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Porsche

1989-1993 Porsche 911-964 Service Repair Manual

1989-1993 Porsche 911-964 Service Repair Manual

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$16.99
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Vehicle data plateRef 490324
Brand
Porsche
Vehicle
Cars
Models covered
911-964, 964
Years
1989, 1990, 1991, 1992, 1993
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

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🏷️ Basic Information
Identification
Make:
Porsche
Model:
911 (964 Generation)
Year:
1989-1993
Codes
Internal Model Code:
964
Generation
Generation Name:
964
Generation Years:
1989-1994 (with 1989 being the initial launch year, and this manual covering up to 1993 models)
👋 Introduction
Market Position
Vehicle Segment:
Luxury Sports Car / Grand Tourer
Target Audience:
Enthusiasts, owners, and independent repair shops specializing in air-cooled Porsche models.
Competitive Analysis
Competitors:
Ferrari 328/348, Lamborghini Countach/Diablo (early), Chevrolet Corvette C4 ZR-1.
Key Features
Manual Advantage:
Digital format allows for easy zooming, searching, and portability. Directly corresponds part numbers to specific pages for efficient use.
Vehicle Innovation:
The 964 generation marked a significant modernization of the 911, introducing Tiptronic automatic transmission, coil springs replacing torsion bars, power steering, and ABS.
📋 Manual Details
Coverage Areas
Models Covered:
1989, 1990, 1991, 1992, 1993 Porsche 911-964 (all variants including Carrera 2, Carrera 4, Targa, Cabriolet, Turbo variants if applicable to the 964 platform within these years)
Page Count
Page Count Estimate:
Not explicitly stated, but typical factory service manuals of this era are extensive, likely exceeding 1000 pages across various volumes or sections.
Manual Type
Type:
Factory Service Repair Manual (Electronic Version)
Language
Language:
English
Format
Format:
PDF
📖 Manual Coverage
Systems Covered
Electrical System:
Comprehensive coverage including wiring diagrams, component locations, diagnostic procedures for all electrical systems (lighting, ignition, fuel injection, HVAC, power accessories, ABS, etc.)
Engine Mechanical:
Detailed procedures for engine disassembly, inspection, assembly, and overhaul for the M64 engine family. Includes valve train, lubrication, cooling, intake, and exhaust systems.
Fuel System:
In-depth coverage of the fuel injection system (Bosch Motronic), fuel pump, injectors, fuel lines, fuel tank, and evaporative emissions control.
Power Unit:
Encompasses the entire powertrain, including engine (M64 flat-six), engine management, ignition, and exhaust systems.
Transmission Drivetrain:
Coverage for both the G50 manual gearbox and the Tiptronic automatic transmission (if applicable to the covered years/models), including clutch, drive axles, differentials, and AWD system for Carrera 4 models.
Suspension Steering:
Detailed information on front and rear suspension components, shock absorbers, springs, anti-roll bars, bushings, steering rack, power steering system, and wheel alignment specifications.
Brakes:
Comprehensive brake system coverage including hydraulic systems, master cylinder, brake lines, calipers, rotors, pads, ABS, and parking brake.
Body Chassis:
Information on body panels, structural components, doors, windows, bumpers, and corrosion protection.
HVAC:
Details on the climate control system, including operation, troubleshooting, and component replacement for the air conditioning and heating systems.
Procedures Included
Maintenance:
Scheduled maintenance procedures, fluid checks and changes, filter replacements, spark plug service, belt inspections, and general upkeep.
Troubleshooting:
Systematic diagnostic flowcharts and procedures for identifying and resolving common and complex issues across all vehicle systems.
Repair Overhaul:
Step-by-step instructions for component removal, installation, repair, and rebuilding for major systems (engine, transmission, brakes, suspension, etc.).
Diagnostic Testing:
Procedures for using specialized tools and equipment for diagnosing electrical and mechanical faults, including DME (Digital Motor Electronics) system diagnostics.
Rigging Information:
Specific instructions and precautions for lifting, towing, and handling the vehicle, including jacking points and recommended lifting equipment.
Technical Depth
Depth:
Comprehensive, from basic fluid checks and adjustments to complete engine and transmission rebuilds, including detailed torque specifications and tolerances.
📊 Manual Specifications
File Format
Compatibility:
Compatible with all versions of Windows and Mac operating systems.
Reader Requirement:
Requires Adobe PDF Reader.
Print Quality
Clarity:
High clarity, allowing for zoom functionality to view intricate details and diagrams.
