PORSCHE 968 Service Manual Repair Manual 1992-1995
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๐ท๏ธ Basic Information
Identification
Make:
Porsche
Model:
968
Model Designation:
968
Body Style:
Coupe and Convertible
Generation
Generation Code:
968 (often referred to as Type 968)
Codes
Vin Prefix:
WP0
๐ Introduction
Market Position
Positioning:
Premium sports car, successor to the 944, known for its refined engineering and performance.
Competitive Analysis
Competitors:
BMW M3 (E36), Chevrolet Corvette (C4), Nissan 300ZX (Z32), Toyota Supra (Mk IV).
Key Features
Transaxle Layout:
Rear transaxle for optimal weight distribution.
Engine Type:
3.0L Inline-4 with VarioCam variable valve timing.
Design Evolution:
Significant redesign of the 944 platform, introducing a more rounded and aerodynamic aesthetic.
๐ Manual Details
Coverage Areas
Covered Years:
1992, 1993, 1994, 1995
Page Count
Estimated Page Count:
1000+
Manual Type
Type:
Factory Service Manual / Repair Manual
Language
Language:
English
Format
Format:
Digital (Printable, CDROM, Hard Drive)
๐ Manual Coverage
Systems Covered
Engine:
Complete overhaul, rebuilding, performance tuning, timing belt service, serpentine belt routing, firing orders, troubleshooting, diagnostics.
Transmission:
Removal and installation, in-car servicing, features, optional types (Tiptronic mentioned implicitly).
Brakes:
Brake servicing procedures, complete torque specifications.
Suspension Steering:
Front end and alignment procedures and specifications, suspension components, U-joint and CV-joint service procedures.
Electrical Electronics:
Wiring diagrams, computer diagnostic trouble tree charts, computer diagnostic codes.
Climate Control:
Air conditioning service and capacities.
Fuel System:
Fuel system components, troubleshooting, engine performance.
Cooling System:
Cooling system service and capacities (implied by engine overhaul).
Bodywork:
Bodywork repair procedures (implied by complete dis-assembly).
Procedures Included
Maintenance:
Factory maintenance schedules and charts, routine servicing.
Repair:
Step-by-step repair procedures, complete dis-assembly and rebuilding, component replacement.
Troubleshooting:
Troubleshooting and diagnostics, drivability concerns, computer diagnostic codes.
Diagnostics:
Computer diagnostic trouble tree charts, detailed diagnostic procedures.
Technical Depth
Depth:
Comprehensive, from basic maintenance to complete engine overhaul and rebuilding.
Detail Level:
Detailed sub-steps, hundreds of photos and illustrations, enlarged insets for parts examination, numbered instructions, bold figure numbers.
๐ Manual Specifications
File Format
Digital Options:
Searchable text, printable pages, suitable for CDROM or hard drive storage.
Print Quality
Illustration Quality:
High-quality illustrations, drawings, and photos.
Binding Type
Binding Type:
N/A (Digital format, but designed for printable use)
Paper Type
Paper Type:
N/A (Digital format, but printable on standard paper)
โ๏ธ Engine Specifications
Primary Engine
Engine Code:
M60.30
Displacement:
3.0 Liters (2990 cc)
Configuration:
Inline-4 Cylinder
Valve Train:
DOHC, 4 valves per cylinder, VarioCam variable valve timing.
Performance
Horsepower:
237 hp @ 6200 rpm
Torque:
225 lb-ft @ 4800 rpm
Fuel System
Fuel Delivery:
Bosch Motronic electronic fuel injection (EFI).
Fuel Type:
Premium Unleaded Gasoline (91 octane recommended).
๐ง Transmission
Standard
Type:
6-speed manual transaxle.
Optional
Type:
Tiptronic automatic transaxle (optional on some models).
Features
Transaxle Design:
Integrated engine/transmission/differential unit in rear for optimal weight balance.
๐ Dimensions
Exterior
Length:
170.5 inches
Width:
68.5 inches
Height:
50.2 inches
Wheelbase:
99.4 inches
Weights
Curb Weight:
Approx. 3197 lbs (Coupe), 3307 lbs (Convertible)
๐ก๏ธ Safety Features
Ratings
Crash Test Results:
NHTSA ratings may vary; Porsche vehicles of this era are known for robust safety structures. Specific ratings not detailed in product info.
Active Features
Brakes:
ABS (Anti-lock Braking System) standard.
Passive Features
Airbags:
Driver's side airbag standard.
Body Construction:
Reinforced chassis and safety cage.
๐ก Technology Features
Infotainment
Audio System:
Premium sound systems (e.g., Blaupunkt) often standard or optional, with cassette and radio.
