Subaru Liberty 1990 Repair Service Manual

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🏷️ Basic Information Identification Make: Subaru Model: Liberty Year: 1990 Chassis Code: E-series (e.g., E10, E12, E15, E16, E18, E20, EJ22 depending on specific model variant) Codes Engine Code Common:...

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Type: Car

Vendor:

Sku: 392398

Tags: 1990 Car Cars Liberty Misc Subaru

Product variants

Description

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Liberty

Year:

Chassis Code:

E-series (e.g., E10, E12, E15, E16, E18, E20, EJ22 depending on specific model variant)

Codes

Engine Code Common:

EJ22 (most prevalent, but others exist)

👋 Introduction

Market Position

Segment:

Mid-size Sedan/Wagon, known for its All-Wheel Drive (AWD) system as a standard or widely available option.

Competitive Analysis

Competitors 1990:

Toyota Camry, Honda Accord, Mazda 626, Nissan Maxima, Mitsubishi Galant

Key Features

Distinguishing Features:

Subaru's signature Symmetrical All-Wheel Drive, horizontally opposed ('Boxer') engines, robust build quality, excellent handling characteristics.

Target Audience

Audience:

Professional automotive technicians, DIY mechanics, and Subaru enthusiasts seeking in-depth repair and maintenance knowledge.

📋 Manual Details

Coverage Areas

Coverage Scope:

Comprehensive repair and service for the 1990 Subaru Liberty

Page Count

Estimated Pages:

Over 1000 pages (typical for a full factory service manual)

Manual Type

Type:

Factory Service Manual / Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Powertrain:

Engine, Fuel System, Ignition System, Exhaust System, Transmission (Manual & Automatic), Drivetrain (AWD Systems)

Chassis:

Suspension (Front & Rear), Steering System, Braking System (Front & Rear Discs/Drums, ABS if applicable)

Electrical:

Charging System, Starting System, Lighting System, Ignition System, Body Electrical, Instrumentation, HVAC Controls, Audio System

Body And Interior:

Body Panels, Doors, Windows, Seats, Interior Trim, Safety Restraints (Airbags if equipped, Seatbelts)

Procedures Included

Maintenance:

Oil Changes, Filter Replacements, Spark Plug Service, Fluid Checks and Replacements, Belt Inspections and Replacements, Tire Rotation

Repair:

Engine Overhaul, Transmission Rebuilds, Brake Caliper/Rotor Replacement, Suspension Component Replacement, Electrical Component Diagnosis and Repair, Body Panel Repair

Diagnostics:

Troubleshooting Charts, Symptom-based Diagnosis, DTC (Diagnostic Trouble Code) interpretation (if applicable to onboard diagnostics)

Specifications:

Torque Specifications, Clearances, Measurements, Component Dimensions

Technical Depth

Depth:

Expert-level, including detailed diagrams, schematics, and step-by-step instructions for all major repair and maintenance tasks.

📊 Manual Specifications

File Format

Quality:

High-resolution scans, text-searchable, printable pages

Print Quality

Printability:

Designed for clear printing of all diagrams, tables, and text.

Binding Type

Digital Format:

PDF (Portable Document Format)

Paper Type

Digital Storage:

Electronic file suitable for digital storage and access.

⚙️ Engine Specifications

Primary Engine

Engine Code:

Engine Type:

Horizontally Opposed (Boxer) 4-Cylinder, SOHC (Single Overhead Camshaft)

Displacement:

2.2 Liters (2200 cc)

Performance

Horsepower Approx:

110 - 130 HP (varies slightly by market and specific variant)

Torque Approx:

130 - 145 lb-ft

Fuel System

Induction:

Multi-Point Fuel Injection (MPI)

Cooling System

Coolant Type Spec:

Ethylene Glycol based (e.g., Subaru Super Coolant or equivalent, 50/50 mix with distilled water)

Lubrication System

Oil Type Spec:

API SG or higher, SAE 10W-30 or 10W-40 (consult manual for specific temperature ranges)

Engine Components

Timing Belt Replacement Interval:

Typically 60,000 - 90,000 miles or 6-8 years. Critical to follow manual for exact interval and associated component replacement (tensioner, idlers, water pump).

🔧 Transmission

Standard

Type:

5-Speed Manual Transmission

Optional

Type:

4-Speed Automatic Transmission with Lock-up Torque Converter

Features

AWD System:

Symmetrical All-Wheel Drive (mechanical center differential with viscous coupling, or electronically controlled for some automatic transmissions).

