Subaru RX 1984-1994 Service Repair Manual

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🏷️ Basic Information Identification Make: Subaru Model: RX Model Line: Subaru RX Product Type: Service Repair Manual Codes Vehicle Years Covered: 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994 Manual Format Download: PDF Download 👋 Introduction Market Position Historical Segment: The Subaru RX, particularly its earlier iterations, was positioned as a compact to mid-size car, often emphasizing its distinctive horizontally-opposed 'boxer' engine and Subaru's pioneering all-wheel-drive (AWD) technology in many markets. Key Selling Points: Reliability, AWD capability (often a significant differentiator), practicality, and fuel efficiency relative to its class. Competitive Analysis Competitors Era: Competed against vehicles from Toyota (Corolla, Camry), Honda (Civic, Accord), Nissan (Sentra, Altima), Mitsubishi (Lancer, Galant), and Ford (Escort, Tempo) depending on specific market and body style. Key Features Engine Layout: Signature Subaru Boxer engine configuration. Drivetrain Options: Available in Front-Wheel Drive (FWD) and the highly regarded Subaru All-Wheel Drive (AWD) system. Body Styles: Likely offered in sedan and station wagon/hatchback variants across its production life. 📋 Manual Details Coverage Areas Engine Coverage: All gasoline engine variants offered for the RX model during the specified production years. Transmission Coverage: Manual and Automatic transmissions. Chassis Coverage: Front-wheel drive (FWD) and All-wheel drive (AWD) chassis configurations. Electrical Coverage: Complete wiring diagrams, diagnostic procedures for electrical systems. Body Coverage: Exterior and interior bodywork, panel replacement, cosmetic repairs. Page Count Estimated Page Count: Comprehensive (typically 800-1500+ pages for full factory service manuals of this era). Manual Type Manual Type: Factory Service Manual / Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, cylinder head, pistons, connecting rods, crankshaft, timing components, lubrication system, cooling system. Fuel System: Fuel injection systems (including EFI variants), fuel pump, fuel injectors, fuel filter, fuel pressure regulator, evaporative emission control (EVAP). Ignition System: Ignition coils, spark plugs, distributor (if applicable), ignition timing, electronic ignition control. Exhaust System: Exhaust manifold, catalytic converter, mufflers, pipes, oxygen sensors. Transmission Manual: Clutch system, gear selection, gearbox overhaul, shift linkage. Transmission Automatic: Torque converter, planetary gear sets, hydraulic control systems, valve body, transmission fluid cooler, electronic control modules (if applicable). Drivetrain: Driveshafts, CV joints, differentials (front, rear, center for AWD), wheel bearings, hub assemblies. Suspension: Front suspension (e.g., MacPherson struts), rear suspension (e.g., independent or solid axle depending on specific RX variant), shock absorbers, springs, control arms, bushings, sway bars. Steering: Steering column, steering rack/gearbox, power steering pump, fluid, tie rods, steering linkage. Brakes: Front and rear brake systems (disc or drum depending on application), brake calipers, rotors, pads, master cylinder, brake lines, parking brake, ABS (if equipped). Electrical System Components: Battery, alternator, starter motor, lighting (headlights, taillights, interior), fuses, relays, switches, power windows, power locks, wipers, horn. Climate Control: HVAC system, blower motor, heater core, evaporator, refrigerant system, air conditioning compressor, controls. Body And Interior: Door mechanisms, window regulators, seat mechanisms, interior trim panels, dashboard assembly, exterior panels, bumpers, glass replacement. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug replacement, fluid checks and top-offs, brake inspection, tire rotation. Diagnostic Procedures: Troubleshooting guides for common symptoms, diagnostic trouble codes (DTCs) interpretation (if applicable for the era's electronics), electrical circuit testing. Major Repairs: Engine rebuilds, transmission overhauls, suspension component replacement, brake caliper/rotor replacement, steering rack replacement. Component Replacement: Step-by-step instructions for replacing parts like alternators, starters, water pumps, fuel pumps, radiators, clutch kits, etc. Wiring Diagrams: Detailed electrical schematics for all vehicle systems. Specifications And Tolerances: Torque specifications, engine clearances, measurements for component alignment and assembly. Technical Depth Depth Of Coverage: Factory-level diagnostic and repair procedures, suitable for professional technicians and advanced DIY enthusiasts. Diagnostic Tools: Information on necessary diagnostic tools and equipment for the specified years. Troubleshooting Charts: Systematic approaches to identifying and resolving issues. 📊 Manual Specifications File Format PDF Quality: High-resolution scans with searchable text for ease of navigation and printing. Print Quality Image Resolution: Clear, legible diagrams, illustrations, and text. Binding Type Digital Binding: N/A (Digital PDF format) Paper Type Digital Paper Type: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Code Common: EA82 (1.8L Boxer), EJ series (2.0L, 2.2L, 2.7L Boxer depending on specific RX evolution and market). Engine Displacement Range: Approximately 1.8 liters to 2.7 liters. Performance Horsepower Range: Typically 85 HP to 130 HP, depending on engine size, configuration (naturally aspirated vs. turbocharged variants, if offered), and emissions controls. Torque Range: Approximately 100 lb-ft to 145 lb-ft. Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) became standard across most or all of the model range during this period. Fuel Type: Unleaded gasoline. Engine Layout Cylinder Configuration: Horizontally-opposed (Boxer) 4-cylinder (EA82) and potentially 4 or 6-cylinder (EJ series) for later models. Engine Management ECU Type: Engine Control Unit (ECU) for managing fuel injection and ignition timing. 🔧 Transmission Standard Standard Transmission: Typically a 5-speed manual transmission was standard on many...

