1990 Subaru Loyale Service and Repair Manual

This factory service and repair manual for the 1990 Subaru Loyale addresses a car with four trims, Base, RS, RS Turbo and Turbo, and three bodies: a 3-door coupe, a 4-door wagon and a 4-door sedan. The engine is a 1.8L gasoline flat-four with a single overhead camshaft, available naturally aspirated or turbocharged. Specifications, torque values and diagnostics follow the engine, fuel system, ignition and cooling, and procedures and wiring diagrams follow the transmission, drivetrain, brakes, suspension, steering and electrical system.

Engines covered

• 1.8L flat-four — SOHC, naturally aspirated, gasoline
• 1.8L flat-four — SOHC, turbocharged, gasoline

Body styles covered

• 3-door coupe
• 4-door wagon
• 4-door sedan

Trims covered

• Base
• RS
• RS Turbo
• Turbo

Known issues on the 1990 Loyale. The 1990 Loyale has 4 recalls on the federal record, most of them in the transmission. Certain 1990 Loyale vehicles with the electronically controlled automatic may hold in park for a moment after reverse is chosen, then move abruptly; a revised pawl is fitted. Certain 1990 Loyale vehicles with on-demand four-wheel drive and a manual gearbox, registered in specified cold-weather states, can have the transmission vent freeze, forcing out a seal and starving the gears of oil. Certain 1990 Loyale vehicles with Takata front belts have release buttons that can crack and jam the buckle. Of 13 owner complaints, engine and engine cooling and seat belts account for 5 apiece. Transmission diagnostics and torque values apply.