🏷️ Basic Information Identification Make: Porsche Model: 911 Generation: 964 Production Years Covered By Manual: 1989-1994 Codes Chassis Code: 964 👋 Introduction Market Position Vehicle Segment: Performance Sports Car / Grand Tourer Target Audience: Enthusiast owners, independent Porsche specialists, and restoration shops. Competitive Analysis Manual Value Proposition: Provides factory-level technical data and procedures essential for maintaining and repairing the iconic 964. Key Features Completeness: Extensive coverage exceeding 1000 pages, encompassing nearly all aspects of the vehicle. Format Flexibility: PDF allows for easy searching, printing of specific sections, and digital accessibility. Visual Aids: Rich with illustrations, pictures, and diagrams, enhancing understanding and accuracy. 📋 Manual Details Coverage Areas General: Included Diagnosis: Included Engine: Included Fuel And Exhaust: Included Transmission Automatic: Included Transmission Manual: Included Running Gear Suspension Steering Brakes: Included Body: Included Body Exterior: Included Body Interior: Included Air Conditioning And Electrical Systems: Included Wiring Diagrams: Included Page Count Total Pages: 1000+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed coverage of air-cooled flat-six engine assembly, disassembly, component testing, and specifications. Engine Management: Diagnosis and repair procedures for Motronic engine management system, fuel injection, ignition, and emissions control. Fuel System: Inspection and repair of fuel pump, fuel lines, fuel injectors, and fuel tank components. Exhaust System: Service and replacement of exhaust manifolds, catalytic converters, mufflers, and heat exchangers. Manual Transmission: Complete overhaul and repair procedures for the G50 five-speed transaxle. Automatic Transmission: Diagnosis, maintenance, and repair of the Tiptronic (or standard automatic) transmission option. Suspension System: Detailed information on front and rear suspension components, shock absorbers, springs, and bushings. Steering System: Repair and adjustment of the power steering system and steering rack. Brake System: Service procedures for hydraulic brake system, including ABS (Anti-lock Braking System), brake fluid, calipers, rotors, and pads. Wheel And Tire: Specifications for wheel bolt patterns, tire sizes, and torque values. Body Structure: Information on chassis and body panel repair, alignment, and structural components. Exterior Trim And Accessories: Repair and replacement of bumpers, spoilers, mirrors, door handles, and trim pieces. Interior Trim And Upholstery: Guidance on interior panel removal, seat adjustment, and trim components. Climate Control System: Diagnosis and repair of the HVAC (Heating, Ventilation, and Air Conditioning) system, including refrigerant and component service. Electrical System: Comprehensive coverage of automotive electrics, including battery, alternator, starter, lighting, and accessories. Instrument Panel And Gauges: Troubleshooting and repair of dashboard instrumentation and warning lights. Lighting System: Headlights, taillights, interior lighting, and electrical circuit troubleshooting. Windshield Wipers And Washers: Service and repair of the wiper system. Wiring Diagrams Schematics: Detailed electrical schematics for all vehicle systems, crucial for diagnostics. Procedures Included Scheduled Maintenance: Detailed maintenance schedules and procedures for oil changes, filter replacements, and tune-ups. Troubleshooting Guides: Systematic troubleshooting trees and diagnostic flowcharts for common and rare problems. Component Replacement: Step-by-step instructions for replacing major and minor components. Engine Rebuilding: Comprehensive guidance on engine disassembly, inspection, repair, and reassembly. Transmission Overhaul: Detailed procedures for the complete rebuilding of both manual and automatic transmissions. Brake System Service: Procedures for brake pad replacement, rotor resurfacing/replacement, caliper service, and bleeding the brake system. Electrical Diagnosis And Repair: Techniques for tracing electrical faults, testing components, and repairing wiring harnesses. Ac System Service: Procedures for refrigerant handling, system evacuation, charging, and component replacement. Wheel Alignment And Balancing: Specifications and procedures for wheel alignment and balancing. Body Panel Repair And Replacement: Guidelines for fixing dents, rust, and replacing body panels. Interior Trim Removal And Installation: Step-by-step guides for accessing components behind interior panels. Technical Depth Depth: Comprehensive (from basic maintenance to full engine/transmission rebuilds and complex electrical diagnostics). Diagnostic Capability: Advanced diagnostic procedures leveraging factory knowledge for electronic and mechanical systems. Repair Complexity: Covers all levels of repair, from routine maintenance to major component overhauls and bodywork. Illustrations And Diagrams: Numerous detailed illustrations, line drawings, and photographs to clarify procedures. Troubleshooting Methodology: Structured approach to identifying and resolving faults efficiently. 📊 Manual Specifications File Format Type: Digital (PDF) Print Quality Usability On Print: Printable pages allow for portable use in a workshop environment. Image Resolution: High-resolution images and diagrams suitable for detailed viewing. Binding Type Format Advantage: PDF format eliminates physical binding limitations; individual pages can be printed as needed. Paper Type N/A: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, naturally aspirated, flat-six (Boxer) Engine Codes: M64 series (e.g., M64/01, M64/02, M64/03) Displacement Cc: 3600cc (3.6 Liters) for most models, some variants like Turbo/RS had different displacements. Performance Horsepower Hp Approx: 250-360 hp (depending on model: Carrera 2, Carrera 4, RS, Turbo variants) Torque Lb-Ft Approx: 228-330 lb-ft (depending on model) Fuel System Fuel Injection: Bosch Motronic (e.g., Motronic 1.2 or 2.1) Fuel Type: Unleaded Premium Gasoline (95-98 RON) Lubrication Oil Type And Capacity: Synthetic Engine Oil (e.g., Mobil 1 0W-40...
