Porsche 944 1982-1991 Factory Service Repair Manual

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🏷️ Basic Information Identification Make: Porsche Model: 944 Years Covered: 1982-1991 Generation Generation Name: First Generation (Type 944) Generation Years: 1982-1985 (early 944), 1985-1988 (944, 944S, 944 Turbo), 1989-1991 (944, 944 S2, 944 Turbo S) 👋 Introduction Market Position Positioning: Premium front-engine, rear-wheel-drive sports coupe positioned as Porsche's entry-level model during its production run, offering a blend of performance and relative affordability compared to the 911. Target Audience: Enthusiasts, DIY mechanics, and owners seeking to maintain and repair their Porsche 944 without relying solely on dealership services. Competitive Analysis Competitors: Nissan 300ZX, Toyota Supra, Chevrolet Camaro, Ford Mustang, BMW 3 Series (E30/E36), Mercedes-Benz 190E Key Features Distinguishing Features: Transaxle design (engine in front, transmission in rear for weight distribution), balanced handling, distinctive wedge-shaped styling, strong inline-four engines (later models with 2.5L and 3.0L), available turbo variants. 📋 Manual Details Coverage Areas All Styles Covered: True Specific Coverage List: General Maintenance, Troubleshooting, Engine Service/Repair, Transmission Service/Repair, Brake System, Wiring Diagram, Electrical System, Suspension, Periodic Lubrication, Steering, Cooling System, Fuel Injection/Fuel System, Emission System, Heater/Air Conditioning, Engine Control System, Chassis/Body, Restraint System, Interior, Differential/Drive, Axle, and more. Page Count Estimated Page Count: Hundreds of pages (specific count not provided, but comprehensive) Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Major Systems: General Maintenance, Troubleshooting, Engine Service/Repair, Transmission Service/Repair, Brake System, Wiring Diagram, Electrical System, Suspension, Periodic Lubrication, Steering, Cooling System, Fuel Injection/Fuel System, Emission System, Heater/Air Conditioning, Engine Control System, Chassis/Body, Restraint System, Interior, Differential/Drive, Axle Powertrain: Engine, Fuel System, Ignition System, Exhaust System, Transmission, Clutch, Drive Axles, Differential. Chassis: Suspension (front and rear), Steering, Brakes, Wheels and Tires. Electrical And Body: Electrical System, Wiring Diagrams, Lighting, HVAC, Body Panels, Doors, Windows, Interior Trim, Restraint Systems (Seatbelts). Procedures Included Repair Procedures: Step-by-step repair procedures, detailed substeps, troubleshooting guides, diagnostic procedures, maintenance, rebuilding, refurbishing, restoration Repair Depth Details: Covers everything from basic fluid changes and inspections to complex engine rebuilds, transmission overhauls, brake caliper replacements, suspension component upgrades, electrical diagnostics, and bodywork repair. Includes detailed diagrams and illustrations for each procedure. Technical Depth Depth: Comprehensive, covering everything needed to repair, maintain, rebuild, refurbish, or restore the vehicle; equivalent to information used by professional technicians. Diagnostic Capabilities: Advanced troubleshooting guides and diagnostics for electrical systems, fuel injection, engine management, and mechanical components. 📊 Manual Specifications File Format File Type: PDF Compatibility: Works under all PC-based Windows operating systems and Mac. Can be burned to CD-ROM. Print Quality Printability: Printable without any restriction; individual pages or the entire manual can be printed. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type Early: 2.5L (2479 cc) Inline-4 (M44.01, M44.02, M44.03) Engine Type Late: 2.5L (2480 cc) Inline-4 (M44.05, M44.06, M44.08 - 944 S2), 2.5L Turbocharged Inline-4 (M44.51, M44.52 - 944 Turbo) Performance Early Horsepower Early Models: Approximately 143-163 hp depending on market and specific variant Performance Late Horsepower 944 S2: Approximately 211 hp Horsepower 944 Turbo: Approximately 220-250 hp depending on variant (e.g., 944 Turbo S) Performance Torque Torque Early Models: Approximately 140-147 lb-ft Torque 944 S2: Approximately 181 lb-ft Torque 944 Turbo: Approximately 243-258 lb-ft Fuel System Fuel Delivery: Bosch L-Jetronic or Motronic fuel injection (depending on year and model) Engine Management Ignition System: Electronic Ignition Engine Layout Layout: Front-engine, Rear-wheel drive (RWD) Engine Design Cylinder Head: Dual Overhead Camshafts (DOHC), 16 valves (except early base 944 which had 8 valves) Cooling System: Liquid-cooled Bore X Stroke Early: 94.0 mm x 89.0 mm (2.5L) Compression Ratio Early: 10.2:1 (NA models) Compression Ratio Turbo: 8.5:1 (Turbo models) Valvetrain: Timing belt driven DOHC (2 valves per cylinder on early base 944, 4 valves per cylinder on later models like 944 S2 and all Turbo variants) Performance Turbo S Horsepower 944 Turbo S: Approximately 250 hp Torque 944 Turbo S: Approximately 258 lb-ft 🔧 Transmission Standard Standard Transmission: 5-speed manual transaxle Optional Optional Transmission: 3-speed automatic transaxle (Tiptronic on later models) Features Transaxle Design: Integrated transmission and differential unit located at the rear axle for optimal weight distribution (transaxle layout). Clutch Type: Single dry plate clutch (manual) 📐 Dimensions Exterior Length: Approx. 168.5 inches (4280 mm) for early models, increasing slightly for later models Width: Approx. 67.9 inches (1725 mm) Height: Approx. 50.6 inches (1285 mm) Weights Curb Weight: Approx. 2700-3100 lbs (1225-1400 kg) depending on model and equipment Weight Distribution: Near 50/50 front/rear thanks to transaxle design. 🛡️ Safety Features Ratings Crash Test History: Not extensively tested by modern US agencies like NHTSA or IIHS during its initial production. Porsche typically emphasized occupant safety through engineering and design. Active Features Brakes: Front: Ventilated discs; Rear: Discs. ABS was optional on later models and standard on some high-performance variants. Passive Features Airbags: Driver airbag became...

