Removal

1GR-FE ENGINE CONTROL SYSTEM: KNOCK SENSOR (for 4WD and Pre-Runner):

REMOVAL

1. DISCHARGE FUEL SYSTEM PRESSURE (Technician Safety Information)

2. REMOVE BATTERY
3. DRAIN ENGINE COOLANT (Service and Repair)

4. DRAIN ENGINE OIL (Removal)

5. REMOVE POWER STEERING LINK ASSEMBLY (Steering Gear)

6. REMOVE DIFFERENTIAL CARRIER ASSEMBLY FRONT (4WD DRIVE TYPE)
7. REMOVE TIMING CHAIN OR BELT COVER SUB-ASSEMBLY (Removal)

8. REMOVE CHAIN SUB-ASSEMBLY
9. REMOVE COOL AIR INLET NO.1
(a) Remove the 2 bolts, then remove the cool air inlet.
10. REMOVE EXHAUST FRONT PIPE ASSEMBLY NO.2 (Removal)

11. REMOVE EXHAUST PIPE ASSEMBLY FRONT (Removal)

12. REMOVE MANIFOLD STAY
(a) Remove the 6 bolts, then remove the 2 exhaust manifold stays.
13. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH (Removal)

14. DISCONNECT FUEL PIPE SUB-ASSEMBLY NO.1 (Removal)

15. DISCONNECT FUEL PIPE SUB-ASSEMBLY NO.2 (Removal)

16. REMOVE INTAKE MANIFOLD (Removal)

17. REMOVE WATER BY-PASS JOINT RR (Removal)

18. REMOVE CHAIN VIBRATION DAMPER NO.1 (Removal)

19. REMOVE CAMSHAFT TIMING GEARS AND NO.2 CHAIN (RH BANK) (Removal)

20. REMOVE CHAIN TENSIONER ASSEMBLY NO.2 (Removal)

21. REMOVE CAMSHAFTS (Removal)

22. REMOVE CAMSHAFT BEARING NO.2
23. REMOVE CYLINDER HEAD SUB-ASSEMBLY (Removal)





24. DISCONNECT HEATER WATER INLET HOSE





25. REMOVE WATER OUTLET PIPE NO.1
(a) Remove the 4 wire harness clamps.
(b) Remove the 3 bolts and water outlet pipe.





26. REMOVE KNOCK CONTROL SENSOR
(a) Disconnect the 2 knock sensor connectors.
(b) Remove the 2 bolts and 2 knock sensors.