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Tags: 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 Car Cars Misc RX Subaru

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Description

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Model Line:

Subaru RX

Product Type:

Service Repair Manual

Codes

Vehicle Years Covered:

1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994

Manual Format Download:

PDF Download

👋 Introduction

Market Position

Historical Segment:

The Subaru RX, particularly its earlier iterations, was positioned as a compact to mid-size car, often emphasizing its distinctive horizontally-opposed 'boxer' engine and Subaru's pioneering all-wheel-drive (AWD) technology in many markets.

Key Selling Points:

Reliability, AWD capability (often a significant differentiator), practicality, and fuel efficiency relative to its class.

Competitive Analysis

Competitors Era:

Competed against vehicles from Toyota (Corolla, Camry), Honda (Civic, Accord), Nissan (Sentra, Altima), Mitsubishi (Lancer, Galant), and Ford (Escort, Tempo) depending on specific market and body style.

Key Features

Engine Layout:

Signature Subaru Boxer engine configuration.

Drivetrain Options:

Available in Front-Wheel Drive (FWD) and the highly regarded Subaru All-Wheel Drive (AWD) system.

Body Styles:

Likely offered in sedan and station wagon/hatchback variants across its production life.

📋 Manual Details

Coverage Areas

Engine Coverage:

All gasoline engine variants offered for the RX model during the specified production years.

Transmission Coverage:

Manual and Automatic transmissions.

Chassis Coverage:

Front-wheel drive (FWD) and All-wheel drive (AWD) chassis configurations.

Electrical Coverage:

Complete wiring diagrams, diagnostic procedures for electrical systems.

Body Coverage:

Exterior and interior bodywork, panel replacement, cosmetic repairs.

Page Count

Estimated Page Count:

Comprehensive (typically 800-1500+ pages for full factory service manuals of this era).

Manual Type

Manual Type:

Factory Service Manual / Repair Manual

Language

Language:

English

Format

File Format:

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine assembly, disassembly, cylinder head, pistons, connecting rods, crankshaft, timing components, lubrication system, cooling system.

Fuel System:

Fuel injection systems (including EFI variants), fuel pump, fuel injectors, fuel filter, fuel pressure regulator, evaporative emission control (EVAP).

Ignition System:

Ignition coils, spark plugs, distributor (if applicable), ignition timing, electronic ignition control.

