Last Modified: 11-29-2007 1.6 A
Service Category: Engine/Hybrid System Section: Engine Mechanical
Model Year: 2008 Model: Sequoia Doc ID: RM000002BRO00DX
Title: 2UZ-FE ENGINE MECHANICAL: ENGINE ASSEMBLY: REMOVAL (2008 Sequoia)

REMOVAL

1. DISCHARGE FUEL SYSTEM PRESSURE 2UZ-FE FUEL: FUEL INJECTOR: REMOVAL (2008 Sequoia)+

2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

NOTICE:

When disconnecting the cable, some system need to be initialized after the cable is reconnected INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION (2008 Sequoia) .

3. REMOVE NO. 1 ENGINE UNDER COVER 2UZ-FE LUBRICATION: OIL AND OIL FILTER: REPLACEMENT (2008 Sequoia)+

4. DRAIN ENGINE COOLANT 2UZ-FE COOLING: COOLANT: REPLACEMENT (2008 Sequoia)+

5. DRAIN ENGINE OIL 2UZ-FE LUBRICATION: OIL AND OIL FILTER: REPLACEMENT (2008 Sequoia)+

6. REMOVE HOOD SUB-ASSEMBLY

(a) Using a screwdriver, remove the hood support assembly while releasing the 2 clips.

HINT:

Tape the screwdriver tip before use.

CAUTION:

Remove the hood support assembly while supporting the hood by hand.

(b) Remove the 4 bolts and hood.

7. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL (2008 Sequoia)+

8. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL (2008 Sequoia)+

9. REMOVE FRONT FENDER TO COWL SIDE SEAL LH WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL (2008 Sequoia)+

10. REMOVE FRONT FENDER TO COWL SIDE SEAL RH WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL (2008 Sequoia)+

11. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL (2008 Sequoia)+

12. REMOVE FRONT WIPER MOTOR AND LINK ASSEMBLY WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL (2008 Sequoia)+

13. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY 2UZ-FE INTAKE / EXHAUST: INTAKE MANIFOLD: REMOVAL (2008 Sequoia)+

14. REMOVE THROTTLE BODY COVER SUB-ASSEMBLY 2UZ-FE ENGINE CONTROL: THROTTLE BODY: REMOVAL (2008 Sequoia)+

15. REMOVE AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE



(a) Disconnect the air flow meter connector.

(b) Separate the wire harness.

(c) Disconnect the vacuum hose and No. 2 ventilation hose.

(d) Loosen the air cleaner hose clamp.

(e) Remove the 2 bolts and air cleaner with air cleaner hose assembly.

16. REMOVE RADIATOR ASSEMBLY

(a) Remove the radiator assembly 2UZ-FE COOLING: RADIATOR: REMOVAL (2008 Sequoia) .

17. REMOVE EFI FUEL PIPE CLAMP 2UZ-FE FUEL: FUEL INJECTOR: REMOVAL (2008 Sequoia)+

18. DISCONNECT NO. 2 FUEL PIPE SUB-ASSEMBLY



(a) Pinch the retainer as illustrated, and then pull the fuel tube connector out of the pipe.

NOTICE:

  • Remove any dirt and foreign matter from the fuel tube connector before performing this work.
  • Do not allow any scratches or foreign matter onto the parts when disconnecting, as the fuel tube connector has the O-rings that seals the pipe.
  • Perform this work by hand. Do not use any tools.
  • Do not forcibly bend, twist or turn the nylon tube.
  • Protect the disconnected part by covering it with a vinyl bag after disconnecting the fuel tube.
  • If the fuel tube connector and pipe are stuck, push and pull to release them.

19. DISCONNECT NO. 1 FUEL PIPE SUB-ASSEMBLY



(a) Pinch the retainer as illustrated, and then pull the fuel tube connector out of the pipe.

NOTICE:

  • Remove any dirt and foreign matter from the fuel tube connector before performing this work.
  • Do not allow any scratches or foreign matter onto the parts when disconnecting, as the fuel tube connector has the O-rings that seals the pipe.
  • Perform this work by hand. Do not use any tools.
  • Do not forcibly bend, twist or turn the nylon tube.
  • Protect the disconnected part by covering it with a vinyl bag after disconnecting the fuel tube.
  • If the fuel tube connector and pipe are stuck, push and pull to release them.

