Introduction
This Haynes Repair Manual provides detailed, step-by-step instructions for the maintenance, service, and repair of Subaru Legacy models manufactured between 1990 and 1999. It is designed to assist both novice and experienced mechanics in performing various tasks, from routine procedures to complex engine rebuilds. The manual covers all Subaru Legacy models from 1990 through 1999, including Legacy Outback and Legacy Brighton variants.

Image: Front cover of the Haynes Repair Manual for Subaru Legacy 1990-1999, showing a Subaru Legacy wagon with its hood open.
General Information and Safety
Before beginning any work on your vehicle, it is crucial to review the general information and safety precautions outlined in this manual. Always prioritize safety by using appropriate tools, wearing protective gear, and following all warnings and cautions. The manual includes notes, cautions, and warnings specifically for the home mechanic to ensure safe and effective repairs.
Routine Maintenance
Regular routine maintenance is essential for the longevity and optimal performance of your Subaru Legacy. This section details procedures such as oil changes, fluid checks, filter replacements, and tire rotations. Following the recommended service intervals will help prevent major issues and ensure reliable operation.

Image: An internal page from the manual illustrating acceptable and unacceptable conditions for V-ribbed belts, along with diagrams for V6 engine accessory drivebelt tensioner details and removal/installation of the crankshaft pulley.
Tune-Up Procedures
This section provides comprehensive tune-up procedures to maintain engine efficiency and performance. It covers spark plug inspection and replacement, ignition timing adjustments, and other critical tune-up tasks.
Engine Repair
Detailed instructions for engine repair, including component removal, inspection, and installation, are provided. This covers everything from minor adjustments to complete engine rebuilds, ensuring you have the information needed for various engine-related issues.
Cooling and Heating Systems
Learn how to diagnose and repair issues with your vehicle's cooling and heating systems. This section includes procedures for radiator maintenance, thermostat replacement, heater core service, and coolant flushes.
Air Conditioning
This manual offers guidance on the air conditioning system, including component checks, refrigerant handling precautions, and repair procedures to ensure comfortable cabin temperatures.
Fuel and Exhaust Systems
Instructions for servicing and repairing the fuel delivery system, including fuel pump, fuel filter, and injector maintenance, are covered. Additionally, this section addresses exhaust system components and their replacement.
Emissions Control
Understand and maintain your vehicle's emissions control system with detailed information on components such as the oxygen sensor, catalytic converter, and EGR valve, along with diagnostic procedures.
Ignition System
This section provides detailed information on the ignition system, including spark plug diagnosis, ignition coil testing, and distributor service, to ensure proper engine combustion.
Brakes
Comprehensive procedures for inspecting, maintaining, and repairing the braking system are included. This covers disc brakes, drum brakes, ABS components, and hydraulic system bleeding.
Suspension and Steering
Instructions for servicing the suspension and steering components, including shock absorbers, struts, control arms, and power steering system maintenance, are provided to ensure stable handling.
Electrical Systems and Wiring Diagrams
This section offers detailed information on the vehicle's electrical systems, including component testing, circuit diagnosis, and repair. Complete wiring diagrams are provided to assist in tracing electrical faults and understanding system layouts.
Troubleshooting
A dedicated troubleshooting section helps identify specific problems based on symptoms. This guide provides systematic approaches to diagnose issues efficiently, reducing the time and effort required for repairs.
Technical Specifications
This section contains important technical specifications for the Subaru Legacy models covered by this manual, including dimensions, weight, and publication details.
| Specification | Detail |
|---|---|
| Publisher | Haynes Manuals N. America, Inc. |
| Publication Date | May 1, 2007 |
| Edition | 1st |
| Language | English |
| Print Length | 320 pages |
| ISBN-10 | 1563926466 |
| ISBN-13 | 978-1563926464 |
| Item Weight | 1.03 pounds |
| Dimensions | 8.25 x 0.75 x 10.63 inches |
Support and Resources
For additional support, free videos, tips, and further details on the complete range of Haynes manuals, please visit the official Haynes website. This resource can provide supplementary information to assist with your vehicle maintenance and repair needs.
Official Website: www.haynes.com