Exhaust System:

Exhaust manifold, catalytic converter, mufflers, pipes, oxygen sensors.

Transmission Manual:

Clutch system, gear selection, gearbox overhaul, shift linkage.

Transmission Automatic:

Torque converter, planetary gear sets, hydraulic control systems, valve body, transmission fluid cooler, electronic control modules (if applicable).

Drivetrain:

Driveshafts, CV joints, differentials (front, rear, center for AWD), wheel bearings, hub assemblies.

Suspension:

Front suspension (e.g., MacPherson struts), rear suspension (e.g., independent or solid axle depending on specific RX variant), shock absorbers, springs, control arms, bushings, sway bars.

Steering:

Steering column, steering rack/gearbox, power steering pump, fluid, tie rods, steering linkage.

Brakes:

Front and rear brake systems (disc or drum depending on application), brake calipers, rotors, pads, master cylinder, brake lines, parking brake, ABS (if equipped).

Electrical System Components:

Battery, alternator, starter motor, lighting (headlights, taillights, interior), fuses, relays, switches, power windows, power locks, wipers, horn.

Climate Control:

HVAC system, blower motor, heater core, evaporator, refrigerant system, air conditioning compressor, controls.

Body And Interior:

Door mechanisms, window regulators, seat mechanisms, interior trim panels, dashboard assembly, exterior panels, bumpers, glass replacement.

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, spark plug replacement, fluid checks and top-offs, brake inspection, tire rotation.

Diagnostic Procedures:

Troubleshooting guides for common symptoms, diagnostic trouble codes (DTCs) interpretation (if applicable for the era's electronics), electrical circuit testing.

Major Repairs:

Engine rebuilds, transmission overhauls, suspension component replacement, brake caliper/rotor replacement, steering rack replacement.

Component Replacement:

Step-by-step instructions for replacing parts like alternators, starters, water pumps, fuel pumps, radiators, clutch kits, etc.

Wiring Diagrams:

Detailed electrical schematics for all vehicle systems.

Specifications And Tolerances:

Torque specifications, engine clearances, measurements for component alignment and assembly.

Technical Depth

Depth Of Coverage:

Factory-level diagnostic and repair procedures, suitable for professional technicians and advanced DIY enthusiasts.

Diagnostic Tools:

Information on necessary diagnostic tools and equipment for the specified years.

Troubleshooting Charts:

Systematic approaches to identifying and resolving issues.

📊 Manual Specifications

File Format

PDF Quality:

High-resolution scans with searchable text for ease of navigation and printing.

Print Quality

Image Resolution:

Clear, legible diagrams, illustrations, and text.

Binding Type

Digital Binding:

N/A (Digital PDF format)

Paper Type

Digital Paper Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Primary Engine

Engine Code Common:

EA82 (1.8L Boxer), EJ series (2.0L, 2.2L, 2.7L Boxer depending on specific RX evolution and market).

Engine Displacement Range:

Approximately 1.8 liters to 2.7 liters.

Performance

Horsepower Range:

Typically 85 HP to 130 HP, depending on engine size, configuration (naturally aspirated vs. turbocharged variants, if offered), and emissions controls.

Torque Range:

Approximately 100 lb-ft to 145 lb-ft.

Fuel System

Fuel Delivery:

Electronic Fuel Injection (EFI) became standard across most or all of the model range during this period.

Fuel Type:

Unleaded gasoline.

Engine Layout

Cylinder Configuration:

Horizontally-opposed (Boxer) 4-cylinder (EA82) and potentially 4 or 6-cylinder (EJ series) for later models.

Engine Management

ECU Type:

Engine Control Unit (ECU) for managing fuel injection and ignition timing.

🔧 Transmission

Standard

Standard Transmission:

Typically a 5-speed manual transmission was standard on many trims.

Optional

Optional Transmission:

A 3-speed or 4-speed automatic transmission was commonly available as an option.

