Last Modified: 11-29-2007 1.6 A
Service Category: Engine/Hybrid System Section: Engine Mechanical
Model Year: 2008 Model: Sequoia Doc ID: RM0000030XO005X
Title: 3UR-FE ENGINE MECHANICAL: ENGINE UNIT: DISASSEMBLY (2008 Sequoia)

DISASSEMBLY

1. REMOVE OIL FILTER DRAIN PLUG 3UR-FE LUBRICATION: OIL AND OIL FILTER: REPLACEMENT (2008 Sequoia)+

2. REMOVE OIL FILTER CAP ASSEMBLY 3UR-FE LUBRICATION: OIL AND OIL FILTER: REPLACEMENT (2008 Sequoia)+

3. REMOVE OIL FILTER ELEMENT 3UR-FE LUBRICATION: OIL AND OIL FILTER: REPLACEMENT (2008 Sequoia)+

4. REMOVE NO. 1 OIL COOLER BRACKET (w/ Oil Cooler) 3UR-FE LUBRICATION: ENGINE OIL COOLER: REMOVAL (2008 Sequoia)+

5. REMOVE OIL FILTER BRACKET 3UR-FE LUBRICATION: ENGINE OIL COOLER: REMOVAL (2008 Sequoia)+

6. REMOVE CRANKSHAFT PULLEY 3UR-FE ENGINE MECHANICAL: FRONT CRANKSHAFT OIL SEAL: REMOVAL (2008 Sequoia)+

7. REMOVE OIL FILLER CAP SUB-ASSEMBLY

8. REMOVE OIL FILLER CAP HOUSING

(a) Remove the 2 bolts, filler cap housing and gasket.

9. REMOVE SPARK PLUG

10. REMOVE VVT SENSOR (for Bank 1)

(a) Remove the 2 bolts and 2 VVT sensors.

11. REMOVE VVT SENSOR (for Bank 2)

(a) Remove the 2 bolts and 2 VVT sensors.

12. REMOVE CAMSHAFT POSITION SENSOR

(a) Remove the bolt and camshaft position sensor.

13. REMOVE CRANK POSITION SENSOR PROTECTOR



(a) Remove the 2 bolts and sensor protector.

14. REMOVE CRANKSHAFT POSITION SENSOR

(a) Remove the bolt and crankshaft position sensor.

15. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY LH

(a) Remove the 2 bolts and 2 oil control valves.

16. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY RH

(a) Remove the 2 bolts and 2 oil control valves.

17. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY LH 3UR-FE LUBRICATION: OIL PUMP: REMOVAL (2008 Sequoia)+

18. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY 3UR-FE LUBRICATION: OIL PUMP: REMOVAL (2008 Sequoia)+

19. REMOVE OIL CONTROL VALVE FILTER LH

(a) Remove the 3 bolts, cylinder head cover spacer, gasket and valve filter.

20. REMOVE OIL CONTROL VALVE FILTER RH

(a) Remove the 3 bolts, cylinder head cover spacer, gasket and valve filter.

21. REMOVE SPARK PLUG TUBE GASKET



(a) Bend the 4 ventilation baffle plate claws on the cylinder head cover to an angle of 90° or more.

(b) Using a screwdriver, pry out the gaskets.

NOTICE:

Be careful not to damage the cylinder head cover.

HINT:

  • Be careful not to damage the gasket when removing it, as the removed gasket needs to be used when installing a new one.
  • Tape the screwdriver tip before use.

22. REMOVE TIMING CHAIN OR BELT COVER SUB-ASSEMBLY 3UR-FE LUBRICATION: OIL PUMP: REMOVAL (2008 Sequoia)+

23. REMOVE INLET WATER PIPE 3UR-FE LUBRICATION: OIL PUMP: REMOVAL (2008 Sequoia)+

24. REMOVE TIMING GEAR CASE OR TIMING CHAIN CASE OIL SEAL

(a) Place the timing chain cover on wooden blocks.

(b) Place the oil pump on a wooden block.

(c) Using a screwdriver and wooden block, pry out the oil seal.

NOTICE:

Do not damage the surface of the oil seal press fit hole.

HINT:

Tape the screwdriver tip before use.

25. SET NO. 1 CYLINDER TO TDC / COMPRESSION 3UR-FE ENGINE MECHANICAL: CAMSHAFT: REMOVAL (2008 Sequoia)+

26. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY (for LH Side) 3UR-FE ENGINE MECHANICAL: CAMSHAFT: REMOVAL (2008 Sequoia)+

27. REMOVE CHAIN TENSIONER SLIPPER (for LH Side)

28. REMOVE NO. 1 CHAIN VIBRATION DAMPER (for LH Side) 3UR-FE ENGINE MECHANICAL: CAMSHAFT: REMOVAL (2008 Sequoia)+

29. REMOVE CHAIN SUB-ASSEMBLY (for LH Side) 3UR-FE ENGINE MECHANICAL: CAMSHAFT: REMOVAL (2008 Sequoia)+

30. REMOVE NO. 3 CHAIN TENSIONER ASSEMBLY 3UR-FE ENGINE MECHANICAL: CAMSHAFT: REMOVAL (2008 Sequoia)+

31. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY (for RH Side) 3UR-FE ENGINE MECHANICAL: CAMSHAFT: REMOVAL (2008 Sequoia)+

