1975-1989 Porsche 911 Turbo (930) Workshop Manual
Covers 911 Turbo (930) models with procedures for engine, transmission, chassis, body, and electrical systems. Ref: US-Order No. WKD 481 321.
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Models Covered & Key Technical Specifications
Precision Maintenance Assembly Manual: Porsche 911 Turbo Carrera (Type 930) Workshop Manual 1975–1989 Documentation-Set
Porsche 911 Turbo (930) (US-Order No. WKD 481 321) -- 1975–1989. Documentation | Package.
- Factory Locking Torques: 50-55 Nm establishes the base data for securing the crankshaft.
- Certified Containment Volume: 12.5 L is the specific fill for the crankcase during lubrication procedures.
- Engineered Running Clearance: 0.053 - 0.077 mm defines the optimal gap between piston and cylinder.
- Primary Heat Tolerance: 150°C signifies the maximum operating temperature for key engine components.
- General Weight Data: 176 kg is the approximate weight of the transmission assembly.
- Integral Threaded Fastener Data: M 10 x 1.5 specifies the thread size for critical engine bolts.
Professional Workshop Service Manual & Technical Specifications
Precision Maintenance Assembly Manual: Porsche 911 Turbo Carrera (Type 930) Workshop Manual 1975–1989 Documentation-Set
Repair-Classification: 1975-1989 Porsche 911 Turbo (930) // Engineering-Base: Car / Engine Logic // Repair-Classification: Document Listing.
Technical Specs Table (3-Column)
| Metric | Baseline | Framework |
|---|---|---|
| Engine Code | 930/30 (3.0L), 930/33 (3.3L) | - |
| Bore | 95/3.74 mm/inch | 97/3.82 mm/inch |
| Stroke | 70.4/2.77 mm/inch | 74.4/2.93 mm/inch |
| Compression Ratio | 6.5 : 1 | 7.0 : 1 |
| Max. Engine Speed | 6700 rpm | 6000 rpm |
| Weight of Engine with Air Cleaner (Dry) | 217/478 kg/lbs | 240/529 kg/lbs |
TOC Summary Block
Following OEM groupings, the manual includes sections on:
- Engine - Crankcase, Crankshaft, Piston, Cylinders, Valves, Camshaft
- Transmission - Manual Transmission, Controls, Clutch
- Chassis - Front Suspension, Rear Suspension, Wheels, Brakes, Steering
- Electricals - Instruments, Radio, Ignition System, Wiring
- Fuel System - Fuel Pump, Fuel Distributor, Air Flow Sensor
Prose Paragraphs
This workshop manual documents the procedures and specifications necessary for the maintenance and repair of the Porsche 911 Turbo (Type 930) models from 1975 to 1989. It covers the engine, transmission, chassis, body, and electrical systems in detail. Information is organized by repair group and includes technical data, diagrams, and step-by-step instructions.
Engine and Transmission Systems
Detailed procedures for engine assembly, disassembly, and adjustment are provided, including information on the crankshaft, pistons, cylinders, valves, and camshaft. The manual also covers manual transmission, clutch controls, and driveshaft specifications, offering torque values and repair guidelines for these critical components.
Chassis and Bodywork
Guidance for the suspension, brakes, and steering systems is included, along with sections on bodywork and interior equipment. This ensures comprehensive coverage for all aspects of vehicle maintenance and repair.
Electrical and Fuel Systems
Information on the ignition system, electrical components, and fuel injection system (CIS) is thoroughly documented. This includes testing and adjusting procedures for fuel pumps, distributors, and air flow sensors, essential for optimal performance.
This manual documents torque specifications for key engine components to ensure proper rotational loosening prevention.
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