Porsche 911 1987 Factory Service Repair Manual

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🏷️ Basic Information Identification Make: Porsche Model: 911 Model Generation: G-Series Model Variant: Carrera Model Year: 1987 Codes Chassis Code: 911 G 👋 Introduction Market Position Positioning: Iconic German sports...

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Sku: 370179

Tags: 1987 911 Car Cars Porsche

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Description

🏷️ Basic Information

Identification

Make:

Porsche

Model:

Model Generation:

G-Series

Model Variant:

Carrera

Model Year:

Codes

Chassis Code:

911 G

👋 Introduction

Market Position

Positioning:

Iconic German sports car, considered a benchmark for performance and engineering

Competitive Analysis

Competitors:

Ferrari 328, Chevrolet Corvette C4, Lotus Esprit

Key Features

Design:

Timeless aerodynamic design, rear-engine layout

Performance:

Exceptional handling, powerful naturally aspirated engine, driver-focused experience

Manual Value Proposition:

Essential resource for preserving and maintaining the value and performance of a classic Porsche

📋 Manual Details

Coverage Areas

Primary Focus:

Service, Repair, Maintenance, Diagnostics

Secondary Focus:

Troubleshooting, Adjustments, Component Installation/Removal

Page Count

Estimated Pages:

Manual Type

Type:

Factory Service Manual / Workshop Manual

Language

Language:

English

Format

Format:

Printed Book

📖 Manual Coverage

Systems Covered

Engine:

3.2L Flat-6 (M930/21, M930/25)

Fuel System:

Bosch Motronic L-Jetronic Fuel Injection

Ignition System:

Electronic Ignition with Distributor

Cooling System:

Air-cooled Engine with Oil Cooler

Transmission:

G50 5-Speed Manual Transaxle (Standard)

Clutch:

Hydraulic Clutch System

Suspension:

Front: Torsion Bar/Wishbone; Rear: Semi-Trailing Arm/Torsion Bar

Steering:

Rack and Pinion (Non-Assisted for most models)

Brakes:

Front: Ventilated Discs; Rear: Discs; ABS (optional)

Electrical System:

12V System, Alternator, Starter, Battery, Lighting, Instrumentation

Body And Chassis:

Body Panels, Doors, Hood, Trunk, Chassis Components

Interior:

Seats, Dashboard, Trim, HVAC System

Wheels And Tires:

Wheel Types, Tire Sizes, Inflation Pressures

Procedures Included

Maintenance:

Oil Change, Filter Replacement, Spark Plugs, Air Filter, Belts, Battery Checks

Repair:

Engine Overhaul, Transmission Rebuild, Brake System Repair, Electrical Component Replacement

Disassembly Assembly:

Detailed procedures for all major components and sub-assemblies

Troubleshooting:

Diagnostic charts, common fault finding, electrical schematics

Adjustments:

Valve Clearance, Carburetor/Fuel Injection Tuning, Clutch Adjustment

Specifications:

Torque values, clearances, fluid capacities, performance data

Technical Depth

Depth:

Comprehensive: From basic fluid checks to complete engine and transmission rebuilds

Diagnostic Level:

Advanced diagnostics, including electrical system troubleshooting

📊 Manual Specifications

File Format

File Type:

N/A (Printed)

Print Quality

Print Quality:

High-quality paper and printing for durability and readability

Binding Type

Binding:

Sturdy, professional binding (likely spiral or perfect bound for lay-flat use)

Paper Type

Paper Type:

Durable, possibly gloss-coated paper to resist workshop grime

⚙️ Engine Specifications

Primary Engine

Engine Code:

M930/21 (US), M930/25 (California)

Displacement:

3.2 Liters (3164 cc)

Configuration:

Air-cooled, Naturally Aspirated, Flat-Six (Boxer)

Performance

Horsepower:

207 hp @ 5,800 rpm (US Spec)

Torque:

192 lb-ft @ 4,800 rpm (US Spec)

Redline:

6,500 rpm

Fuel System

Fuel Injection:

