Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSSUBARU2005OUTBACK I, STANDARDREPAIR AND DIAGNOSISENGINE MECHANICALLUBRICATION SYSTEMLUBRICATION (H4SO)OIL PUMPREMOVAL

2005 Subaru Outback i, Standard

Oil Pump: Removal

2005 Subaru Outback i, StandardSECTION Removal

Disconnect the ground cable from battery.

Fig 1: Disconnecting Ground Cable From Battery
Courtesy of SUBARU OF AMERICA, INC.
Lift-up the vehicle.
Remove the under cover.
Lower the vehicle.
Remove the radiator. < Ref. to REMOVAL , Radiator. >
Remove the V-belts. < Ref. to REMOVAL , V-belt. >
Remove the belt tensioner.

Fig 2: Removing Belt Tensioner
Courtesy of SUBARU OF AMERICA, INC.
Remove the crankshaft position sensor. Refer to REMOVAL , Crankshaft Position Sensor for (H4SO model) & Refer to REMOVAL , Crankshaft Position Sensor for (H4SO U5 model).
Remove the crank pulley using ST.
ST 499977100 CRANK PULLEY WRENCH

Fig 3: Removing Crank Pulley Using Special Tool
Courtesy of SUBARU OF AMERICA, INC.
Remove the water pump. < Ref. to REMOVAL , Water Pump. >
Remove the timing belt guide. (MT model)

Fig 4: Removing Timing Belt Guide (MT Model)
Courtesy of SUBARU OF AMERICA, INC.
Remove the crank sprocket.

Fig 5: Removing Crank Sprocket
Courtesy of SUBARU OF AMERICA, INC.
Remove the bolts which install oil pump onto cylinder block.
NOTE: When disassembling and checking the oil pump, loosen the relief valve plug before removing the oil pump.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.