20. DISCONNECT VACUUM HOSE ASSEMBLY 2UZ-FE INTAKE / EXHAUST: INTAKE MANIFOLD: REMOVAL (2008 Sequoia)+

21. DISCONNECT INLET HEATER WATER HOSE B



(a) Disconnect the inlet heater water hose B.

22. DISCONNECT OUTLET HEATER WATER HOSE B



(a) Disconnect the outlet heater water hose B.

23. DISCONNECT OUTLET HEATER WATER HOSE C



(a) Disconnect the outlet heater water hose C.

24. DISCONNECT INLET HEATER WATER HOSE C



(a) Disconnect the inlet heater water hose C.

25. DISCONNECT NO. 2 AIR INJECTION SYSTEM HOSE



(a) Disconnect the No. 2 air injection system hose.

26. SEPARATE ENGINE WIRE



(a) Disconnect the clamp and ECM connector.

(b) Disconnect the 5 connectors.

(c) Disconnect the air pump connector and remove the bolt and connector bracket.

(d) Remove the bolt and disconnect the ground wire.

(e) Remove the nut and disconnect the wire from the positive (+) battery terminal.

(f) Disconnect the positive (+) battery terminal.

(g) Remove the bolt and disconnect the ground wire.

(h) Disconnect the 4 air injection control driver connectors.

(i) Remove the nut and disconnect the wire from the engine room junction block.

(j) Disconnect the 3 connectors from the engine room junction block.

27. SEPARATE COOLER COMPRESSOR ASSEMBLY 2UZ-FE ENGINE MECHANICAL: TIMING BELT: REMOVAL (2008 Sequoia)+

28. SEPARATE VANE PUMP ASSEMBLY 2UZ-FE ENGINE MECHANICAL: TIMING BELT: REMOVAL (2008 Sequoia)+

29. REMOVE GENERATOR ASSEMBLY 2UZ-FE BATTERY / CHARGING: GENERATOR: REMOVAL (2008 Sequoia)+

30. REMOVE NO. 1 WATER BY-PASS PIPE

(a) Remove the 2 bolts and water by-pass pipe.

31. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY (for 2WD)

(a) Remove the automatic transmission assembly A750E AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION ASSEMBLY: REMOVAL (2008 Sequoia) .

32. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY (for 4WD)

(a) Remove the automatic transmission assembly A750F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION ASSEMBLY: REMOVAL (2008 Sequoia) .

33. REMOVE DRIVE PLATE AND RING GEAR SUB-ASSEMBLY

(a) Using SST, hold the crankshaft.

SST: 09213-70011

09213-70020

SST: 09330-00021

(b) Remove the 8 bolts, front drive plate spacer, drive plate and rear drive plate spacer.

34. REMOVE OIL COOLER TUBE

(a) Remove the 2 bolts and oil cooler tube.

35. REMOVE ENGINE ASSEMBLY

(a) Attach an engine sling device and hang the engine with a chain block.

(b) Remove the 4 engine mounting insulator bolts.

(c) Lift the engine out from the vehicle slowly and carefully.

NOTICE:

Make sure the engine is clear of all wiring, hoses and cables.

36. REMOVE NO. 3 AIR TUBE 2UZ-FE EMISSION CONTROL: AIR SWITCHING VALVE: REMOVAL (2008 Sequoia)+

37. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR 2UZ-FE INTAKE / EXHAUST: EXHAUST MANIFOLD: REMOVAL (2008 Sequoia)+

38. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY LH 2UZ-FE INTAKE / EXHAUST: EXHAUST MANIFOLD: REMOVAL (2008 Sequoia)+

39. REMOVE NO. 3 AIR INJECTION SYSTEM HOSE 2UZ-FE EMISSION CONTROL: AIR SWITCHING VALVE: REMOVAL (2008 Sequoia)+

40. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE 2UZ-FE LUBRICATION: OIL PUMP: REMOVAL (2008 Sequoia)+

41. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR 2UZ-FE INTAKE / EXHAUST: EXHAUST MANIFOLD: REMOVAL (2008 Sequoia)+

42. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH 2UZ-FE INTAKE / EXHAUST: EXHAUST MANIFOLD: REMOVAL (2008 Sequoia)+

43. INSTALL ENGINE ON ENGINE STAND

(a) Install the engine onto an engine stand with the bolts.