Knock Sensor (1GR-FE): Replacement

WARNING: This page is about a different car, the 2005 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE CYLINDER HEAD SUB-ASSY (SEE REPLACEMENT )
DISCONNECT HEATER WATER INLET HOSE A

Fig 1: Disconnecting Heater Water Inlet Hose A
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE WATER OUTLET PIPE NO. 1
1. Remove the 4 wire harness clamps.
2. Remove the 3 bolts and the water outlet pipe.
Fig 2: Removing Water Outlet Pipe No. 1
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE KNOCK SENSOR
1. Disconnect the 2 knock sensor connectors.
2. Remove the 2 bolts and the 2 knock sensors.
Fig 3: Removing Knock Sensor
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL KNOCK SENSOR
1. Install the 2 knock sensors with the 2 bolts as shown in Fig 4 .
  Torque: 20 N.m (204 kgf.cm, 15 ft.lbf)
2. Connect the 2 knock sensor connectors.
Fig 4: Installing Knock Sensor
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL WATER OUTLET PIPE NO. 1
Torque: 10 N.m (102 kgf.cm, 7 ft.lbf)
CONNECT HEATER WATER INLET HOSE A
INSTALL CYLINDER HEAD SUB-ASSY (SEE REPLACEMENT )