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.
2012 Scion tC L4-2.5L (2AR-FE)FACTORY OEM SERVICE PROCEDURE
Installation
2AR-FE ENGINE CONTROL: KNOCK SENSOR: INSTALLATION
1. INSTALL KNOCK SENSOR
(a) Install the sensor with the bolt so that the sensor is angled as shown in the illustration.
Torque : 20 Nm (204 kgf-cm, 15 ft-lbf)
Text in Illustration
NOTICE:
The acceptable installation angle of the sensor is between 7° upward and 10° downward from the horizontal position.
(b) Connect the sensor connector.
2. INSTALL INTAKE MANIFOLD
Installation
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.