🏷️ Basic Information

Make:

Porsche

Model:

911 Carrera / Carrera 4

Chassis Code:

964

Model Years Covered:

1989, 1990, 1991, 1992, 1993

Engine Codes Typical:

M64.01, M64.02, M64.03, M64.04

👋 Introduction

Positioning:

The Porsche 911 964 generation represented a significant evolution, blending classic 911 design with modern engineering, making it a desirable modern classic. This manual is essential for owners and technicians servicing these iconic vehicles.

Competitors:

Ferrari 348, Chevrolet Corvette C4, Lotus Esprit

Vehicle Highlight:

The 964 generation was the first 911 to offer Tiptronic automatic transmission and all-wheel drive (Carrera 4).

Manual Value Proposition:

Provides factory-level diagnostic and repair information, empowering DIY enthusiasts and professional mechanics to maintain and restore the 964 with confidence.

📋 Manual Details

Primary Coverage:

Full Service, Repair, Maintenance, Diagnostics, Troubleshooting

Additional Coverage:

Electrical Schematics, Bodywork, Specifications

Estimated Page Count:

1000+

Type:

Factory Service Manual / Workshop Manual

Source:

Original Factory Service Manual

Language:

English

Digital Format:

PDF

Operating Systems:

Windows 95, 98, ME, XP, Vista, 7; Linux; MAC OS.

📖 Manual Coverage

Powertrain:

Engine (M64 variants), Fuel System, Ignition System, Exhaust System, Cooling System

Transmission Drivetrain:

G50 5-Speed Manual Transmission, Tiptronic Automatic Transmission (if applicable), Clutch System, Driveshafts, Differential

Suspension Steering:

Front Suspension (Coil Springs, Torsion Bars, Control Arms), Rear Suspension (Trailing Arms, Spring Plates), Shock Absorbers, Power Steering System

Brakes:

Hydraulic System, ABS (Anti-lock Braking System), Brake Discs, Calipers, Pads, Lines

Electrical Electronics:

Battery, Alternator, Starter Motor, Lighting Systems, Ignition Switch, Fuses, Relays, Engine Control Unit (ECU), DME (Digital Motor Electronics), Instrument Cluster, Wiper System, Power Windows

Body Chassis:

Body Panels, Doors, Hood, Trunk, Bumpers, Chassis Structure, Sealing, Paintwork Procedures (general guidance)

HVAC:

Air Conditioning System, Heating System, Ventilation

Fuel Pump Replacement:

Detailed instructions for accessing and replacing the fuel pump assembly.

Schematics Depth:

Comprehensive wiring diagrams for all major systems, including engine management, lighting, comfort features, and power accessories.

Maintenance:

Oil Changes, Filter Replacements (Oil, Air, Fuel), Spark Plug Replacement, Brake Fluid Flush, Coolant Flush, Belt Inspection/Replacement

Diagnostics Troubleshooting:

Fault Code Diagnosis (DME), System Checks, Symptom-Based Troubleshooting Guides

Repair Rebuild:

Engine Top-End Rebuild, Engine Complete Rebuild, Transmission Removal/Installation/Rebuild, Clutch Replacement, Brake Caliper Overhaul, Suspension Component Replacement, Electrical Component Repair

Calibration Adjustment:

Valve Clearance Adjustment, Idle Speed Adjustment, Steering Wheel Alignment Checks

Body Repair:

Panel alignment, door and window sealing, bumper repair/replacement, rust prevention/repair guidance.

Specific Diagnostics:

Detailed procedures for diagnosing DME faults using diagnostic tools and interpreter codes. Troubleshooting electrical circuits, fuel delivery issues, and ignition problems.

Depth:

Comprehensive: From basic routine maintenance to in-depth mechanical and electrical diagnostics and component overhauls.

📊 Manual Specifications

PDF Quality:

High-Resolution Scans, Searchable Text (OCR)

Printable:

Yes, pages are generally formatted for printing.

