Toyota Highlander manuals

Toyota Highlander Service Manual: Camshaft (LH BANK) (3MZ-FE)

Toyota Highlander Service Manual / Emission control / Camshaft (LH BANK) (3MZ-FE)

REPLACEMENT

1. DRAIN ENGINE COOLANT (See page 16-26 )

2. REMOVE FR WIPER ARM LH (See page 66-7 )

3. REMOVE FR WIPER ARM RH (See page 66-7 )

4. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSY (See page 66-7 )

5. REMOVE WINDSHIELD WIPER LINK ASSY (See page 66-7 )

6. REMOVE COWL PANEL SUB-ASSY

7. REMOVE FRONT SUSPENSION BRACE SUB-ASSY UPPER CENTER

8. REMOVE V-BANK COVER SUB-ASSY (See page 14-149 )

9. REMOVE RADIATOR HOSE INLET

10. REMOVE IGNITION COIL ASSY

11. REMOVE CYLINDER HEAD COVER SUB-ASSY LH (See page 14-173 )

12. REMOVE FRONT WHEEL RH

13. REMOVE ENGINE UNDER COVER NO.1

14. REMOVE FRONT FENDER APRON SEAL RH

15. REMOVE V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO.1 (See page 14-125 )

16. REMOVE VANE PUMP V BELT (See page 14-125 )

17. REMOVE ENGINE MOVING CONTROL ROD (See page 14-149 )

18. REMOVE ENGINE MOUNTING STAY NO.2 RH (See page 14-149 )

19. REMOVE GENERATOR BRACKET NO.2

20. REMOVE CRANKSHAFT PULLEY (See page 14-173 )

21. REMOVE TIMING BELT NO.1 COVER

22. REMOVE TIMING BELT NO.2 COVER (See page 14-206 )

23. REMOVE ENGINE MOUNTING BRACKET RH

24. REMOVE TIMING BELT GUIDE NO.2

25. REMOVE TIMING BELT (See page 14-206 )

26. REMOVE TIMING BELT IDLER SUB-ASSY NO.2

27. REMOVE CAMSHAFT TIMING PULLEY

REMOVE CAMSHAFT TIMING PULLEY


(a) Using SST, remove the bolt and RH timing pulley.

SST 09960- 10010 (09962- 01000, 09963- 01000), 09249-63010

REMOVE CAMSHAFT TIMING PULLEY


(b) Using SST, remove the bolt and LH timing pulley.

SST 09960-10010 (09962-01000, 09963-01000)

HINT: Arrange the camshaft timing pulleys (RH and LH sides) so that they can be returned to their original locations when reassembled.

28. REMOVE TIMING BELT NO.3 COVER

REMOVE TIMING BELT NO.3 COVER


(a) Disconnect the 3 engine wire harness clamps from the timing belt No. 3 cover.

(b) Remove the 6 bolts and the timing belt cover.

29. REMOVE NO.3 CAMSHAFT SUB-ASSY

NOTICE: Since the thrust clearance of the camshaft is small, the camshaft must be kept level while it is being removed. If the camshaft is not kept level, damage to the cylinder head or to the camshaft may result. To avoid this, the following steps must be carried out.

REMOVE NO.3 CAMSHAFT SUB-ASSY


(a) Align the camshaft drive and driven gear's timing marks (1 dot mark each) by turning the camshaft with a wrench.

REMOVE NO.3 CAMSHAFT SUB-ASSY


(b) Secure the exhaust camshaft sub gear to the main gear with a service bolt.

Recommended service bolt:

REMOVE NO.3 CAMSHAFT SUB-ASSY


Torque: 5.0 NVm (51 kgfVcm, 44 in.Vlbf)

HINT: When removing the camshaft, make certain that the torsional spring force of the sub gear has been eliminated by installation of the service bolt.

REMOVE NO.3 CAMSHAFT SUB-ASSY


(c) Uniformly loosen and remove the 10 bearing cap bolts in the sequence shown in the illustration. Remove the 5 bearing caps and the No. 3 camshaft.

