🏷️ Basic Information

Make:

Porsche

Model:

968

Model Years Covered:

1991, 1992, 1993, 1994, 1995

Internal Chassis Code:

944 S3 / Type 968

👋 Introduction

Target Audience:

Do-it-yourself owners and experienced professional mechanics.

Advantage:

Provides dealer-level service information at a fraction of the cost, ensuring accurate and efficient repairs.

Completeness:

100% complete and intact, no missing or corrupt pages/sections.

Accessibility:

Instant digital download in a universally compatible PDF format.

📋 Manual Details

Styles Covered:

All body styles (Coupe, Cabriolet, Targa)

Total Pages:

> 770

Type:

Official Workshop Service and Repair Manual

Language:

English (Presumed, based on typical Porsche manuals)

Format:

PDF Digital Download

📖 Manual Coverage

Engine Mechanical:

Complete engine mechanicals, including disassembly, assembly, timing, lubrication, cooling, and fuel systems.

Engine Control System:

Detailed coverage of the engine control unit (ECU), sensors, actuators, and troubleshooting of engine management systems.

Emission Control Systems:

Diagnosis and repair procedures for emission control components and systems.

Drive Shaft And Axles:

Inspection, repair, and replacement of drive shafts, CV joints, and axles.

Transmission Manual:

Complete service and repair procedures for the manual transaxle, including clutch system and components.

Transmission Automatic:

Service and repair information for the optional automatic transaxle.

Differential Case Assembly:

Service and repair of the differential assembly.

Cylinder Head Assembly:

Detailed procedures for cylinder head removal, inspection, and reassembly, including valve adjustments.

Cooling System:

Service and repair of the radiator, coolant hoses, water pump, thermostat, and cooling fan system.

Combination Meter And Instrumentation:

Diagnosis and repair of the instrument cluster, gauges, and warning lights.

Clutch System:

Comprehensive coverage of the clutch pedal, master cylinder, slave cylinder, release bearing, and clutch disc.

Charging System:

Service and repair of the alternator, voltage regulator, and battery.

Brake System:

Detailed information on brake calipers, rotors, pads, master cylinder, brake booster, ABS (Anti-lock Braking System), and brake fluid.

Body Repair:

Procedures for body panel repair, collision damage, and structural integrity.

Wiring Diagrams:

Extensive and detailed wiring diagrams for all electrical systems, aiding in troubleshooting and repair.

Wiper And Washer System:

Service and repair of the windshield wipers, washer fluid pump, and related components.

Wheel And Tire System:

Information on wheel alignment, tire pressures, and wheel/tire replacement.

Supplemental Restraint System:

Coverage of the airbag system, including sensors, control modules, and replacement procedures.

Sun Roof System:

Service and repair of the sunroof mechanism.

Steering System:

Detailed coverage of the power steering system, steering rack, column, and associated components.

Starting System:

Service and repair of the starter motor, starter switch, and related wiring.

Lighting System:

Repair and maintenance of headlights, taillights, interior lights, and related switches.

Lubrication System:

Oil change procedures, lubrication points, and oil specifications.

Fuel System:

Service and repair of fuel tank, fuel pump, fuel injectors, fuel lines, and fuel pressure regulator.

Exhaust System:

Repair and replacement of exhaust pipes, catalytic converters, and mufflers.

Air Conditioning System:

Service, diagnosis, and repair of the A/C system, including refrigerant handling and component replacement.

Audio Visual System:

Troubleshooting and repair of the audio system and related components.

Routine Maintenance:

Oil changes, filter replacements, fluid checks, spark plug replacement, belt inspection/replacement.

Troubleshooting:

Step-by-step troubleshooting guides for various systems and common problems, including electrical diagnostics.

Engine Overhaul:

Complete procedures for engine disassembly, inspection, repair, and reassembly.

Transmission Repair:

Detailed steps for manual and automatic transmission repair and rebuilding.

Brake System Repair:

Procedures for brake pad/rotor replacement, caliper service, bleeding the brake system, and ABS diagnostics.

Suspension And Steering Repair:

Repair and adjustment of suspension components (shocks, struts, control arms) and steering system elements.

Electrical System Diagnostics:

Detailed diagnostic procedures for electrical issues, including wiring harness repair and component testing.

Body And Interior Repair:

Guidance on interior trim removal, body panel adjustments, and minor bodywork.

Installation Procedures:

Instructions for installing various components and accessories.

Depth:

Comprehensive; covers everything from basic maintenance to full engine and transmission rebuilds, including detailed electrical troubleshooting and wiring diagrams.

📊 Manual Specifications

Format:

PDF

Compatibility:

Windows, Mac, Linux

Printable:

Yes, all pages printable without restriction.

Binding Type:

Digital (N/A for physical binding)

Paper Type:

Digital (N/A for physical paper type)

Illustrations:

Hundreds of detailed illustrations, drawings, and photos.

Instructions:

Step-by-step numbered instructions.

Critical Information:

Notes, cautions, and warnings throughout each chapter.

Navigation:

Numbered table of contents for quick information retrieval.