Binding Type
Type:
Electronic (PDF) - No physical binding.
Paper Type
Type:
N/A (Digital Format)
⚙️ Engine Specifications
Primary Engine
Engine Code:
M64 (variants M64/01, M64/02, M64/03, etc.)
Engine Configuration:
Naturally aspirated, air-cooled, horizontally opposed (flat) six-cylinder
Displacement:
3.6 liters (3600 cc)
Performance
Horsepower Range:
Approximately 247 hp (Carrera 2/4) to 320 hp (911 Turbo 3.6, though Turbo variants might be outside the scope of a general 964 manual unless specified)
Torque Range:
Approximately 228 lb-ft (Carrera 2/4) to 289 lb-ft (911 Turbo 3.6)
Fuel System
Fuel Delivery:
Bosch Motronic M2.1, M2.3, M2.7 fuel injection and ignition management
Fuel Type:
Premium Unleaded Gasoline (91-92 Octane)
🔧 Transmission
Standard
Type:
G50 5-speed manual transaxle
Optional
Type:
Tiptronic (4-speed automatic with manual shifting mode) - introduced in later 964 models
Features
Carrera 4 Drivetrain:
Viscous coupling center differential for all-wheel drive system on Carrera 4 models.
📐 Dimensions
Exterior
Length:
Approx. 4250 mm (167.3 in)
Width:
Approx. 1650 mm (65.0 in)
Height:
Approx. 1310 mm (51.6 in)
Weights
Curb Weight:
Approx. 1450-1550 kg (3197-3417 lbs) depending on configuration (Carrera 2 vs Carrera 4, Coupe vs Cabriolet)
🛡️ Safety Features
Ratings
Crash Safety Era:
Modern safety standards for the late 80s/early 90s, including crumple zones and safety cage, but without modern airbag prevalence or side-impact structures of later vehicles.
Active Features
ABS:
Anti-lock Braking System (ABS) - standard on most 964 models
AWD:
All-wheel drive (Carrera 4 models) providing enhanced traction and stability.
Passive Features
Airbags:
Driver's airbag became standard during the 964 production run.
💡 Technology Features
Infotainment
Audio System:
Typically featured a premium Blaupunkt or Becker stereo system with cassette player. CD changers were optional on later models.
Driver Assistance
ABS:
Anti-lock Braking System (ABS) was a significant technological advancement for its time.
Connectivity
Early Automation:
Introduction of the Tiptronic automatic transmission offered a degree of selectable automatic shifting.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically every 7,500-10,000 miles or annually, whichever comes first, depending on driving conditions.
Major Service:
Major service items often recommended around 30,000-60,000 mile intervals, including spark plug replacement, belt inspection/replacement, brake fluid flush, and coolant check.
Fluid Specifications
Engine Oil Type:
API SG or higher, SAE 5W-40 or 10W-40 synthetic oil is commonly recommended for air-cooled engines under various temperature conditions. Specific Porsche A40 or similar approvals may be preferred.
Brake Fluid:
DOT 4 or DOT 5.1 brake fluid.
Transmission Fluid Manual:
GL-5 75W-90 or 80W-90 gear oil for G50 transmission.
Transmission Fluid Automatic:
Dexron III or equivalent for Tiptronic transmission.
Coolant Type:
Porsche recommends G48 (blue) or G12 (pink/red) coolant for later models, but early 964s may have used specific older Porsche formulations. Always verify with the manual.
Known Issues
Common Problem 1:
IMS (Intermediate Shaft) bearing – while not as prevalent as on later models, it's a potential concern. Proper maintenance is key.
Common Problem 2:
Oil leaks, particularly from the rear main seal and cam seals, due to age and heat cycles.
Common Problem 3:
PVC system issues leading to oil consumption or smoking.
Common Problem 4:
Delamination of the catalytic converter (on early models) or failure of the exhaust system.
Common Problem 5:
HVAC blower motor failures or AC system leaks.
Common Problem 6:
Wear on suspension bushings leading to imprecise handling.
📚 Vehicle History
Brand Heritage
Porsche Legacy:
Continuation of the iconic Porsche 911 lineage, representing a significant technological evolution while maintaining core design principles.
Model Evolution
964 Introduction:
Introduced in 1989 as the successor to the G-Series 911. It was the first major redesign of the 911 in 15 years.
964 Key Changes:
Significant changes included a new M64 engine, coil spring suspension, power steering, ABS, and updated aerodynamics (integrated bumpers).
Production
Production Years:
1989-1994
Manufacturing Location:
Stuttgart-Zuffenhausen, Germany
🏆 Awards & Recognition
Recognitions
Automotive Press Acclaim:
The 964 generation was generally well-received by automotive press for its performance and handling, though some critics noted the increased weight and comfort-oriented features compared to earlier 911s.
Ratings
Collectibility:
Increasingly collectible by Porsche enthusiasts, representing the last of the truly 'air-cooled' 911s before the introduction of the 996 generation.

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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