Subaru Loyale 1984-1994 Service Repair Manual

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🏷️ Basic Information Identification Make: Subaru Model: Loyale Year Range: 1984-1994 Codes Chassis Code: AG, AH, AJ, AK (Station Wagon/DL/GL), AM, AP (Sedan/DL/GL), AT, AU (BRAT) Engine Codes: EA71, EA81, EA82 👋 Introduction Market Position Positioning: The Subaru Loyale represented Subaru's entry into the compact and mid-size car segments, emphasizing practicality, all-wheel drive capability, and ruggedness. It competed with vehicles like the Toyota Corolla, Honda Civic, Ford Escort, and Volkswagen Golf of its era. Competitive Analysis Key Differentiators: Standard or available All-Wheel Drive (AWD) was a primary differentiator, setting the Loyale apart from many front-wheel-drive competitors. Its horizontally opposed (boxer) engine contributed to a lower center of gravity, enhancing handling and stability. The wagon models were particularly popular for their utility and capability in adverse weather conditions. Key Features Notable Features: Symmetrical All-Wheel Drive, horizontally opposed engine, optional turbocharging (EA82T), dual-range 4WD transfer case (on some models), independent front suspension, solid rear axle or independent rear suspension (depending on model/year), tilt steering wheel, tachometer, rear window wiper/washer (wagon). 📋 Manual Details Coverage Areas Engine Coverage: 1.6L EA71, 1.8L EA81, 1.8L EA82 (SOHC, DOHC, Turbo) Transmission Coverage: 4-speed Manual, 5-speed Manual, 3-speed Automatic, 4-speed Automatic Drivetrain Coverage: Front-Wheel Drive (FWD), All-Wheel Drive (AWD) - Full-time and Dual-Range Body Styles Covered: 2-Door Coupe (DL/GL), 4-Door Sedan (DL/GL), 5-Door Station Wagon (DL/GL/RX), 2-Door BRAT (B2WD/4WD) Page Count Estimated Page Count: 1000+ Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, camshafts, timing belts/chains, lubrication system, cooling system, fuel delivery system (carburetor/fuel injection), exhaust system Engine Electrical: Ignition system, starting system, charging system, ECU/ECM diagnosis, sensors, emissions control systems Transmission Drivetrain: Manual transmission overhaul, automatic transmission overhaul, clutch system, transfer case, front and rear differentials, CV joints, driveshafts, AWD system operation and service Suspension Steering: Front suspension (McPherson struts), rear suspension (independent trailing arm/solid axle depending on model), steering gear, power steering system, wheel alignment specifications Brakes: Front disc brakes, rear drum brakes (some models with rear discs), brake system diagnostics, ABS (if equipped), parking brake Electrical System: Wiring diagrams, lighting system, instrument cluster, interior and exterior electronics, power windows, locks, mirrors, horn, wiper/washer system Body Chassis: Body panel removal/installation, interior trim, doors, windows, bumpers, chassis lubrication, rust prevention HVAC: Heating, ventilation, and air conditioning (HVAC) system service, refrigerant handling (where applicable) Procedures Included Routine Maintenance: Oil and filter changes, air filter replacement, spark plug replacement, coolant flush, brake fluid flush, power steering fluid change, transmission fluid change, differential fluid change Engine Repair: Head gasket replacement, piston ring replacement, bearing replacement, valve adjustment, timing belt/chain service, carburetor rebuild, fuel injection cleaning and servicing Transmission Repair: Clutch replacement, transmission gear replacement, seal replacement, torque converter service, automatic transmission internal repair Suspension Steering Repair: Strut and shock absorber replacement, ball joint replacement, tie rod end replacement, power steering pump and rack repair Brake Repair: Brake pad/shoe replacement, rotor/drum resurfacing or replacement, brake caliper/wheel cylinder overhaul, brake line replacement, bleeding procedures Electrical Diagnostics: Troubleshooting electrical faults using wiring diagrams, component testing, sensor diagnosis, ECU/ECM relearn procedures (where applicable) Body Repair: Door adjustment, window regulator repair, minor body panel replacement, trim piece installation Troubleshooting: Diagnostic charts, symptom-based troubleshooting guides for common issues Technical Depth Depth: Comprehensive: Covers everything from basic maintenance and adjustments to complete engine and transmission overhauls, detailed electrical diagnostics, and bodywork procedures. 📊 Manual Specifications File Format File Type: PDF Searchable Text: Yes (typically) Printable: Yes Print Quality Quality: High-resolution scans of original factory documentation Binding Type Type: Digital Download (Not a physical product) Paper Type Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine 1.6L: EA71: 1.6L (1595cc) Naturally Aspirated SOHC 4-cylinder boxer. Power output typically around 70-73 HP @ 5200 RPM, Torque around 80-82 lb-ft @ 3200 RPM. Carbureted. Engine 1.8L Na: EA81: 1.8L (1769cc) Naturally Aspirated SOHC 4-cylinder boxer. Power output typically around 73-80 HP @ 4800-5200 RPM, Torque around 95-100 lb-ft @ 2800-3200 RPM. Carbureted or early EFI. Engine 1.8L DOHc Turbo: EA82T: 1.8L (1769cc) Turbocharged DOHC 4-cylinder boxer. Power output typically around 95-115 HP @ 5200-5600 RPM, Torque around 120-135 lb-ft @ 2800-3200 RPM. Fuel injected, intercooled turbocharger on later models. Performance Typical 0 60Mph: 10-15 seconds (depending on engine, drivetrain, and transmission) Fuel Economy Est: 18-25 MPG (city/highway, depending on engine and drivetrain) Fuel System Carbureted Engines: Hitachi or Keihin 2-barrel carburetors (e.g., EA71, EA81) Fuel Injected Engines: Electronic Fuel Injection (EFI) with Bosch or Subaru ECUs for EA82 and EA82T engines 🔧 Transmission Standard Manual Transmission: 4-speed and 5-speed manual transmissions available Optional Automatic Transmission: 3-speed and 4-speed automatic transmissions available Features AWD System: Symmetrical All-Wheel Drive (AWD) typically featuring a viscous coupling limited-slip center differential in manual transmission AWD models, or a torque-sensing front...