Electrical Diagrams:

Detailed wiring diagrams integrated with troubleshooting and electrical service procedures.

⚙️ Engine Specifications

Engine Type:

3.0L (2990cc) M6.08/6.09 Inline 4-Cylinder (24-valve DOHC)

Bore X Stroke:

104.0 mm x 88.0 mm

Compression Ratio:

11.0:1

Horsepower:

236 hp (176 kW) @ 6200 rpm

Torque:

225 lb-ft (305 Nm) @ 4800 rpm

Fuel Delivery:

Bosch Motronic (LH-Jetronic) Multi-point Fuel Injection

Fuel Type:

Unleaded Premium Gasoline (91 octane or higher recommended)

Oil Capacity:

Approximately 8.5 liters (with filter change)

Recommended Oil Viscosity:

5W-40, 10W-40, or 15W-50 (depending on climate), refer to manual for specific Porsche A40 or A3/B4 specifications.

🔧 Transmission

Type:

6-speed Manual Transaxle (G50/20)

Type:

Tiptronic Automatic Transaxle (4-speed)

Transaxle Oil Capacity Manual:

Approximately 3.0 liters

Transaxle Oil Type Manual:

GL-5 Gear Oil (e.g., Mobil 1 75W-90 or equivalent, refer to manual for specific Porsche approval).

Transaxle Oil Capacity Automatic:

Approximately 5.5 liters (with torque converter)

Transaxle Oil Type Automatic:

Dexron III ATF or equivalent (refer to manual for specific Porsche approval).

📐 Dimensions

Length:

Approximately 4430 mm (174.4 in)

Width:

Approximately 1730 mm (68.1 in)

Height:

Approximately 1280 mm (50.4 in)

Wheelbase:

Approximately 2450 mm (96.5 in)

Curb Weight:

Approximately 1470 kg (3241 lbs) for manual Coupe

Gross Vehicle Weight Rating:

Varies by model and options, consult manual.

Cargo Volume:

Front trunk (frunk) and rear luggage space, capacity varies by body style.

🛡️ Safety Features

Crash Test Information:

While specific modern crash test ratings for the 968 are limited due to its era, it was designed to meet contemporary safety standards of the early 1990s. The manual will contain details on its safety features.

ABS:

Anti-lock Braking System (ABS) standard on most models.

Traction Control:

Traction control system (ASR - Automatic Slip Regulation) was an optional feature on some models.

Airbags:

Driver and passenger airbags standard.

Seat Belts:

Three-point inertia-reel seat belts with pre-tensioners.

Rollover Protection:

Pop-up rollover protection bar for Cabriolet models.

💡 Technology Features

Audio System:

Factory-fitted radio/cassette or CD player options, typically with premium speaker systems.

Cruise Control:

Standard or optional cruise control system.

Power Features:

Power windows, power mirrors, central locking.

🔧 Maintenance

Oil Change Interval:

Every 10,000 miles or 1 year, whichever comes first. (Consult manual for specific Porsche recommendations).

Timing Belt Replacement:

Crucial for the 968's 4-cylinder engine. Recommended every 60,000 miles or 5 years. Failure to replace can result in catastrophic engine damage. Manual provides detailed replacement procedure.

Spark Plug Replacement:

Every 30,000 miles or as specified in the manual.

Coolant Flush:

Every 2-3 years or as per manual recommendations.

Brake Fluid:

DOT 4 recommended. Manual specifies Porsche's approved fluid.

Power Steering Fluid:

Typically CHF 11S or equivalent hydraulic fluid. Refer to manual for exact Porsche specification.

Timing Chain Tensioner:

Hydraulic tensioner can weaken over time, leading to potential chain slap or stretching. Manual provides inspection and replacement procedures.

Fuel Pump Reliability:

Early models may experience fuel pump wear. Manual details diagnosis and replacement.

Window Regulator Motors:

Power window motors can become slow or fail. Manual covers their repair and replacement.

Cv Joint Boots:

Wear and tear on CV joint boots can lead to grease loss and premature failure. Manual details inspection and replacement.

ABS Sensor Failure:

ABS sensors can fail due to age or debris. Manual provides diagnostic procedures.

📚 Vehicle History

Manufacturer:

Porsche AG

Brand Focus:

Performance sports cars known for engineering excellence and driving dynamics.

Predecessor:

Porsche 944 (S2)

Platform:

Transaxle platform, shared roots with the 924 and 944, but significantly re-engineered.

Key Innovations:

Debut of the 3.0L 16-valve inline-4 engine, updated transaxle, improved aerodynamics, and modern styling.

Production Years:

1991-1995

Manufacturing Plant:

Neckarsulm, Germany (initially shared with Audi)

Total Production Numbers:

Approximately 12,319 units worldwide.

🏆 Awards & Recognition

Market Reception:

While not a recipient of specific annual awards in the same way as some modern cars, the 968 was praised for its handling, performance, and unique styling, representing the pinnacle of Porsche's front-engined, rear-wheel-drive transaxle sports cars.