🏷️ Basic Information Identification Make: Porsche Model: 968 Year: 1985 Codes Chassis Code: E968 (Assumed for the context of the manual's naming) 👋 Introduction Market Position Target Audience: Porsche Enthusiasts, Independent Porsche Specialists, Certified Technicians Competitive Analysis Value Proposition: Provides the definitive, factory-authorized information for diagnosing and repairing the 1985 Porsche 968. Key Features Uniqueness: Contains detailed schematics, step-by-step repair instructions, and critical specifications not found in general automotive guides. 📋 Manual Details Coverage Areas Regions Covered: Global (Assuming typical for Porsche service manuals) Page Count Estimated Page Count: 700-1200 (Typical for comprehensive Porsche service manuals) Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: Printed Book (Implied by 'professional book') 📖 Manual Coverage Systems Covered Powertrain: Engine Mechanical, Fuel System, Ignition System, Exhaust System, Cooling System, Lubrication System Drivetrain: Transmission (Manual/Tiptronic), Clutch, Driveshafts, Differential, Axles Chassis: Suspension (Front/Rear), Steering System, Brake System (ABS/Non-ABS), Wheels and Tires Electrical: Wiring Diagrams, Lighting System, Instrument Cluster, Power Accessories, Charging System, Starting System, Engine Control Unit (ECU) Body And Interior: Body Panels, Doors, Hood, Trunk, Interior Trim, Seats, HVAC System, Safety Restraints (Airbags, Seatbelts) Procedures Included Maintenance: Scheduled Maintenance Intervals, Fluid Checks and Changes, Filter Replacements, Spark Plug Service, Belt Inspections Diagnostics: Troubleshooting Guides, Symptom-Based Diagnosis, Fault Code Interpretation, Component Testing Repair: Component Removal and Installation, Overhaul Procedures, Component Adjustment, Torque Specifications Special Tools: Identification and Usage of Porsche Special Tools Technical Depth Depth: Comprehensive: Covers basic to advanced repair and overhaul procedures. 📊 Manual Specifications File Format Digital Format Options: N/A (Product is described as a book) Print Quality Print Quality: High-Quality Professional Printing (Implied by 'professional book') Binding Type Binding: Professional Binding (e.g., Hardcover or Durable Softcover) Paper Type Paper Quality: Durable, Glossy Paper (Typical for technical manuals) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-Cylinder, 16-Valve, Transaxle Configuration Displacement: 3.0 Liters (2990 cc) Bore X Stroke: 104.0 mm x 88.0 mm Compression Ratio: 11.0:1 Valvetrain: Dual Overhead Camshafts (DOHC), Hydraulic Valve Lifters Performance Horsepower Hp: 236 hp @ 6200 rpm Torque Lb Ft: 225 lb-ft @ 4200 rpm Fuel System Injection System: Bosch Motronic Electronic Fuel Injection (EFI) Fuel Type: Unleaded Premium Gasoline (91 Octane or higher) Engine Management Ignition System: Distributorless Ignition System (DIS) ECU: Bosch Motronic ECU (Specific variant depends on market) 🔧 Transmission Standard Type: 6-Speed Manual Transaxle (M6A) Optional Type: Tiptronic Automatic Transaxle (Optional) Features Clutch Type: Hydraulically Operated Single Dry Plate Clutch Fluid Specs Manual Transmission Fluid: Porsche Spec. (e.g., ATF Dexron II or equivalent, refer to manual for exact spec) Automatic Transmission Fluid: Porsche Spec. (e.g., ATF Dexron II or equivalent, refer to manual for exact spec) 📐 Dimensions Exterior Length: 4430 mm (174.4 in) Width: 1735 mm (68.3 in) Height: 1270 mm (50.0 in) Wheelbase: 2500 mm (98.4 in) Weights Curb Weight: Approx. 1400-1500 kg (3086-3307 lbs) depending on equipment Gross Vehicle Weight Rating: Refer to Vehicle Data Sticker Cargo Trunk Volume: Approx. 150 Liters (5.3 cu ft) (Front trunk) 🛡️ Safety Features Ratings Crash Test Results: N/A (Vehicle safety testing standards were different in 1985) Active Features ABS: Anti-lock Braking System (ABS) - Optional on some models Traction Control: Not typically equipped Passive Features Airbags: Driver airbag standard from 1990 onwards, may not be present in earlier models or specified within this manual context Seatbelts: 3-Point Inertia-Reel Seatbelts Rollover Protection: Integrated Roll-Over Protection Structure 💡 Technology Features Infotainment Audio System: Factory AM/FM Cassette Player with optional CD Changer (Model dependent) Driver Assistance Cruise Control: Standard on most models Connectivity Diagnostics Port: OBD-I diagnostic port, often proprietary Porsche connector Climate Control HVAC System: Manual or Automatic Climate Control (Model dependent) 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 - 10,000 miles or 12 months (Refer to manual for specific conditions) Timing Belt Replacement: Every 30,000 - 40,000 miles or 3-4 years (Crucial maintenance item for this engine) Fluid Specifications Engine Oil Specification: API SG, SAE 5W-40 or 10W-40 (Refer to manual for exact Porsche approval) Coolant Specification: Glysantin G48 or equivalent silicate-free antifreeze concentrate (50/50 mix with distilled water) Fluid Capacities Engine Oil Capacity: Approx. 8.0 Liters (8.5 US Quarts) with filter change Known Issues Common Problems: Timing belt failure risk, fuel distributor issues, window regulator failure, transaxle mounts, ABS sensor faults. Technical Specifications Spark Plugs: Bosch WR 7 DC or equivalent (Refer to manual for specific type and gap) Brake Fluid: DOT 4 (Refer to manual for specific Porsche approval) 📚 Vehicle History Brand Heritage Brand Focus: Porsche is renowned for its sports car heritage, performance engineering, and motorsport success. Model Evolution Predecessor: Porsche 944 Development: The 968 was an evolution of the 944, featuring significant updates including a new 3.0L engine, updated styling, and improved interior. It was a significant departure from the 944's design lineage. Production Production Years: 1991-1995 (Note: The manual is for...