Knock Sensor: Service and Repair
REMOVAL1. DISCHARGE FUEL SYSTEM PRESSURE
2. DRAIN COOLANT
3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
4. REMOVE NO. 1 ENGINE COVER
5. REMOVE AIR CLEANER CAP
6. REMOVE THROTTLE BODY
7. REMOVE FUEL DELIVERY PIPE
8. DISCONNECT FUEL TUBE
9. REMOVE HEATER WATER INLET HOSE
a. Remove the hose clamp.
b. Remove the heater water inlet hose from the heater radiator unit and cylinder head.
10. REMOVE HEATER WATER OUTLET HOSE
a. Remove the heater water outlet hose from the heater radiator unit and water by-pass pipe.
11. REMOVE INTAKE MANIFOLD
a. Disconnect the union to check valve hose from the brake booster.
b. Disconnect the camshaft timing oil control valve connector.
c. Remove the wire harness clamp.
d. Remove the union to check valve hose from the vacuum hose clamp.
e. Remove the 5 bolts, 2 nuts and intake manifold.
f. Remove the gasket from the intake manifold.
12. REMOVE INTAKE MANIFOLD INSULATOR
a. Remove the intake manifold insulator from the cylinder block.
13. REMOVE KNOCK SENSOR
a. Disconnect the sensor connector.
b. Remove the nut and sensor.
INSTALLATION
1. INSTALL KNOCK SENSOR
a. Install the sensor with the nut.
Torque: 20 N.m (205 kgf.cm, 15 ft.lbf)
NOTE: Make sure that the knock sensor is in the correct position.
b. Connect the sensor connector.
2. INSTALL INTAKE MANIFOLD INSULATOR
a. Install the intake manifold insulator onto the cylinder block.
3. INSTALL INTAKE MANIFOLD
a. Install a new gasket into the intake manifold.
b. Install the intake manifold with the 5 bolts and 2 nuts.
Torque: 30 N.m (305 kgf.cm, 22 ft.lbf)
c. Fit the union to check valve hose into the vacuum hose clamp.
d. Install the wire harness clamp.
e. Connect the camshaft timing oil control valve connector.
f. Connect the union to check valve hose to the brake booster.
4. CONNECT HEATER WATER OUTLET HOSE
a. Install the heater water outlet hose to the water bypass pipe and heater radiator unit.
5. CONNECT HEATER WATER INLET HOSE
a. Install the heater water inlet hose to the cylinder head and heater radiator unit.
b. Install the hose clamp.
6. INSTALL FUEL TUBE
7. INSTALL FUEL DELIVERY PIPE
8. INSTALL THROTTLE BODY
9. INSTALL AIR CLEANER CAP
10. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
11. ADD ENGINE COOLANT
12. CHECK FOR ENGINE COOLANT LEAKAGE
13. CHECK FOR FUEL LEAKAGE
14. INSTALL NO. 1 ENGINE COVER