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2008 Subaru Outback CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Subaru REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2008 Subaru Outback AUTOMOBILES
CV AXLE SHAFT, Replace -> Front -> Rear
Vehicle: 2008 Subaru Outback 2.5I 2.5 H4 GAS
Front
- Disconnect battery ground cable.
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove drain plug from transmission and drain in suitable container.
- Remove wheel nuts and front wheels.
- Unstake hub nut using suitable tool.
- Remove driveshaft locknut from front hub while depressing brake pedal. Remove wheel before loosening axle nut.
- Remove stabilizer link from front arm.
- Remove brake caliper bolts and support caliper to strut housing using mechanics wire.
- Remove disc brake rotor. If brake rotor is difficult to remove, drive 8mm bolt into threa...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 Subaru Outback AUTOMOBILES
Component Replacement -> Clamp In Type -> Installation -> Removal -> Snap In Type -> Tire Pressure Sensor -> TPMS Control Module
Vehicle: 2008 Subaru Outback R L.l. Bean Edition 3.0 H6 GAS
Tire Pressure Sensor
Clamp In Type
Removal
- Loosen the lug nuts.
- Raise and support vehicle with jack stands, then remove the wheel and tire assembly.
- Release the air pressure from the tire.
- Using a suitable tire changer, remove the tire from the wheel.
- Remove the screw attaching the tire pressure sensor to the valve stem, Fig. .
Installation
Use a new grommet when installing the tire pressure sensor.
- Align the tire pressure sensor with the valve stem hole, Fig. .
- Install and tighten the tire pressure sensor nut to 72 inch lbs.
- Using a suitable tire changer install the tire to the wheel...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2008 Subaru Outback AUTOMOBILES
Alternator, Replace
Vehicle: 2008 Subaru Outback 2.5 H4 GAS
- Disconnect battery ground cable.
- Remove terminal nut and alternator electrical connector from back of alternator.
- Remove retainers securing V-belt cover then remove cover.
- Loosen alternator drive belt lock bolt.
- Loosen alternator adjusting bolt.
- Remove alternator drive belt.
- Remove A/C compressor drive belt lock nut.
- Loosen A/C compressor adjusting bolt.
- Remove A/C compressor d...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2008 Subaru Outback AUTOMOBILES
Cabin Air Filter Service -> Subaru -> 2005-06 Baja & 2005-09 Legacy & Outback
Vehicle: 2008 Subaru Outback 2.5I 2.5 H4 GAS
The cabin air filter should be replaced every 12 months or 9,300 miles.
- Remove the instrument panel side cover.
- Remove the glove compartment retaining clips and damper, then the glove compartment, Fig. .
- Remove the glove compartment upper storage bin.
- Through the glove compar...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2008 Subaru Outback AUTOMOBILES
Subaru -> Hill Start Assist Warning Lamp -> Manual Transmission Models
Vehicle: 2008 Subaru Outback R L.l. Bean Edition 3.0 H6 GAS
The Hill Start Assist warning lamp, will illuminate for a few seconds when the ignition switch is placed in the on position as a bulb check. If the lamp illuminates while the engine is running, a malfuncti...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2008 Subaru Outback AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2008 Subaru Outback 2.5I L.l. Bean Edition 2.5 H4 GAS
Inlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at heater core.
- Remove hose from heater core.
- Reposition hose clamp at cylinder head.
- Remove hose from cylinder head.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 Subaru Outback AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 Subaru Outback 2.5I 2.5 H4 GAS
- Remove drive belt cover. Wipe off any oil or water on belt and pulley.
- Loosen lockbolt on slider bolt.
- Loosen slider bolt.
- ...
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COMPONENT LOCATION DIAGRAMS FOR 2008 Subaru Outback AUTOMOBILES
Component location diagrams for most 2008 Subaru Outback cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2008 Subaru Outback AUTOMOBILES
OEM drawn wiring diagrams for most 2008 Subaru Outback cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 Subaru Outback AUTOMOBILES
OEM TSB listings for most 2008 Subaru Outback cars and light trucks sold in the U.S. from 1985+.
Document: RES Immobilizer Antenna Ring Clip Vehicle: 2008 Subaru Outback 2.5 H4 GAS |
Document: Service Manual Corrections Vehicle: 2008 Subaru Outback 2.5 H4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 Subaru Outback AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 Subaru Outback 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 2008 Subaru Outback 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 2008 Subaru Outback 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 2008 Subaru Outback 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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