WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

Using a claw-foot wrench, install the knock sensor and connect the connector (A).

NOTE:

Knock sensor must be positioned so that the connector center comes within the range shown in the figure.

Make sure that the knock sensor and its connector do not touch the adjacent parts.

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Tightening torque:

Calculation formula

T = 24 N.m (2.4 kgf-m, 17.7 ft-lb) x L1/(L1 + L2)

T: Reading of the torque wrench
L1: Effective length of the torque wrench
L2: Effective length of the crowfoot wrench

NOTE:

If the effective length of the tool used is unknown, consult the manufacturer of the tool.

Courtesy of SUBARU OF AMERICA, INC.

Courtesy of SUBARU OF AMERICA, INC.

Install the connector (A) and clip (B).

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Install the clip (C), clip (D) and clip (E), and connect connector (A) and connector (B). (CVT model)

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Install the intercooler. Ref. to INTAKE (INDUCTION) (H4DOTC)>INTERCOOLER>INSTALLATION
Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY

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.

Safety Warning

LH Side

Use the Manual With the Right Hardware

When to See a Mechanic