Driver Assistance
Cruise Control:
Standard cruise control.
Stability Control:
Traction control (ABD - Automatic Brake Differential on later models/specific options).
Connectivity
Phone Integration:
Not applicable for this era.
๐ง Maintenance
Service Intervals
Oil Change:
Refer to factory maintenance schedule within the manual (typically every 6,000-7,500 miles or annually).
Timing Belt:
Crucial replacement interval, refer to manual for exact mileage/time (e.g., 30,000 miles or 4 years).
Fluid Specifications
Engine Oil:
Refer to manual for specific viscosity and API rating (e.g., Mobil 1 0W-40 or equivalent).
Coolant:
Porsche approved coolant (e.g., G12 or equivalent with appropriate color coding).
Brake Fluid:
DOT 4 Brake Fluid.
Transmission Fluid:
Refer to manual for specific manual or Tiptronic fluid type (e.g., Pentosin MTF).
Known Issues
Common Concerns:
Timing belt failure leading to catastrophic engine damage, worn camshaft/valve guides (valve guide wear is a significant issue with the 4-cylinder), aging rubber components (hoses, mounts), electrical gremlins, HVAC system issues.
Common Repairs
Procedures Covered:
Valve guide replacement, timing belt replacement, water pump replacement, fuel injector service.
๐ Vehicle History
Brand Heritage
Brand Focus:
Performance-oriented sports cars, motorsport heritage.
Model Evolution
Predecessor:
Porsche 944.
Development:
Significant update and redesign from the 944, incorporating advanced technologies like VarioCam.
Production
Production Years:
1991-1995.
Manufacturing Location:
Stuttgart, Germany.
๐ Awards & Recognition
Recognitions
Automotive Press:
Generally well-received by automotive press for its performance and handling, though the inline-4 engine was sometimes compared unfavorably to the smoother inline-6 engines of competitors.
Ratings
Collector Status:
Increasingly recognized as a modern classic Porsche.
Tiptronic automatic transaxle (optional on some models).
Features
Transaxle Design:
Integrated engine/transmission/differential unit in rear for optimal weight balance.
๐ Dimensions
Exterior
Length:
170.5 inches
Width:
68.5 inches
Height:
50.2 inches
Wheelbase:
99.4 inches
Weights
Curb Weight:
Approx. 3197 lbs (Coupe), 3307 lbs (Convertible)
๐ก๏ธ Safety Features
Ratings
Crash Test Results:
NHTSA ratings may vary; Porsche vehicles of this era are known for robust safety structures. Specific ratings not detailed in product info.
Active Features
Brakes:
ABS (Anti-lock Braking System) standard.
Passive Features
Airbags:
Driver's side airbag standard.
Body Construction:
Reinforced chassis and safety cage.
๐ก Technology Features
Infotainment
Audio System:
Premium sound systems (e.g., Blaupunkt) often standard or optional, with cassette and radio.
Driver Assistance
Cruise Control:
Standard cruise control.
Stability Control:
Traction control (ABD - Automatic Brake Differential on later models/specific options).
Connectivity
Phone Integration:
Not applicable for this era.
๐ง Maintenance
Service Intervals
Oil Change:
Refer to factory maintenance schedule within the manual (typically every 6,000-7,500 miles or annually).
Timing Belt:
Crucial replacement interval, refer to manual for exact mileage/time (e.g., 30,000 miles or 4 years).
Fluid Specifications
Engine Oil:
Refer to manual for specific viscosity and API rating (e.g., Mobil 1 0W-40 or equivalent).
Coolant:
Porsche approved coolant (e.g., G12 or equivalent with appropriate color coding).
Brake Fluid:
DOT 4 Brake Fluid.
Transmission Fluid:
Refer to manual for specific manual or Tiptronic fluid type (e.g., Pentosin MTF).
Known Issues
Common Concerns:
Timing belt failure leading to catastrophic engine damage, worn camshaft/valve guides (valve guide wear is a significant issue with the 4-cylinder), aging rubber components (hoses, mounts), electrical gremlins, HVAC system issues.
Common Repairs
Procedures Covered:
Valve guide replacement, timing belt replacement, water pump replacement, fuel injector service.
Significant update and redesign from the 944, incorporating advanced technologies like VarioCam.
Production
Production Years:
1991-1995.
Manufacturing Location:
Stuttgart, Germany.
๐ Awards & Recognition
Recognitions
Automotive Press:
Generally well-received by automotive press for its performance and handling, though the inline-4 engine was sometimes compared unfavorably to the smoother inline-6 engines of competitors.
Ratings
Collector Status:
Increasingly recognized as a modern classic Porsche.