1991 Subaru Loyale service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical diagnostics with wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
Trims covered
- Base Sedan 4-Door
- Base Wagon 4-Door
Engines covered
- 1.8L 1781CC H4 GAS SOHC Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
WHEN THE VEHICLE IS DRIVEN CONTINUOUSLY UNDER EXTREMELY COLD TEMPERATURES (-22 DEGREES F.) AND HIGH HUMIDITY WEATHER CONDITIONS, THE TRANSMISSION BREATHING (AIR) VENT CAN BE BLOCKED DUE TO MOISTURE FR
SUDDEN STOPS WITHOUT PRIOR WARNING CAN CAUSE VEHICLE OCCUPANTS TO BE THROWN AROUND THE VEHICLE AND C
DEALERS WILL MODIFY THE OIL GAUGE PIPE AND MODIFY THE OIL LEVEL GAUGE (DIPSTICK) OR REPLACE IT, DEPE
TRANSMISSION SHIFT LINKAGE MAY BE INCORRECTLY ADJUSTED AND WOULD NOT BE ENGAGED IN A FULL PARK POSITION WHEN PLACED IN PARK.
IF TRANSMISSION PARK MECHANISM IS NOT IN PARK WHILE THEVEHICLE IS RUNNING OR ON AN INCLINE, A RUNAWA
REPAIR THE TRANSMISSION PARK MECHANISM.
This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
This bulletin has been developed to outline the steps for gathering basic essential information during diagnosis and repair of the Infotainment concerns. (Applicable to all models with Harman or Denso CP1 Infotainment).
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models
This bulletin is to advise of SOAs revised catalytic converter recycling program shipping procedure.
To help reduce confusion and increase technician efficiency, Subaru of America, Inc. (SOA) has developed the following cross reference list to help locate the appropriate Special Service Tool.
Special Service Tools Cross Reference List.
All Models (Vehicle Cleaning- COVID-19Best Practices)
Showing the 8 most recent of 9 technical service bulletins on file with NHTSA.
THE DRIVERS AND FRONT PASSENGER SHOULDER BELTS DID NOT RESTRAIN THE OCCUPANTS IN AN ACCIDENT CAUSING FURTHER INJURY. PLEASE DESCRIBE. *AK
The contact owns a 1991 Subaru Loyale. The contact stated that while driving at an undisclosed speed, the automatic seat belt continuously opened and retracted independently, failing to secure the con
The contact owns a 1991 Subaru Loyale. The contact stated that while driving at an undisclosed speed, the automatic seat belt continuously opened and retracted independently, failing to secure the con
The contact owns a 1991 Subaru Loyale equipped with a replacement CV-axle from Master Pro, Part Number: SB8003. The contact indicated that while driving in reverse, the vehicle suddenly stopped moving
TL* - ON A COLD DAY WHILE TRYING TO DRIVE IN REVERSE THE WOULD NOT ENGAGE IN THE REVERSE GEAR. THE CONTACT WAITED FOR THE VEHICLE TO WARM UP, AND WAS ABLE TO DRIVE FOR SOMETIME, UNTIL THE TRANSMISS
Showing the 5 most serious of 19 complaints filed with NHTSA.