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Tipo: Car

Fabricante:

Sku: 16349

Coleções: ALL Subaru

Disponibilidade: Em estoque

Tag: 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 Car Loyale Subaru Yale

Variantes do produto

Description

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Loyale

Year Range:

1984-1994

Codes

Chassis Code:

AG, AH, AJ, AK (Station Wagon/DL/GL), AM, AP (Sedan/DL/GL), AT, AU (BRAT)

Engine Codes:

EA71, EA81, EA82

👋 Introduction

Market Position

Positioning:

The Subaru Loyale represented Subaru's entry into the compact and mid-size car segments, emphasizing practicality, all-wheel drive capability, and ruggedness. It competed with vehicles like the Toyota Corolla, Honda Civic, Ford Escort, and Volkswagen Golf of its era.

Competitive Analysis

Key Differentiators:

Standard or available All-Wheel Drive (AWD) was a primary differentiator, setting the Loyale apart from many front-wheel-drive competitors. Its horizontally opposed (boxer) engine contributed to a lower center of gravity, enhancing handling and stability. The wagon models were particularly popular for their utility and capability in adverse weather conditions.

Key Features

Notable Features:

Symmetrical All-Wheel Drive, horizontally opposed engine, optional turbocharging (EA82T), dual-range 4WD transfer case (on some models), independent front suspension, solid rear axle or independent rear suspension (depending on model/year), tilt steering wheel, tachometer, rear window wiper/washer (wagon).

📋 Manual Details

Coverage Areas

Engine Coverage:

1.6L EA71, 1.8L EA81, 1.8L EA82 (SOHC, DOHC, Turbo)

Transmission Coverage:

4-speed Manual, 5-speed Manual, 3-speed Automatic, 4-speed Automatic

Drivetrain Coverage:

Front-Wheel Drive (FWD), All-Wheel Drive (AWD) - Full-time and Dual-Range

Body Styles Covered:

2-Door Coupe (DL/GL), 4-Door Sedan (DL/GL), 5-Door Station Wagon (DL/GL/RX), 2-Door BRAT (B2WD/4WD)

Page Count

Estimated Page Count:

1000+

Manual Type

Type:

Factory Service Manual / Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, camshafts, timing belts/chains, lubrication system, cooling system, fuel delivery system (carburetor/fuel injection), exhaust system

Engine Electrical:

Ignition system, starting system, charging system, ECU/ECM diagnosis, sensors, emissions control systems

Transmission Drivetrain:

Manual transmission overhaul, automatic transmission overhaul, clutch system, transfer case, front and rear differentials, CV joints, driveshafts, AWD system operation and service

Suspension Steering:

Front suspension (McPherson struts), rear suspension (independent trailing arm/solid axle depending on model), steering gear, power steering system, wheel alignment specifications

