Toyota Highlander Service Manual: Knock sensor (2AZ-FE)

REPLACEMENT

1. DRAIN ENGINE COOLANT (See page 16-6 )

2. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE (See page 14-24 )

3. REMOVE THROTTLE BODY ASSY (See page 10-6 )

4. REMOVE INTAKE MANIFOLD

(a) Remove the 5 bolts, 2 nuts, intake manifold and gasket.

5. REMOVE KNOCK SENSOR

(a) Disconnect the sensor connector.

(b) Remove the nut and sensor.

6. INSTALL KNOCK SENSOR

(a) Install the sensor with the nut.

Torque: 20 NVm (199 kgfVcm, 14 ftVlbf)

HINT:Angling the knock sensor below the horizontal (below 0 ) is recommended.

(b) Connect the sensor connector.

7. INSTALL INTAKE MANIFOLD

(a) Install a new gasket and the intake manifold with the 5 bolts and 2 nuts.

Torque: 30 NVm (305 kgfVcm, 22 ftVlbf)

8. INSTALL THROTTLE BODY ASSY (See page 10-6 )

9. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE (See page 14-24 )

10. ADD ENGINE COOLANT (See page 16-6 )

11. CHECK FOR ENGINE COOLANT LEAKS (See page 16-1 )