Automatic: Tiptronic (4-speed, introduced later in the 964 generation, or standard automatic variants).
Features
Drive Layout:
Rear-wheel drive (Carrera 2) or All-wheel drive (Carrera 4)
Fluid Specifications
Manual Transmission Fluid:
Gear Oil GL-5 (e.g., Mobilube 1 SHC 75W-90 or equivalent), capacity ~2.3 liters (check manual for specifics).
Automatic Transmission Fluid:
Dexron III or equivalent, capacity ~5-6 liters (check manual for specifics).
📐 Dimensions
Exterior
Length Mm:
~4250 mm
Width Mm:
~1775 mm
Height Mm:
~1310 mm
Weights
Curb Weight Kg:
~1450-1550 kg (depending on model and options)
🛡️ Safety Features
Ratings
Crash Test Data:
While formal crash test ratings like NHTSA/Euro NCAP were less standardized in the early 90s, the 964 featured a robust chassis and energy-absorbing crumple zones inherent to Porsche engineering.
Active Features
ABS:
Bosch ABS (Anti-lock Braking System) was standard or optional depending on model year and market.
Passive Features
Airbags:
Driver airbag became standard during the 964's production run. Passenger airbag optional on some later models.
Seatbelts:
Three-point inertia-reel seatbelts.
Chassis Design:
Integrated safety cage and reinforced A-pillars.
💡 Technology Features
Infotainment
Audio System:
Factory-installed radio/cassette systems, often with amplifier upgrades available. Manual covers basic wiring and speaker replacement.
Driver Assistance
ABS:
Standard or optional Anti-lock Braking System for enhanced braking control.
All Wheel Drive:
Carrera 4 models feature a mechanically controlled all-wheel-drive system for improved traction.
Connectivity
N/A:
Limited by era; no modern Bluetooth or smartphone integration from factory. Manual can assist in integrating aftermarket solutions.
🔧 Maintenance
Service Intervals
Oil Change:
Typically every 10,000-15,000 km or annually, whichever comes first (check manual for exact interval and oil type).
Major Service:
Recommended every 30,000-50,000 km, often involving spark plug replacement, belt inspection/replacement, and brake fluid flush.
Fluid Specifications
Brake Fluid:
DOT 4 (e.g., Bosch DOT 4 or equivalent), flush every 2 years.
Power Steering Fluid:
Pentosin CHF 11S or equivalent.
Coolant:
Porsche approved ethylene glycol-based coolant, mixed 50/50 with distilled water. Check manual for specific type and capacity.
Known Issues
Crankshaft Bearing Seizure:
Risk on early models, especially if not maintained or driven hard with inadequate oil temperature. Manual covers checking and potential preventative measures.
Valve Stem Seals:
Can degrade over time, leading to oil consumption and blue smoke on startup. Manual details inspection and replacement procedures.
Fuel Pump And Relay Failure:
Common wear items that can lead to starting issues. Manual provides diagnostic steps.
ABS Sensor Failure:
Can cause ABS warning lights and system malfunction. Manual includes troubleshooting for ABS sensors and control modules.
HVAC Blower Motor Resistor:
Failure can lead to inoperable fan speeds. Manual covers diagnosis and replacement.
Oil Cooler Leaks:
Hoses and seals can degrade, leading to oil leaks. Manual guides on inspection and replacement.
📚 Vehicle History
Brand Heritage
Porsche Legacy:
Continues the lineage of the iconic Porsche 911, building on decades of engineering excellence and motorsport success.
Model Evolution
Transition From G Body:
The 964 represented a significant modernization of the 911, introducing significant mechanical and aerodynamic changes over the preceding G-Series.
Key Innovations:
Introduction of standard ABS, power steering, Tiptronic transmission (later), coil springs replacing torsion bars, and a more aerodynamic body with integrated bumpers.
Production
Production Years:
1989-1994
Production Volume Approx:
~62,000 units across all variants.
Manufacturing Location:
Stuttgart, Germany
🏆 Awards & Recognition
Recognitions
Automotive Press Awards:
The 964 was generally well-received by automotive press for its driving dynamics, performance, and evolution of the 911 legacy, though some criticized its comfort and weight compared to earlier models.
Ratings
Enthusiast Ratings:
Highly regarded by enthusiasts as a bridge between classic air-cooled Porsches and modern iterations, offering a rewarding driving experience and a robust mechanical platform.
Certifications
N/A:
N/A (Manuals are not certified, but their content reflects factory specifications.)
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