Highlander 2WD V6-3.3L (3MZ-FE) Hybrid (2006)
a. Disconnect the 2 knock sensor connectors.
b. Remove the 2 nuts, and then remove the 2 knock sensors.
INSTALLATION
1. INSTALL KNOCK CONTROL SENSOR
a. Install the 2 knock sensors so that it is horizontal as shown in the illustration. Then install the 2 bolts.
Torque: 20 N.m (199 kgf.cm, 15 ft.lbf)
HINT: It is acceptable for the sensor to be tilted 5 degrees .
b. Connect the 2 knock sensor connectors.
2. INSTALL WATER OUTLET
3. INSTALL INTAKE MANIFOLD