Knock Sensor: Service and Repair
REPLACEMENT1. DISCHARGE FUEL SYSTEM PRESSURE
2. DRAIN ENGINE COOLANT
3. REMOVE FRONT WIPER ARM HEAD CAP
4. REMOVE FR WIPER ARM LH
5. REMOVE FR WIPER ARM RH
6. REMOVE COWL TOP VENTILATOR LOUVER SUB ASSY
7. REMOVE WINDSHIELD WIPER MOTOR ASSY
8. REMOVE COWL TOP TO COWL BRACE INNER NO.1
9. REMOVE COWL TOP PANEL SUB ASSY OUTER FRONT
10. REMOVE V-BANK COVER SUB ASSY
11. REMOVE AIR CLEANER CAP SUB ASSY
12. REMOVE EMISSION CONTROL VALVE SET
13. REMOVE INTAKE AIR SURGE TANK
14. REMOVE INTAKE MANIFOLD
a. Disconnect the fuel pipe No. 1.
1. Remove the EFI fuel pipe clamp.
2. Pinch the tube connector and then pull out the fuel pipe No. 1.
NOTE:
- Check if there is any dirt or mud around the connector before this operation and remove the dirt as necessary.
- Be careful of mud because the quick connector has an O-ring which seals the pipe and connector that can be contaminated.
- Do not use any tool in this operation.
- Do not bend or twist the nylon tube. Protect the connector by covering it with a vinyl or plastic bag.
- When the pipe and connector are stuck, push and pull the connector to release and pull the connector out carefully.
b. Lock the hose clamp as shown in the illustration.
c. Disconnect the heater water inlet hose B.
d. Remove the nut and the ground cable.
e. Disconnect the 6 fuel injector connectors.
f. In order to remove the intake manifold, using several steps, remove the 9 bolts and the 2 nuts in the sequence shown in the illustration.
15. REMOVE ENGINE MOUNTING STAY RH
a. Remove the 2 bolts and the engine mounting stay.
16. REMOVE WATER OUTLET
a. Disconnect the radiator hose inlet.
b. Disconnect the radiator reserve tank hose.
c. Disconnect the engine coolant temperature sensor connector.
d. Remove the clamp.
e. Remove the 2 bolts, the 2 nuts and the 2 washers.
f. Lock the hose clamp as shown in the illustration and remove the water outlet together with the water by pass hose No. 1.
g. Remove the 2 gaskets from the 2 cylinder heads.
17. REMOVE KNOCK SENSOR
a. Disconnect the 2 knock sensor connectors.
b. Remove the 2 nuts and the 2 knock sensors.
18. INSTALL KNOCK SENSOR
a. Install the 2 knock sensors with the 2 nuts as shown in the illustration.
Torque: 20 N.m (199 kgf.cm, 14 ft.lbf)
b. Connect the 2 knock sensor connectors.
19. INSTALL WATER OUTLET
a. Install 2 new gaskets to the 2 cylinder heads.
b. Install the water outlet together with the water by pass hose No. 1 and unlock the hose clamp.
c. Tighten the 2 bolts, the 2 nuts and 2 washers.
Torque: 15 N.m (153 kgf.cm, 11 ft.lbf)
d. Install the clamp.
e. Connect the engine coolant temperature sensor connector.
f. Connect the radiator reserve tank hose.
g. Connect the radiator hose inlet.
20. INSTALL ENGINE MOUNTING STAY RH
Torque: 23 N.m (235 kgf.cm, 17 ft.lbf)
21. INSTALL INTAKE MANIFOLD
a. Install the intake manifold with the 9 bolts and the 2 nuts. Using several steps, tighten the bolts and the nuts uniformly in the sequence shown in the illustration.
b. Retighten the 2 bolts and 2 nuts of the water outlet.
Torque: 15 N.m (153 kgf.cm, 11 ft.lbf)
c. Retighten the water outlet mounting bolts and nuts.
Torque: 15 N.m (153 kgf.cm, 11 ft.lbf)
d. Install the ground cable with the nut.
Torque: 8.4 N.m (86 kgf.cm, 74 in.lbf)
e. Connect the heater water inlet hose B.
f. Connect the fuel pipe No. 1.
1. Push in the fuel tube connector to the pipe until fuel tube connector makes click sound.
NOTE:
- Check if there is any damage or foreign objects on the connected part.
- After connecting, check if the connector and the pipe are securely connected by pulling on them.
2. Install the EFI fuel pipe clamp.
22. INSTALL INTAKE AIR SURGE TANK
23. INSTALL EMISSION CONTROL VALVE SET
24. INSTALL AIR CLEANER CAP SUB ASSY
25. ADD ENGINE COOLANT
26. CHECK FOR FUEL LEAKS
27. CHECK FOR ENGINE COOLANT LEAKS
28. INSTALL V-BANK COVER SUB ASSY
29. INSTALL COWL TOP PANEL SUB ASSY OUTER FRONT
30. INSTALL COWL TOP TO COWL BRACE INNER NO.1
31. INSTALL WINDSHIELD WIPER MOTOR ASSY
32. INSTALL COWL TOP VENTILATOR LOUVER SUB ASSY
33. INSTALL FR WIPER ARM RH
34. INSTALL FR WIPER ARM LH
35. INSTALL FRONT WIPER ARM HEAD CAP