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1991 Subaru XT 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
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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Subaru XT car and truck
repair procedures including Subaru engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your Subaru XT automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1991 Subaru XT AUTOMOBILES
Subaru -> Manual Air Conditioning & Heater Diagnosis & Testing -> A/C SYSTEM DIAGNOSIS & TESTING
Vehicle: 1991 Subaru XT GL 1.8 H4 GAS
Refer to Figs....
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BRAKE SERVICE PROCEDURES FOR 1991 Subaru XT AUTOMOBILES
SUBARU, ANTI-LOCK BRAKES -> DIAGNOSIS -> DIAGNOSTIC TESTS
Vehicle: 1991 Subaru XT GL 1.8 H4 GAS
To perform self diagnosis, drive vehicle at a speed greater than 20 mph for at least one minute. If system is malfunctioning, a warning lamp on the dash panel will come On. Approximately ten seconds after the light comes on, an L.E.D. located on the ABS control unit displays a trouble code. This trouble code is determined by the number of flashes the L.E.D. emits. To read codes, vehicle must remain running. Read ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Subaru XT AUTOMOBILES
Subaru -> Fuel Filter Scheduled Maintenance -> 1983-93 -> Normal Service -> Severe Service
Vehicle: 1991 Subaru XT GL 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 XT AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1991 Subaru XT GL 1.8 H4 GAS
- Disconnect ground cable from battery.
- Move selector lever or gear shift lever to "N".
- Release parking brake.
- Jack up vehicle and support it with sturdy racks.
- Remove rear exhaust pipe and muffler.
- Remove front exhaust cover.
- Remove differential mount front cover.
- Remove four bolts which hold propeller shaft to rear differential. Put matching marks on affected parts before removal. Remove all but one bolt.
- Remove two bolts which hold center bearing to car body.
- Place a s...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Subaru XT AUTOMOBILES
Starter, Replace
Vehicle: 1991 Subaru XT GL 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 XT AUTOMOBILES
Subaru -> Air Bag Warning Lamp ->
Vehicle: 1991 Subaru XT GL 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 XT AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 1991 Subaru XT GL 1.8 H4 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition heater hose inlet clamp at water outlet using hose clamp pliers.
- Remove heater inlet hose from water outlet.
- Reposition heater core inlet hose clamp at heater core using hose clamp pliers.
- 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 hose clamp pliers.
- Disco...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Subaru XT AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Subaru XT GL 1.8 H4 GAS
- Loosen alternator lock nut.
- Loosen alt...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Subaru XT AUTOMOBILES
Component location diagrams for most 1991 Subaru XT cars and light trucks sold in the U.S. from 1990+.
 Power Window & Door Wiring Diagram for 1991 Subaru XT GL 1.8 H4 GASComponents on diagram: |
 Engine Compartment Component Locations Diagram for 1991 Subaru XT GL 1.8 H4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1991 Subaru XT AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Subaru XT cars and light trucks sold in the U.S.
 1991 Subaru XT GL 1.8 H4 GAS Wiring DiagramComponents on diagram: |
 1991 Subaru XT GL 1.8 H4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Subaru XT AUTOMOBILES
OEM TSB listings for most 1991 Subaru XT cars and light trucks sold in the U.S. from 1985+.
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Document: REMANUFACTURED TRANSAXLES PROGRAM - REVISED Vehicle: 1991 Subaru XT GL 1.8 H4 GAS Auto Systems: |
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Document: RECOMMENDED MATERIALS Vehicle: 1991 Subaru XT GL 1.8 H4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Subaru XT AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Subaru XT 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 XT 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 XT 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 XT 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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