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1991 Subaru Loyale CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Subaru REPAIR SHOPS DON'T WANT YOU TO KNOW
Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!Select Section
- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
A/C & HEATER SERVICE PROCEDURES FOR 1991 Subaru Loyale AUTOMOBILES
A/C & Cooling System Maintenance -> Subaru -> 1990-2002
Vehicle: 1991 Subaru Loyale 1.8 H4 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Subaru Loyale AUTOMOBILES
SUBARU, ANTI-LOCK BRAKES -> DESCRIPTION
Vehicle: 1991 Subaru Loyale 1.8 H4 GAS
The Anti-lock brake system (ABS) electrically controls brake fluid pressure to prevent wheel lock during braking on slippery road surfaces, improving steering stability and shortening the braking distance. If the ABS becomes inoperative, a fail-safe system activates to ensure conventional brake system operation.
The front and rear wheels utilize a four sensor, four channel control design. The...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Subaru Loyale AUTOMOBILES
Subaru -> Fuel Filter Scheduled Maintenance -> 1983-93 -> Normal Service -> Severe Service
Vehicle: 1991 Subaru Loyale 1.8 H4 GAS
Normal Service
Replace every 30,000 miles
Severe...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Subaru Loyale AUTOMOBILES
CV AXLE SHAFT, Replace -> Front -> Rear
Vehicle: 1991 Subaru Loyale 1.8 H4 GAS
Front
- Raise and support vehicle.
- Remove front wheels.
- Remove axle nut.
- Remove parking brake cable bracket from transverse link and disconnect cable from disc brake caliper.
- Using a drift and hammer, remove and discard driveshaft spring pin, Fig. .
- Remove caliper support retaining bolts and disc brake assembly. Suspend assembly from strut.
- Disconnect tie-rod end, transverse link and damper strut from axle housing.
- Remove axle shaft with housing from differential.
- Separate axle shaft from housing using a suitable puller. Check axle housing bearing for wear or damage and replace oil ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Subaru Loyale AUTOMOBILES
Starter, Replace
Vehicle: 1991 Subaru Loyale 1.8 H4 GAS
- Disconnect battery ground cable.
- Disconnect battery cable and solenoid wiring at sta...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Subaru Loyale AUTOMOBILES
Subaru -> Driver Control Center Differential Indicator Lamps ->
Vehicle: 1991 Subaru Loyale 1.8 H4 GAS
The Driver Control Center Differential Indicator lamps show the current differential limiting factor of the center differential. The bottom indicator lamp will flash if a...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Subaru Loyale AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1991 Subaru Loyale 1.8 H4 GAS
Lower
- Disconnect ground cable from battery.
- Drain engine coolant completely into a suitable container.
- Disconnect radiator outlet hose from thermostat housing.
- Disconnect radiator outlet hose from radiator.
- Remove outlet house from vehicle.
- Reverse procedure ...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Subaru Loyale AUTOMOBILES
Component location diagrams for most 1991 Subaru Loyale cars and light trucks sold in the U.S. from 1990+.
Rear End Wiring Diagram for 1991 Subaru Loyale 1.8 H4 GAS Components on diagram: |
Rear Wiring Diagram for 1991 Subaru Loyale 1.8 H4 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1991 Subaru Loyale AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Subaru Loyale cars and light trucks sold in the U.S.
1991 Subaru Loyale 1.8 H4 GAS Wiring Diagram Components on diagram: |
1991 Subaru Loyale 1.8 H4 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Subaru Loyale AUTOMOBILES
OEM TSB listings for most 1991 Subaru Loyale cars and light trucks sold in the U.S. from 1985+.
Document: REMANUFACTURED TRANSAXLES PROGRAM - REVISED Vehicle: 1991 Subaru Loyale 1.8 H4 GAS Auto Systems: |
Document: RECOMMENDED MATERIALS Vehicle: 1991 Subaru Loyale 1.8 H4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Subaru Loyale AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Subaru Loyale cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1991 Subaru Loyale cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1991 Subaru Loyale cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1991 Subaru Loyale cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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