NOTICE:

30. REMOVE NO.4 CAMSHAFT SUB-ASSY

REMOVE NO.4 CAMSHAFT SUB-ASSY


(a) Uniformly loosen and remove the 10 bearing cap bolts in the sequence shown in the illustration. Remove the 5 bearing caps and the No. 4 camshaft.

NOTICE:

(b) Remove the oil seal from the No. 4 camshaft.

31. REMOVE CAMSHAFT TIMING GEAR ASSY

REMOVE CAMSHAFT TIMING GEAR ASSY


NOTICE:

(a) Clamp the camshaft in a vise on the hexagonal lobe.

NOTICE: Do not damage the camshaft.

REMOVE CAMSHAFT TIMING GEAR ASSY


(b) Using a 46 mm socket wrench, remove the lock nut by turning it clockwise.

NOTICE:

(c) Remove the timing gear (VVT-i).

NOTICE: Never remove the 3 bolts on the gear.

If it is difficult to remove the VVT-i, tap it lightly using a plasticfaced hammer and then remove it.

32. REMOVE CAMSHAFT SUB GEAR NO.3

REMOVE CAMSHAFT SUB GEAR NO.3


(a) Clamp the camshaft in a vise on the hexagonal lobe.

NOTICE: Be careful not to damage the camshaft.

REMOVE CAMSHAFT SUB GEAR NO.3


(b) Using SST, turn the sub gear counterclockwise, and remove the service bolt.

SST 09960-10010 (09962-01000, 09963-00500)

REMOVE CAMSHAFT SUB GEAR NO.3


(c) Using snap ring pliers, remove the snap ring.

(d) Remove the wave washer, camshaft sub gear and camshaft gear bolt washer.

HINT: Arrange the camshaft sub gears and gear bolt washers (RH and LH sides) so that they can be returned to their original location when reassembled.

33. INSTALL CAMSHAFT SUB GEAR NO.3

 

(a) Clamp the camshaft in a vise on the hexagonal lobe.

NOTICE: Be careful not to damage the camshaft.

 

(b) Install the camshaft gear bolt washer and the camshaft sub gear.

HINT: Attach the pins on the gears to the gear bolt washer ends.

(c) Install the wave washer.

 

(d) Using snap ring pliers, install the snap ring.

 

(e) Using SST, align the holes of the camshaft main gear and sub gear by turning the camshaft sub gear counterclockwise, and temporarily install a service bolt.

SST 09960-10010 (09962-01000, 09963-00500) (f) Align the gear teeth of the main gear and sub gear, and tighten the service bolt.

Torque: 5.0 NVm (51 kgfVcm, 44 in.Vlbf)

NOTICE: Be careful not to damage the camshaft journals.

HINT: When installing the camshaft, make certain that the torsional spring force of the sub gear has been eliminated by installation of the service bolt.

34. INSTALL CAMSHAFT TIMING GEAR ASSY

INSTALL CAMSHAFT TIMING GEAR ASSY


(a) Align the alignment pin with the alignment pin groove and install the VVT-i on the camshaft.

NOTICE: Install the VVT-i with the lock-pin engaged and locked at the extreme retarded angle position.

(b) Apply engine oil on the nut, the mounting surface of the VVT-i and the screw threads.

NOTICE:

INSTALL CAMSHAFT TIMING GEAR ASSY


(c) Using a 46 mm socket wrench, install and tighten a lock nut by turning it counterclockwise.

Torque: 150 NVm (1,530 kgfVcm, 111 ftVlbf)

NOTICE:

35. INSTALL NO.4 CAMSHAFT SUB-ASSY

NOTICE: Since the thrust clearance of the camshaft is small, the camshaft must be kept level while it is being installed. If the camshaft is not kept level, damage to the cylinder head or to the camshaft may result. To avoid this, the following steps must be carried out.

INSTALL NO.4 CAMSHAFT SUB-ASSY


(a) Apply new engine oil to the thrust portion and journal of the camshaft.

(b) Place the No. 4 camshaft at a 90 angle of the timing mark (1 dot mark) on the cylinder head.