Fluid Specifications Manual

Gear Oil Type:

API GL-5, SAE 75W-90 or 80W-90 Gear Oil

Fluid Specifications Automatic

Atf Type:

Subaru ATF (or Dexron II/III equivalent)

📐 Dimensions

Exterior

Body Styles:

4-Door Sedan, 5-Door Wagon

Length Approx Sedan:

4580 mm (180.3 in)

Length Approx Wagon:

4600 mm (181.1 in)

Width Approx:

1700 mm (66.9 in)

Height Approx Sedan:

1400 mm (55.1 in)

Height Approx Wagon:

1470 mm (57.9 in)

Weights

Curb Weight Approx Sedan:

1300-1400 kg (2866-3086 lbs)

Curb Weight Approx Wagon:

1350-1450 kg (2976-3197 lbs)

Wheel Specifications

Wheelbase:

2620 mm (103.1 in)

Bolt Pattern:

5x100mm

Wheel Size Standard:

15x6.0J (often alloy wheels on higher trims)

Tire Size Standard:

195/60R15 (check specific trim level)

🛡️ Safety Features

Ratings

NHTSA Rating 1990:

Data not readily available for this specific year/model from public databases, but generally considered safe for its era.

Active Features

Braking System:

Front Ventilated Discs, Rear Drums (or discs on higher trims). Optional ABS (Anti-lock Braking System) available.

AWD Traction Advantage:

Standard Symmetrical AWD provides enhanced traction and stability in various road conditions.

Passive Features

Airbags:

Driver's side airbag became optional or standard on some higher trims in this generation.

Seatbelts:

Front 3-point Inertia Reel Seatbelts, Rear Lap and Shoulder Seatbelts.

Body Structure:

Reinforced impact zones, energy-absorbing crumple zones.

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM Stereo with Cassette Player. Optional CD player available on higher trims or as an aftermarket addition.

Climate Control:

Manual HVAC (Heating, Ventilation, Air Conditioning) system. Automatic climate control was rare for this model year.

Driver Assistance

Cruise Control:

Optional or standard on higher trim levels.

Anti-lock Braking System available as an option, particularly on higher-spec models or wagons.

🔧 Maintenance

Service Intervals

Oil And Filter Change:

Every 3,000 - 5,000 miles or 6 months, whichever comes first (consult manual for precise recommendation).

Engine Air Filter Replacement:

Every 15,000 - 30,000 miles or as needed based on driving conditions.

Cabin Air Filter Replacement:

Not standard on all models of this generation; if equipped, typically 15,000-20,000 miles.

Spark Plug Replacement:

Platinum-tipped plugs often last 60,000-100,000 miles. Consult manual for type and interval.

Fluid Specifications

Coolant Capacity Approx:

6.5 - 7.0 Liters (6.9 - 7.4 Quarts)

Brake Fluid Type:

DOT 3 or DOT 4

Power Steering Fluid Type:

Subaru Genuine Power Steering Fluid or Dexron II/III ATF

Known Issues

Head Gasket Leaks:

While less common on the EJ22 compared to later EJ engines, head gasket sealing can be a concern with age and mileage. Proper torque and coolant maintenance are key.

Timing Belt Maintenance:

Critical component. Failure can cause severe engine damage. Regular replacement is paramount.

Rust Corrosion:

Common in areas with road salt; check wheel wells, rocker panels, and subframes for corrosion.

Automatic Transmission Issues:

Older transmissions may exhibit delayed shifting or slipping; regular fluid changes are important.

📚 Vehicle History

Brand Heritage

Subaru Origins:

Subaru (Fuji Heavy Industries) has a long history in aviation and automotive manufacturing, known for its boxer engines and AWD technology.

Model Evolution

Liberty Generations:

This 1990 model belongs to the second generation (BF/BG chassis, 1989-1994) of the Subaru Legacy (known as Liberty in some markets like Australia).

Production

Manufacturing Locations:

Primarily manufactured in Japan (Gunma Prefecture) and also assembled in other locations globally.

Model Significance

Legacy Introduction:

The Subaru Legacy (Liberty) was introduced in 1989 as a larger, more refined successor to the Subaru Leone, aiming to compete in the mid-size segment.

🏆 Awards & Recognition

Recognitions

Car And Driver Awards:

The Subaru Legacy (Liberty) often appeared on Car and Driver's 'Ten Best' list in its early years for its driving dynamics and AWD capability.