-mounted, water-cooled, turbocharged
Displacement Turbo:
2.0 Liters (1984 cc)
Horsepower Base:
Approx. 110-125 hp (depending on market and exact model year)
Torque Base:
Approx. 120-130 lb-ft (depending on market and exact model year)
Horsepower Turbo:
Approx. 170-180 hp
Torque Turbo:
Approx. 181-195 lb-ft
Fuel Delivery Base:
Bosch L-Jetronic Fuel Injection
Fuel Delivery Turbo:
Bosch K-Jetronic Fuel Injection (CIS-E on later models)
Recommended Fuel:
Unleaded gasoline (Octane rating specified by model year, typically 91+)
Crash Test Info:
Limited data available from official crash tests for this era of vehicle. Manual would detail structural components and passive safety systems.
Brakes:
Front: Ventilated discs; Rear: Drums (standard), Front/Rear discs (Turbo and later models).
ABS:
Optional on later models, particularly Turbo variants.
Seatbelts:
Three-point inertia reel seatbelts.
Steering Column:
Collapsible steering column designed for impact absorption.
Oil Change Interval:
Typically every 5,000-7,500 miles or 12 months, whichever comes first (refer to manual for precise intervals and oil type).
Air Filter Replacement:
Every 15,000-30,000 miles or as needed based on driving conditions.
Spark Plug Replacement:
Every 30,000-60,000 miles, depending on plug type.
Timing Belt Replacement:
Crucial interval, typically every 30,000-50,000 miles or 4-5 years due to interference engine design. Manual will provide exact spec.
Engine Oil:
e.g., Castrol GTX 20W-50 or equivalent API SG/SF (refer to manual for exact specifications).
Coolant:
Ethylene Glycol-based antifreeze mixed 50/50 with distilled water.
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Transmission Fluid Manual:
Gear oil, e.g., 75W-90 GL-4 (refer to manual for specific grade and capacity).
Transmission Fluid Automatic:
Dexron III or equivalent ATF (refer to manual for specific grade and capacity).
Common Wear Items:
Fuel distributor diaphragm (older L-Jetronic), fuel accumulators, vacuum lines, clutch slave cylinder, suspension bushings, door seals.
Timing Belt Failure Risk:
Critical to adhere to timing belt replacement schedule as failure can cause severe engine damage (interference engine).
Fuel System Aging:
Rubber fuel lines and seals can degrade over time, leading to leaks or performance issues.
Porsche Legacy:
Part of Porsche's transition into the 1970s, aiming for a more accessible sports car segment.
Initial Release:
Introduced in 1976 as the 1977 model year, based on the Audi 100 platform.
Key Variants:
Base 924, 924 Lux, 924 Turbo (931), 924 Carrera GT, 924 S (later with 2.5L engine).
Design Philosophy:
Front-engine, rear-drive configuration with a transaxle, focusing on balanced weight distribution and sporty handling.
Production Period:
1976-1988 (for the 924 model line).
Manufacturing Location:
Neckarsulm, Germany (by Audi AG on behalf of Porsche).