32. REMOVE CHAIN TENSIONER SLIPPER (for RH Side)

33. REMOVE NO. 1 CHAIN VIBRATION DAMPER (for RH Side) 3UR-FE ENGINE MECHANICAL: CAMSHAFT: REMOVAL (2008 Sequoia)+

34. REMOVE CHAIN SUB-ASSEMBLY (for RH Side) 3UR-FE ENGINE MECHANICAL: CAMSHAFT: REMOVAL (2008 Sequoia)+

35. REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY 3UR-FE ENGINE MECHANICAL: CAMSHAFT: REMOVAL (2008 Sequoia)+

36. REMOVE CRANKSHAFT TIMING GEAR KEY



(a) Using a screwdriver, remove the 2 timing gear keys from the crankshaft.

37. REMOVE CAMSHAFTS (for Bank 1) 3UR-FE ENGINE MECHANICAL: CAMSHAFT: REMOVAL (2008 Sequoia)+

38. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY LH 3UR-FE ENGINE MECHANICAL: CAMSHAFT: REMOVAL (2008 Sequoia)+

39. REMOVE CAMSHAFTS (for Bank 2) 3UR-FE ENGINE MECHANICAL: CAMSHAFT: REMOVAL (2008 Sequoia)+

40. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY RH 3UR-FE ENGINE MECHANICAL: CAMSHAFT: REMOVAL (2008 Sequoia)+

41. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY 3UR-FE ENGINE MECHANICAL: CYLINDER HEAD GASKET: REMOVAL (2008 Sequoia)+

42. REMOVE VALVE LASH ADJUSTER ASSEMBLY 3UR-FE ENGINE MECHANICAL: CYLINDER HEAD GASKET: REMOVAL (2008 Sequoia)+

43. REMOVE VALVE STEM CAP 3UR-FE ENGINE MECHANICAL: CYLINDER HEAD GASKET: REMOVAL (2008 Sequoia)+

44. REMOVE CYLINDER HEAD LH 3UR-FE ENGINE MECHANICAL: CYLINDER HEAD GASKET: REMOVAL (2008 Sequoia)+

45. REMOVE NO. 2 CYLINDER HEAD GASKET

46. REMOVE CYLINDER HEAD SUB-ASSEMBLY 3UR-FE ENGINE MECHANICAL: CYLINDER HEAD GASKET: REMOVAL (2008 Sequoia)+

47. REMOVE CYLINDER HEAD GASKET

48. REMOVE CYLINDER BLOCK WATER JACKET SPACER



(a) Remove the 2 water jacket spacers from the cylinder head.

NOTICE:

Be sure to remove the water jacket spacers. If not, they may fall and become damaged when the cylinder block is inverted.

49. REMOVE VENTILATION PIPE GASKET

(a) Using a screwdriver, pry out the ventilation pipe gasket.

HINT:

Tape the screwdriver tip before use.

50. REMOVE NO. 1 HEAT EXCHANGER COVER

(a) Remove the 11 bolts and 2 nuts.

(b) Remove the heat exchanger by prying between the heat exchanger and cylinder block with a screwdriver.

HINT:

Tape the screwdriver tip before use.

51. REMOVE NO. 2 OIL PAN SUB-ASSEMBLY

(a) Remove the 14 bolts and 2 nuts.

(b) Insert the blade of oil pan seal cutter between the oil pans. Cut through the applied sealer and remove the No. 2 oil pan.

NOTICE:

Be careful not to damage the contact surfaces of the oil pans.

52. REMOVE OIL PAN SUB-ASSEMBLY

(a) Remove the 14 bolts and 2 nuts.

HINT:

Be sure to clean the bolts and stud bolts, and check the threads for cracks or other damage.

(b) Remove the oil pan by prying between the oil pan and cylinder block with a screwdriver.

NOTICE:

Be careful not to damage the contact surfaces of the cylinder block and oil pan.

HINT:

Tape the screwdriver tip before use.

53. REMOVE NO. 1 OIL PAN BAFFLE PLATE

(a) Remove the 7 bolts and baffle plate.

54. REMOVE OIL STRAINER SUB-ASSEMBLY

(a) Remove the 2 bolts, oil strainer and O-ring.

55. REMOVE ENGINE REAR OIL SEAL RETAINER

(a) Remove the 6 bolts and oil seal retainer.

(b) Using a screwdriver, pry out the oil seal retainer.

HINT:

Tape the screwdriver tip before use.

56. REMOVE OIL DRAIN PIPE SUB-ASSEMBLY

(a) Remove the bolt and oil drain pipe.

(b) Remove the O-ring.

57. REMOVE ENGINE REAR OIL SEAL

(a) Place the oil seal retainer on wooden blocks.

(b) Using a screwdriver and hammer, tap out the oil seal.

58. REMOVE RING PIN

NOTICE:

It is not necessary to remove the ring pin unless it is being replaced.

59. REMOVE STUD BOLT

NOTICE:

If the stud bolt is deformed or its threads are damaged, replace it.