Bosch Motronic L-Jetronic

Fuel Type:

Unleaded Gasoline (Premium, 91+ Octane)

Ignition System

Ignition Type:

Electronic, Distributor-based

Cooling System

Cooling Method:

Air-cooled, Forced Ventilation with Oil Cooler

Lubrication

Oil Capacity:

8.5 Liters (with filter)

Recommended Oil Viscosity:

20W-50 (e.g., Mobil 1 20W-50 or equivalent)

🔧 Transmission

Standard

Type:

G50 5-Speed Manual Transaxle

Gear Ratios:

Refer to manual for specific ratios; typically close-ratio for sport driving

Optional

Type:

None for 1987 Model Year (G50 was introduced as standard)

Features

Clutch Type:

Hydraulic Actuated Single Dry Plate Clutch

Transmission Fluid Type:

GL-5 Gear Oil (SAE 90)

📐 Dimensions

Exterior

Length:

4251 mm (167.4 in)

Width:

1676 mm (66.0 in)

Height:

1310 mm (51.6 in)

Wheelbase:

2271 mm (89.4 in)

Front Track:

1445 mm (56.9 in)

Rear Track:

1495 mm (58.9 in)

Weights

Curb Weight:

1200-1230 kg (2645-2712 lbs) - Varies by equipment

Gross Vehicle Weight Rating:

1640 kg (3616 lbs)

Cargo

Front Trunk Volume:

Approx. 120 Liters (4.2 cu ft)

🛡️ Safety Features

Ratings

NHTSA Rating:

Not directly rated by modern standards; designed with occupant protection in mind for its era.

Active Features

Optional Anti-lock Braking System (ABS)

Passive Features

Seatbelts:

3-point Inertia Reel Seatbelts

Structure:

Reinforced Chassis and Door Beams

Fuel Tank Protection:

Protected fuel tank location within the chassis

💡 Technology Features

Infotainment

Audio System:

Factory fitted cassette player and radio, often with upgraded aftermarket units.

Driver Assistance

ABS Availability:

Optional ABS system for enhanced braking control.

Connectivity

Connectivity Features:

None by modern standards; focus is on mechanical and driver engagement.

🔧 Maintenance

Service Intervals

Oil Change:

Every 5,000 miles or 1 year (whichever comes first)

Major Service:

Every 15,000 miles (includes valve adjustment, ignition timing, spark plug checks, belt inspections)

Fluid Specifications

Engine Oil Type:

High-performance air-cooled engine oil, 20W-50 (e.g., Mobil 1 20W-50, Valvoline VR1 20W-50)

Transmission Fluid Type:

GL-5 Gear Oil (SAE 90)

Brake Fluid Type:

DOT 4

Clutch Fluid Type:

DOT 4

Known Issues

Oil Leaks:

Common due to age; often from cylinder head seals, oil lines, and crank seals.

Valve Adjustment:

Requires periodic adjustment (every 15,000 miles) to maintain performance and prevent damage.

Fuel System Maintenance:

Fuel pump, injectors, and fuel lines can require servicing or replacement due to age and fuel degradation.

Suspension Wear:

Bushings and bearings in the suspension can wear over time, affecting handling and requiring replacement.

Maintenance Schedule Details

Initial Service:

Refer to manual for initial break-in service procedures (if applicable).

📚 Vehicle History

Brand Heritage

Heritage:

Porsche's long history of building high-performance sports cars, dating back to the original 356.

Model Evolution

G Series Evolution:

The G-Series 911 (1974-1989) was a significant evolution, marked by safety updates (impact bumpers) and powertrain enhancements. 1987 saw the introduction of the G50 gearbox.

Production

Production Period:

1987 Model Year

Manufacturing Location:

Stuttgart, Germany

🏆 Awards & Recognition

Recognitions

Legacy Status:

Consistently ranked among the best sports cars of all time by automotive publications.

Collectibility:

Highly collectible classic car, appreciated for its engineering and driving dynamics.