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Tipo: Car

Fabricante:

Sku: 421087

Coleções: ALL Porsche

Disponibilidade: Em estoque

Tag: 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 944 Car Cars Porsche

Variantes do produto

Description

🏷️ Basic Information

Identification

Make:

Porsche

Model:

Years Covered:

1982-1991

Generation

Generation Name:

First Generation (Type 944)

Generation Years:

1982-1985 (early 944), 1985-1988 (944, 944S, 944 Turbo), 1989-1991 (944, 944 S2, 944 Turbo S)

👋 Introduction

Market Position

Positioning:

Premium front-engine, rear-wheel-drive sports coupe positioned as Porsche's entry-level model during its production run, offering a blend of performance and relative affordability compared to the 911.

Target Audience:

Enthusiasts, DIY mechanics, and owners seeking to maintain and repair their Porsche 944 without relying solely on dealership services.

Competitive Analysis

Competitors:

Nissan 300ZX, Toyota Supra, Chevrolet Camaro, Ford Mustang, BMW 3 Series (E30/E36), Mercedes-Benz 190E

Key Features

Distinguishing Features:

Transaxle design (engine in front, transmission in rear for weight distribution), balanced handling, distinctive wedge-shaped styling, strong inline-four engines (later models with 2.5L and 3.0L), available turbo variants.

📋 Manual Details

Coverage Areas

All Styles Covered:

Specific Coverage List:

General Maintenance, Troubleshooting, Engine Service/Repair, Transmission Service/Repair, Brake System, Wiring Diagram, Electrical System, Suspension, Periodic Lubrication, Steering, Cooling System, Fuel Injection/Fuel System, Emission System, Heater/Air Conditioning, Engine Control System, Chassis/Body, Restraint System, Interior, Differential/Drive, Axle, and more.