Print Quality:

N/A (Digital Format)

Binding Type:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Type:

Naturally Aspirated, Air-Cooled Flat-Six (M64)

Displacement:

3.6 Liters (3600 cc)

Horsepower Range:

250 PS (247 hp) to 272 PS (268 hp) depending on model and year

Torque Range:

310 Nm (229 lb-ft) to 330 Nm (243 lb-ft) depending on model and year

Fuel Delivery:

Bosch Motronic M2.3, M2.4, or M2.7 Electronic Fuel Injection

Fuel Type:

Unleaded Gasoline

Cooling Method:

Air-Cooled with Oil Cooling Circuit

Oil Capacity Approx:

8.5 - 9.0 Liters (with filter)

🔧 Transmission

Standard Transmission:

G50 5-Speed Manual

Optional Transmission:

Tiptronic (4-Speed Automatic with Manual Override)

Drivetrain Options:

Rear-Wheel Drive (Carrera) and All-Wheel Drive (Carrera 4)

Manual Transmission Fluid Type:

GL-5 Gear Oil, SAE 75W-90 (typically Pentosin or equivalent)

Automatic Transmission Fluid Type:

Dexron III or equivalent (for Tiptronic)

📐 Dimensions

Wheelbase Mm:

2272

Length Mm:

4250

Width Mm:

1775

Height Mm:

1310

Curb Weight Kg Approx:

1450-1550 (depending on model)

Wheel Bolt Pattern:

5x130

Front Tire Size Typical:

205/55 R16

Rear Tire Size Typical:

245/45 R16

🛡️ Safety Features

Crash Test Data:

Limited official crash test data available for this era compared to modern standards. Design focused on driver protection within the chassis structure.

Active Safety:

Anti-lock Braking System (ABS), Optional All-Wheel Drive (Carrera 4)

Passive Safety:

Reinforced Chassis, Crumple Zones, Three-point Seatbelts, Optional Airbags (driver side from 1990 onwards)

💡 Technology Features

Infotainment System:

Basic radio/cassette systems from the era. Factory options included premium sound systems and CD changers.

Driver Assistance Features:

ABS (Anti-lock Braking System) was the primary advanced feature. No modern electronic stability control or adaptive cruise control.

Connectivity Features:

None by modern standards. Factory provisions for optional phone systems existed.

🔧 Maintenance

Oil Change Interval:

Typically every 10,000 km (6,000 miles) or 12 months, whichever comes first.

Major Service Interval:

Significant services including spark plug replacement, belt inspection/replacement, and fluid checks often recommended every 30,000-50,000 km (20,000-30,000 miles).

Engine Oil Specification:

Synthetic SAE 0W-40 or 5W-40, meeting Porsche A40 approval (e.g., Mobil 1, Castrol Edge).

Brake Fluid Specification:

DOT 4 High-Performance Brake Fluid

Coolant Type:

G12 or equivalent (Porsche approved, typically pink/red coolant for later models, but check specific recommendations for this era).

Common Wear Items:

Valve stem seals (oil consumption), front suspension bushings, engine mounts, clutch wear, fuel pump reliability, electrical connectors (corrosion).

Specific 964 Concerns:

Timing chain tensioners (early models), ODS (Oil Delivery System) leaks, ABS sensor failures, catalytic converter issues (emissions related).

📚 Vehicle History

Heritage:

Porsche's legacy is built on motorsport and performance. The 911 is its most iconic model, continuously evolved since its 1963 debut.

964 Generation:

The 964 generation (1989-1994) was a significant redesign of the 911. Approximately 85% of the car was new or modified, including a more aerodynamic body with integrated bumpers, power steering, ABS, and the introduction of the 3.6L M64 engine and AWD.

Production Years:

1989 - 1994

Manufacturing Location:

Stuttgart, Germany

🏆 Awards & Recognition

Automotive Press Reviews:

Consistently praised for its driving dynamics, handling, and timeless design. Often cited as a highly capable and engaging sports car of its era.

Collectibility:

The 964 generation is increasingly recognized as a collectible Porsche, bridging the gap between the classic air-cooled era and modern performance.