Brakes:

Front disc brakes, rear drum brakes (some models with rear discs), brake system diagnostics, ABS (if equipped), parking brake

Electrical System:

Wiring diagrams, lighting system, instrument cluster, interior and exterior electronics, power windows, locks, mirrors, horn, wiper/washer system

Body Chassis:

Body panel removal/installation, interior trim, doors, windows, bumpers, chassis lubrication, rust prevention

HVAC:

Heating, ventilation, and air conditioning (HVAC) system service, refrigerant handling (where applicable)

Procedures Included

Routine Maintenance:

Oil and filter changes, air filter replacement, spark plug replacement, coolant flush, brake fluid flush, power steering fluid change, transmission fluid change, differential fluid change

Engine Repair:

Head gasket replacement, piston ring replacement, bearing replacement, valve adjustment, timing belt/chain service, carburetor rebuild, fuel injection cleaning and servicing

Transmission Repair:

Clutch replacement, transmission gear replacement, seal replacement, torque converter service, automatic transmission internal repair

Suspension Steering Repair:

Strut and shock absorber replacement, ball joint replacement, tie rod end replacement, power steering pump and rack repair

Brake Repair:

Brake pad/shoe replacement, rotor/drum resurfacing or replacement, brake caliper/wheel cylinder overhaul, brake line replacement, bleeding procedures

Electrical Diagnostics:

Troubleshooting electrical faults using wiring diagrams, component testing, sensor diagnosis, ECU/ECM relearn procedures (where applicable)

Body Repair:

Door adjustment, window regulator repair, minor body panel replacement, trim piece installation

Troubleshooting:

Diagnostic charts, symptom-based troubleshooting guides for common issues

Technical Depth

Depth:

Comprehensive: Covers everything from basic maintenance and adjustments to complete engine and transmission overhauls, detailed electrical diagnostics, and bodywork procedures.

📊 Manual Specifications

File Format

File Type:

Searchable Text:

Yes (typically)

Printable:

Print Quality

Quality:

High-resolution scans of original factory documentation

Binding Type

Type:

Digital Download (Not a physical product)

Paper Type

Type:

N/A (Digital)

⚙️ Engine Specifications

Primary Engine

Engine 1.6L:

EA71: 1.6L (1595cc) Naturally Aspirated SOHC 4-cylinder boxer. Power output typically around 70-73 HP @ 5200 RPM, Torque around 80-82 lb-ft @ 3200 RPM. Carbureted.

Engine 1.8L Na:

EA81: 1.8L (1769cc) Naturally Aspirated SOHC 4-cylinder boxer. Power output typically around 73-80 HP @ 4800-5200 RPM, Torque around 95-100 lb-ft @ 2800-3200 RPM. Carbureted or early EFI.

Engine 1.8L DOHc Turbo:

EA82T: 1.8L (1769cc) Turbocharged DOHC 4-cylinder boxer. Power output typically around 95-115 HP @ 5200-5600 RPM, Torque around 120-135 lb-ft @ 2800-3200 RPM. Fuel injected, intercooled turbocharger on later models.

Performance

Typical 0 60Mph:

10-15 seconds (depending on engine, drivetrain, and transmission)

Fuel Economy Est:

18-25 MPG (city/highway, depending on engine and drivetrain)

Fuel System

Carbureted Engines:

Hitachi or Keihin 2-barrel carburetors (e.g., EA71, EA81)

Fuel Injected Engines:

Electronic Fuel Injection (EFI) with Bosch or Subaru ECUs for EA82 and EA82T engines

🔧 Transmission

Standard

Manual Transmission:

4-speed and 5-speed manual transmissions available

Optional

Automatic Transmission:

3-speed and 4-speed automatic transmissions available

Features

AWD System:

Symmetrical All-Wheel Drive (AWD) typically featuring a viscous coupling limited-slip center differential in manual transmission AWD models, or a torque-sensing front differential and a drive shaft coupling with a viscous LSD in automatic AWD models. Some 4WD models featured a dual-range transfer case.

📐 Dimensions

Exterior

Length Station Wagon:

Approx. 167-170 inches (4240-4318 mm)

Width Station Wagon:

Approx. 65.2-65.6 inches (1656-1666 mm)

Height Station Wagon:

Approx. 54.7-56.3 inches (1390-1430 mm)

Wheelbase:

Approx. 96.9 inches (2460 mm)

Cargo

Cargo Volume Wagon:

Approx. 30-60 cu ft (with rear seats folded, depending on specific model configuration)

Weights

Curb Weight:

Approx. 2100-2500 lbs (950-1135 kg) depending on configuration

Gross Vehicle Weight Rating:

Approx. 3200-3500 lbs (1450-1590 kg)

🛡️ Safety Features

Ratings

NHTSA Ratings:

Specific NHTSA ratings for these model years are not readily available in a consolidated format. Vehicles of this era generally had lower ratings than modern standards.