Page Count

Estimated Page Count:

Hundreds of pages (specific count not provided, but comprehensive)

Manual Type

Type:

Factory Service Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Major Systems:

Powertrain:

Engine, Fuel System, Ignition System, Exhaust System, Transmission, Clutch, Drive Axles, Differential.

Chassis:

Suspension (front and rear), Steering, Brakes, Wheels and Tires.

Electrical And Body:

Electrical System, Wiring Diagrams, Lighting, HVAC, Body Panels, Doors, Windows, Interior Trim, Restraint Systems (Seatbelts).

Procedures Included

Repair Procedures:

Step-by-step repair procedures, detailed substeps, troubleshooting guides, diagnostic procedures, maintenance, rebuilding, refurbishing, restoration

Repair Depth Details:

Covers everything from basic fluid changes and inspections to complex engine rebuilds, transmission overhauls, brake caliper replacements, suspension component upgrades, electrical diagnostics, and bodywork repair. Includes detailed diagrams and illustrations for each procedure.

Technical Depth

Depth:

Comprehensive, covering everything needed to repair, maintain, rebuild, refurbish, or restore the vehicle; equivalent to information used by professional technicians.

Diagnostic Capabilities:

Advanced troubleshooting guides and diagnostics for electrical systems, fuel injection, engine management, and mechanical components.

📊 Manual Specifications

File Format

File Type:

Compatibility:

Works under all PC-based Windows operating systems and Mac. Can be burned to CD-ROM.

Print Quality

Printability:

Printable without any restriction; individual pages or the entire manual can be printed.

Binding Type

Binding Type:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type Early:

2.5L (2479 cc) Inline-4 (M44.01, M44.02, M44.03)

Engine Type Late:

2.5L (2480 cc) Inline-4 (M44.05, M44.06, M44.08 - 944 S2), 2.5L Turbocharged Inline-4 (M44.51, M44.52 - 944 Turbo)

Performance Early

Horsepower Early Models:

Approximately 143-163 hp depending on market and specific variant

Performance Late

Horsepower 944 S2:

Approximately 211 hp

Horsepower 944 Turbo:

Approximately 220-250 hp depending on variant (e.g., 944 Turbo S)

Performance Torque

Torque Early Models:

Approximately 140-147 lb-ft

Torque 944 S2:

Approximately 181 lb-ft

Torque 944 Turbo:

Approximately 243-258 lb-ft

Fuel System

Fuel Delivery:

Bosch L-Jetronic or Motronic fuel injection (depending on year and model)

Engine Management

Ignition System:

Electronic Ignition

Engine Layout

Layout:

Front-engine, Rear-wheel drive (RWD)

Engine Design

Cylinder Head:

Dual Overhead Camshafts (DOHC), 16 valves (except early base 944 which had 8 valves)

Cooling System:

Liquid-cooled

Bore X Stroke Early:

94.0 mm x 89.0 mm (2.5L)

Compression Ratio Early:

10.2:1 (NA models)

Compression Ratio Turbo:

8.5:1 (Turbo models)

Valvetrain:

Timing belt driven DOHC (2 valves per cylinder on early base 944, 4 valves per cylinder on later models like 944 S2 and all Turbo variants)

Performance Turbo S

Horsepower 944 Turbo S:

Approximately 250 hp

Torque 944 Turbo S:

Approximately 258 lb-ft

🔧 Transmission

Standard

Standard Transmission:

5-speed manual transaxle

Optional

Optional Transmission:

3-speed automatic transaxle (Tiptronic on later models)

Features

Transaxle Design:

Integrated transmission and differential unit located at the rear axle for optimal weight distribution (transaxle layout).

Clutch Type:

Single dry plate clutch (manual)

📐 Dimensions

Exterior

Length:

Approx. 168.5 inches (4280 mm) for early models, increasing slightly for later models

Width:

Approx. 67.9 inches (1725 mm)

Height:

Approx. 50.6 inches (1285 mm)

Weights

Curb Weight:

Approx. 2700-3100 lbs (1225-1400 kg) depending on model and equipment

Weight Distribution:

Near 50/50 front/rear thanks to transaxle design.

