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1991 Subaru Loyale CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Subaru REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1991 Subaru Loyale 1.8 H4 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Subaru Loyale AUTOMOBILES
SUBARU, DISC BRAKES -> CALIPER REPLACEMENT -> FRONT -> REAR
Vehicle: 1991 Subaru Loyale 1.8 H4 GAS
FRONT
Refer to Figs. through when performing the following procedure.
- Raise and support vehicle.
- Remove front wheels.
- Disconnect brake hose from caliper. Plug hose to prevent fluid leakage.
- On all except Justy, Legacy and SVX, remove outer parking brake cable clip and disconnect cable.
- On all except Justy with 12 inch wheels, remove caliper lockpin, rotate caliper on guide pin, then remove caliper.
- On Justy with 12 inch wheels, remove caliper to support retaining bolts, then the boot protector and caliper.
- On all models, rev...
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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
DRIVESHAFT U-JOINT, Replace -> Installation -> Removal
Vehicle: 1991 Subaru Loyale 1.8 H4 GAS
Removal
- Put matching marks on affected parts.
- Remove bolts which hold front propeller shaft to rear propeller shaft.
- Place companion flange in a vise and remove stake nut. Be sure not to hold propeller shaft pipe portion in vise.
- Drive out companion flange with a puller or press. Before disassembling, put matching mark on affected parts.
- Lightly tap head of front propeller shaft with a copper hammer un...
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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 -> Air Bag Warning Lamp ->
Vehicle: 1991 Subaru Loyale 1.8 H4 GAS
The air bag warning lamp, located inside the combination meter, will illuminate in the event of a poor connection or other air bag system fault. When the air bag system is functioning properly, the lamp should go out approximately 8 seconds after the ignition switch ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Subaru Loyale AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 1991 Subaru Loyale 1.8 H4 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition heater hose inlet clamp at engine coolant pipe using a suitable tool.
- Remove heater inlet hose from engine coolant pipe.
- Reposition heater core inlet hose clamp at heater core using a suitable tool.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Drain cooling system into a suitable container.
- Reposition heater hose outlet clamp at water inlet using a suitable too...
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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+.
Ground Wiring Diagram for 1991 Subaru Loyale 1.8 H4 GAS Components on diagram: |
Front 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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