Active Features

Braking System:

Front disc, rear drum standard. Optional front and rear discs on higher trims or later models. ABS not common in early models, introduced on some later models.

Passive Features

Seat Belts:

3-point front seatbelts, lap belts in rear

Body Structure:

Reinforced passenger compartment, crumple zones (design evolved throughout production)

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM radio with cassette player. Options for upgraded stereos and speakers were available.

Driver Assistance

Features:

Limited driver assistance features by modern standards. Key features were focused on drivetrain and chassis design (AWD, low CG).

Connectivity

Features:

No modern connectivity features like Bluetooth or USB. Connectivity was limited to basic radio and speaker systems.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,000-5,000 miles (4,800-8,000 km) or 3-6 months, depending on driving conditions and oil type used.

Air Filter Replacement:

Every 15,000-30,000 miles (24,000-48,000 km) or annually

Spark Plug Replacement:

Every 30,000-60,000 miles (48,000-96,000 km) depending on spark plug type (copper vs. platinum)

Timing Belt Replacement:

Every 50,000-70,000 miles (80,000-112,000 km) or 5 years for EA82 engines. EA71 and EA81 engines often used timing chains or gears, which typically do not require replacement unless worn.

Fluid Specifications

Engine Oil Viscosity:

SAE 10W-30 or 10W-40 is common for most conditions. Refer to manual for specific temperature ranges.

Engine Oil Capacity:

Approx. 4-5 quarts (3.8-4.7 liters) with filter, depending on engine

Coolant:

Ethylene glycol-based antifreeze, typically a 50/50 mix with distilled water. Subaru Super Coolant or equivalent is recommended for later models.

Transmission Fluid Manual:

API GL-4 SAE 75W-90 or 80W-90 gear oil. Check manual for specific recommendation.

Transmission Fluid Automatic:

Dexron II or equivalent ATF. Check manual for specific part number/type.

Differential Fluid:

API GL-5 SAE 80W-90 gear oil for front and rear differentials. Check manual for specific viscosity and LSD additive if applicable.

Known Issues

Head Gasket Leaks:

While not as prevalent as in later EJ-series engines, older EA-series engines can develop head gasket leaks, particularly on the EA82 series due to thermal cycling and material aging.

Carburetor Issues:

Carburetors on EA71 and EA81 engines can become gummed up or require adjustment due to age, leading to rough idling or poor performance. Fuel leaks are also a potential concern.

Rust And Corrosion:

Common in vehicles of this era, especially in areas with road salt. Rust can affect wheel arches, rocker panels, door bottoms, and the undercarriage.

Cv Joint Wear:

Front CV joints can wear out, leading to clicking noises during turns, especially in AWD models.

Heater Core Leaks:

Leaking heater cores can lead to coolant loss and a foggy windshield.

Electrical Connector Corrosion:

Corroded electrical connectors can cause intermittent faults in various systems.

📚 Vehicle History

Brand Heritage

Subaru Heritage:

Subaru, a division of Subaru Corporation (formerly Fuji Heavy Industries), has a history rooted in aerospace engineering, which influenced its early automotive designs, particularly the use of horizontally opposed engines and robust drivetrains. Known for its pioneering use of AWD in passenger cars.

Model Evolution

Loyale Lineage:

The Loyale was the successor to the Subaru DL/GL models. It continued Subaru's reputation for building reliable, capable vehicles with a focus on AWD. The Loyale itself evolved through various facelifts and engine updates during its production run, culminating in the introduction of more advanced fuel injection and turbocharging on the EA82 and EA82T engines.

Production

Production Period:

1984-1994. The Loyale nameplate was used for the North American market, while similar vehicles were sold under different names globally.

Manufacturing Location:

Japan

🏆 Awards & Recognition

Recognitions

Off Road Capability:

While not an off-road vehicle, the Loyale's AWD system, especially with the dual-range transfer case on certain models, gave it superior traction and mild off-road capability compared to its FWD competitors, often earning praise in automotive reviews for its all-weather performance.

Durability:

Subaru vehicles of this era are generally recognized for their durability and longevity, with many surviving examples still on the road today.