🛡️ Safety Features

Ratings

Crash Test History:

Not extensively tested by modern US agencies like NHTSA or IIHS during its initial production. Porsche typically emphasized occupant safety through engineering and design.

Active Features

Brakes:

Front: Ventilated discs; Rear: Discs. ABS was optional on later models and standard on some high-performance variants.

Passive Features

Airbags:

Driver airbag became standard in later years (introduced around 1987-88 on some models).

Seat Belts:

Three-point inertia-reel seat belts

💡 Technology Features

Infotainment

Audio System:

Factory-installed premium sound systems (often Blaupunkt or Grundig) with cassette decks. Later models may have options for CD players.

Driver Assistance

ABS Availability:

Optional on early models, standard on some later or performance variants (e.g., 944 Turbo S).

Connectivity

Connectivity Features:

Limited by era. Primarily focused on vehicle performance and driver engagement. No modern Bluetooth or smartphone integration from factory.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 5,000-7,500 miles or annually (refer to manual for specific year/engine)

Timing Belt Interval:

Critical: 30,000-60,000 miles or 5-7 years (depending on specific engine and manual recommendation). Failure is catastrophic.

Fluid Specifications

Engine Oil Type:

API SG or higher, SAE 5W-40 or 10W-40 recommended (check manual for precise viscosity and specifications)

Coolant Type:

Porsche approved G48 antifreeze or equivalent (usually a 50/50 mix with distilled water)

Brake Fluid Type:

DOT 4 or DOT 5.1 (refer to manual, mixing DOT 5 silicone fluid with DOT 3/4 is not recommended)

Transmission Fluid:

Manual: GL-4 or GL-5 gear oil (e.g., SAE 75W-90). Automatic: Dexron III or equivalent.

Power Steering Fluid:

Porsche approved fluid or Dexron II/III (check manual)

Differental Fluid:

API GL-5, SAE 75W-90 or 80W-90 gear oil.

Known Issues

Common Problems Liste:

Timing belt failure (catastrophic engine damage if it breaks), fuel line fatigue/leaks, coolant tank cracks, window regulator failures, hatch seal leaks, electrical gremlins, torque converter issues (automatics), rear main seal leaks, clutch wear.

Common Problems Liste Cont:

Camshaft wear, distributor seal leaks, catalytic converter issues, control arm bushings, wheel bearings.

Part Numbers

Timing Belt Example Pn:

OEM Porsche part numbers are specific, but common aftermarket equivalent for timing belt might be Gates 5278XS or similar.

Capacities

Engine Oil Capacity:

Approx. 6.0 - 7.0 quarts (5.7 - 6.6 liters) depending on filter and oil cooler configuration.

📚 Vehicle History

Brand Heritage

Porsche Legacy:

Continues Porsche's tradition of performance-oriented, rear-engine or rear-wheel-drive vehicles, though the 944 represented a departure with its front-engine layout and inline-four engine.

Model Evolution

Evolution Overview:

The 944 evolved from the 924, becoming a more powerful and refined sports car. Key updates included larger displacement engines, improved aerodynamics, disc brakes all around, more powerful turbo variants, and enhanced interior amenities.

Key Variants:

944 (base), 944 Lux, 944 S, 944 Turbo (951), 944 S2, 944 Turbo S.

Production

Production Start Year:

1981 (for 1982 model year)

Production End Year:

Manufacturing Location:

Neckarsulm, Germany (by Audi AG for Porsche)

🏆 Awards & Recognition

Recognitions

Contemporary Reviews:

Frequently praised by automotive journalists for its handling, balance, and performance, especially when compared to its predecessor, the 924, and its contemporaries. Often cited as one of the best handling cars of its era.

Ratings

Performance Ratings:

Consistently ranked highly for its handling dynamics and driver involvement by publications like Car and Driver, Road & Track, and others.