🏷️ Basic Information

Make:

Porsche

Model:

968

Year:

1992

Chassis Code:

944 S3 / G3

👋 Introduction

Market Position:

The Porsche 968 represented the pinnacle of front-engined, rear-wheel-drive sports cars for Porsche in the early 1990s, evolving from the 924 and 944 lineage with significant updates.

Competitors:

Competed against high-performance coupes like the Chevrolet Corvette C4, Nissan 300ZX (Z32), Toyota Supra (MKIV), and Mazda RX-7 (FD).

Key Features:

Transaxle layout for optimal weight distribution, powerful 3.0L 16-valve inline-4 engine with balance shafts, innovative transaxle design, sleek aerodynamic styling, and sophisticated chassis engineering.

📋 Manual Details

Systems Covered:

Engine, Fuel System, Ignition System, Exhaust System, Clutch, Transmission (Manual & Tiptronic), Driveshafts, Suspension (Front & Rear), Steering, Brakes, Electrical System (Wiring Diagrams, ECUs), Climate Control, Body & Chassis, Interior, Body Exterior Panels, Instrumentation, Body Exterior Trim & Accessories

Page Count:

Approximately 1500+

Manual Type:

Factory Authorized Service & Repair Manual

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Engine:

Detailed overhaul procedures for the 3.0L M44.07 inline-4 engine, including timing belt replacement, valve adjustment, lubrication system, cooling system, and fuel injection diagnostics.

Transmission:

Comprehensive repair and overhaul for the 6-speed manual transaxle (G96/00) and the 4-speed Tiptronic automatic transmission (A82.33), including clutch replacement and torque converter service.

Electrical:

Complete wiring diagrams for all major systems, ECU component identification, troubleshooting guides for common electrical faults, and diagnostic procedures for systems like ABS and airbag (if equipped).

Maintenance:

Routine maintenance schedules, oil change procedures, filter replacements, spark plug replacement, brake fluid flush, coolant flush, belt inspection and replacement.

Repair:

Detailed step-by-step instructions for component removal, installation, and adjustment, including engine rebuilds, transmission overhauls, suspension component replacement, brake caliper overhauls, and body panel repair.

Troubleshooting:

Diagnostic flowcharts and symptom-based troubleshooting guides for common issues related to engine performance, electrical systems, braking, and HVAC.

Technical Depth:

Advanced diagnostics, complete engine and transmission rebuilds, suspension geometry alignment, electrical system tracing, and bodywork repair.

📊 Manual Specifications

File Format:

Searchable PDF with high-resolution diagrams and images.

Print Quality:

High clarity for text and diagrams, suitable for printing.

Binding Type:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Type:

Naturally Aspirated Inline 4-Cylinder

Engine Code:

M44.07

Displacement:

2998 cc (3.0 Liters)

Bore X Stroke:

104.0 mm x 88.0 mm

Compression Ratio:

11.0:1

Horsepower:

237 bhp @ 6200 rpm

Torque:

225 lb-ft @ 4800 rpm

Fuel Injection:

Bosch Motronic M2.10 Fuel Injection and Ignition System

Fuel Type:

Unleaded Premium Gasoline (91 Octane or higher recommended)

Valvetrain:

Dual Overhead Camshafts (DOHC), 4 Valves per Cylinder, Chain-driven

Cooling System:

Pressurized Liquid Cooling System

Oil Capacity With Filter:

7.5 Liters (7.9 US Quarts)

Timing Belt Replacement Interval:

Every 60,000 miles or 4 years

Engine Balance:

Internally balanced with two counter-rotating balance shafts.

🔧 Transmission

Transmission Type:

6-Speed Manual Transaxle

Manual Transmission Code:

G96/00

Transmission Type:

4-Speed Tiptronic Automatic Transaxle

Tiptronic Transmission Code:

A82.33

Transaxle Layout:

Rear transaxle design combining clutch, transmission, and differential.

Manual Transmission Fluid Type:

Porsche G 052 145 A2 (or equivalent API GL-4 75W-90 synthetic)

Automatic Transmission Fluid Type:

Porsche ATF 3353 (or equivalent Dexron III/Mercon)

Manual Transmission Fluid Capacity:

2.7 Liters (2.9 US Quarts)

Automatic Transmission Fluid Capacity:

Approximately 7.0 Liters (7.4 US Quarts)

📐 Dimensions

Length:

4435 mm (174.6 inches)

Width:

1735 mm (68.3 inches)

Height:

1270 mm (50.0 inches)

Wheelbase:

2500 mm (98.4 inches)

Front Track:

1470 mm (57.9 inches)

Rear Track:

1450 mm (57.1 inches)

Curb Weight Manual:

1480 kg (3263 lbs)

Curb Weight Tiptronic:

1520 kg (3351 lbs)

Gross Vehicle Weight Rating:

1850 kg (4079 lbs)

Standard Wheel Size:

17 x 7.0J (Front), 17 x 9.0J (Rear)

Standard Tire Size:

205/50 ZR17 (Front), 255/40 ZR17 (Rear)

Wheel Bolt Pattern:

5 x 130 mm

Cargo Volume:

Convertible top stows under a rear cover, limited cargo space behind seats.

🛡️ Safety Features

Safety Ratings:

No official NHTSA or IIHS ratings available for this specific model year and vehicle type.

ABS:

Standard Bosch ABS III system.

Traction Control:

Optional (limited availability in early models).

Airbags:

Driver's side airbag standard.

Seatbelts:

3-point inertia-reel seatbelts.

Rollover Protection:

Integrated roll-over protection bars behind seats.

💡 Technology Features

Infotainment System:

Factory original cassette radio with CD changer input capability. Optional Bose sound system available.

Driver Assistance Features:

ABS (Anti-lock Braking System) is the primary driver assistance feature.

Connectivity Options:

Limited to factory radio and optional CD changer integration.

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles or 12 months, whichever comes first.

Brake Fluid Change Interval:

Every 2 years.

Coolant Change Interval:

Every 2 years.

Engine Oil Specification:

API SG or higher, SAE 0W-40 or 5W-40 synthetic recommended.

Power Steering Fluid Type:

Pentosin CHF 11 S (or equivalent hydraulic system fluid)

Brake Fluid Type:

DOT 4.

Common Issues:

Timing belt tensioner wear, fuel injector issues, occasional overheating due to cooling system design, electrical connector corrosion, window regulator failure, ABS sensor issues.

Timing Belt Kit Part Number:

944.105.231.01 (example, verify with VIN)

Oil Filter Part Number:

996.107.200.01 (or equivalent Mahle OX157)

📚 Vehicle History

Brand Heritage:

Porsche has a long-standing reputation for producing high-performance sports cars with exceptional engineering and driving dynamics.

Model Evolution:

The 968 is the final iteration of Porsche's front-engine, rear-drive transaxle sports car series, building upon the foundations of the 924 and 944. It featured a significant redesign and a new, larger engine.

Production Years:

1991-1995

Production Location:

Stuttgart, Germany (Porsche AG)

Total Production Units:

Approximately 12,700 units worldwide.

🏆 Awards & Recognition

Recognitions:

While the 968 itself didn't receive specific major awards, it inherited Porsche's consistent recognition for engineering excellence and driving dynamics.

Enthusiast Ratings:

Highly regarded by automotive enthusiasts for its driving purity, unique engine, and a more analog driving experience compared to contemporary competitors.