Features

AWD System:

Full-time 4-wheel drive (AWD) or automatic 4-wheel drive (depending on year and transmission) was a hallmark feature, often with viscous coupling center differentials.

Fluid Specs

Manual Transmission Fluid:

API GL-4 or GL-5 gear oil, viscosity typically 75W-90 or 80W-90 (refer to manual for specific grade and capacity).

Automatic Transmission Fluid:

Dexron II or equivalent ATF (refer to manual for specific grade and capacity).

📐 Dimensions

Exterior

Overall Length:

Varies by body style, approximately 4300-4600 mm (sedan/wagon).

Overall Width:

Approximately 1650-1700 mm.

Wheelbase:

Approximately 2500-2600 mm.

Weights

Curb Weight Range:

Approximately 1100-1350 kg, depending on configuration (AWD, wagon vs. sedan, engine size).

Gross Vehicle Weight Rating:

Refer to VIN plate or manual for specific GVWR.

🛡️ Safety Features

Ratings

Historical Safety Standards:

Vehicles from this era were tested to different safety standards than modern vehicles. Consult NHTSA or IIHS archives for specific crash test data if available.

Active Features

Active Safety Features:

Optional Anti-lock Braking System (ABS) available on some later models/trims.

Passive Features

Passive Safety Features:

Seat belts (3-point front, 2-point or 3-point rear depending on seating position), reinforced safety cage construction, padded interior surfaces, energy-absorbing steering column.

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM radio with cassette player, potentially with aftermarket upgrades common in this era.

Driver Assistance

Driver Assistance Features:

Limited by era; primary safety features are passive. ABS was an available option on some models.

Connectivity

Connectivity Options:

No modern connectivity features like Bluetooth or USB. Analog systems only.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 3,000-5,000 miles or 3-6 months, whichever comes first. Refer to manual for specific recommendation based on driving conditions.

Spark Plug Replacement:

Approximately every 30,000-60,000 miles, depending on plug type (copper, platinum).

Timing Belt Replacement:

Crucial for EA82 and early EJ engines; typically around 60,000-90,000 miles. Failure can cause catastrophic engine damage.

Fluid Specifications

Engine Oil Type:

API SG or SH service category, viscosity typically 10W-30 or 5W-30 depending on climate. Refer to manual for exact specifications and capacity.

Coolant Type:

Ethylene Glycol based coolant, typically a 50/50 mix with distilled water. Consult manual for specific Subaru coolant or equivalent.

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid.

Known Issues

Common Problems Engine:

Head gasket leaks (especially on EJ series), oil leaks from various seals, timing belt wear/failure, early EFI system component failures.

Common Problems Drivetrain:

CV joint wear, differential leaks, AWD system component wear over time.

Common Problems Suspension Steering:

Worn bushings, ball joints, tie rod ends, strut wear.

Common Problems Electrical:

Wiring harness degradation, alternator failure, starter issues, aging sensors.

📚 Vehicle History

Brand Heritage

Subaru Origins:

Subaru, part of the Fuji Heavy Industries conglomerate, has a history rooted in aircraft manufacturing, which influenced its early automotive designs, particularly the boxer engine and robust chassis construction.

Model Evolution

Rx Lineage:

The Subaru RX nameplate evolved from earlier Subaru models like the Leone. The RX designation often represented higher-trim or performance-oriented versions. Over its production life, it saw updates in styling, engine technology (transition to fuel injection), and safety features, culminating in the EJ-series engines and more advanced AWD systems in later years.

Production

Manufacturing Locations:

Primarily manufactured in Japan by Subaru Corporation.

Global Availability:

Sold globally, with specific market configurations and engine options varying.

🏆 Awards & Recognition

Recognitions

General Recognition:

Subaru vehicles of this era, particularly those with AWD, were often recognized for their capability in adverse weather conditions and their robust construction, contributing to Subaru's reputation for reliability and practicality.

Ratings

Reliability Reputation:

Generally considered reliable, with specific strengths in AWD performance. However, maintenance is key, especially regarding timing belts and head gaskets on certain engine variants.