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 DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEFUEL DELIVERYFUEL INJECTION (FUEL SYSTEMS) (H4SO U5 (PZEV))KNOCK SENSORINSTALLATION

2005 Subaru Outback i, Standard

Knock Sensor: Installation

2005 Subaru Outback i, StandardSECTION Installation

Install the knock sensor to cylinder block.
NOTE: Extraction area of knock sensor cord must be positioned at a 60° angle relative to the engine rear.

Tightening torque:

24 N.m (2.4 kgf-m, 17.4 ft-lb)

Fig 1: Installing Knock Sensor To Cylinder Block
Courtesy of SUBARU OF AMERICA, INC.
Connect the knock sensor connector.

Fig 2: Connecting Knock Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Install the air intake chamber. < Ref. to INSTALLATION , Air Intake Chamber. >
Connect the battery ground cable to battery.

Fig 3: Connecting Battery Ground Cable To Battery
Courtesy of SUBARU OF AMERICA, INC.

RENDER: 1.0x

NO RELATED

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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.