(c) Apply MP grease to a new oil seal lip.

INSTALL NO.4 CAMSHAFT SUB-ASSY


(d) Install the oil seal to the camshaft.

NOTICE:

INSTALL NO.4 CAMSHAFT SUB-ASSY


(e) Remove any old packing material from the contact surface.

(f) Apply seal packing to the No. 1 bearing cap, as shown in the illustration.

Seal packing: Part No. 08826-00080 or equivalent

NOTICE:

INSTALL NO.4 CAMSHAFT SUB-ASSY


(g) Install the 5 bearing caps in their proper locations.

(h) Apply a light coat of engine oil to the threads of the bearing cap bolts.

INSTALL NO.4 CAMSHAFT SUB-ASSY


(i) Uniformly tighten the 10 bearing cap bolts in the sequence shown in the illustration.

Torque: 16 NVm (163 kgfVcm, 12 ftVlbf)

36. INSTALL NO.3 CAMSHAFT SUB-ASSY

NOTICE: Since the thrust clearance of the camshaft is small, the camshaft must be kept level while it is being installed. If the camshaft is not kept level, damage to the cylinder head or to the camshaft may result. To avoid this, the following steps must be carried out.

INSTALL NO.3 CAMSHAFT SUB-ASSY


(a) Apply new engine oil to the thrust portion and journal of the camshaft.

(b) Align the camshaft drive and driven gear's timing marks (1 dot mark each).

(c) Place the camshaft on the cylinder head.

INSTALL NO.3 CAMSHAFT SUB-ASSY


(d) Install the 5 bearing caps in their proper locations.

(e) Apply a light coat of engine oil to the threads of the bearing cap bolts.

INSTALL NO.3 CAMSHAFT SUB-ASSY


(f) Uniformly tighten the 10 bearing cap bolts in the sequence shown in the illustration.

Torque: 16 NVm (163 kgfVcm, 12 ftVlbf) (g) Remove the service bolt.

37. INSTALL TIMING BELT NO.3 COVER

(a) Visually check for cracks and breaks on the gasket of the timing belt cover.

HINT: If water is entering through cracks or breaks in the gasket, repair according to these guidelines: 1) if the crack length is within 2 to 3 cm (0.79 to 1.18 in.), repair with seal packing; or 2) if the crack length is over 3 cm (1.18 in.), replace the gasket.

INSTALL TIMING BELT NO.3 COVER


(b) If the timing belt cover gasket needs to be repaired, follow the procedure below.

  1.  Repair the cracks and breaks by applying the seal packing to the damaged area.

    Seal packing: Part No. 08826-00080 or equivalent

NOTICE: When applying the seal packing, apply it as wide and high as the gasket.

(c) If the timing belt cover gasket needs to be replaced, follow the procedure below.

  1.  Using a screwdriver and gasket scraper, remove the remaining gasket.

NOTICE: Be careful not to damage the timing belt cover.

INSTALL TIMING BELT NO.3 COVER


  1. Remove the backing paper from a new gasket, and affix the gasket along the groove of the timing belt cover, as shown in the illustration.

NOTICE: Affix the gasket in the center of the groove.

At the corners, try to keep the gasket thickness uniform.

Length:

INSTALL TIMING BELT NO.3 COVER


  1. If there is a gap on the joint of the gasket, apply seal packing to close the gap.

    Seal packing: Part No. 08826-00080 or equivalent

NOTICE: When applying the seal packing, apply it as wide and high as the gasket.

(d) Install the timing belt cover with the 6 bolts.

Torque: 9.0 NVm (92 kgfVcm, 80 in.Vlbf)

38. INSTALL CAMSHAFT TIMING PULLEY

INSTALL CAMSHAFT TIMING PULLEY


(a) Install the camshaft timing pulley with the belt guide properly oriented and tighten the bolt temporarily.

HINT:

INSTALL CAMSHAFT TIMING PULLEY


(b) Using SST, tighten the RH pulley bolt.

SST 09960- 10010 (09962- 01000, 09963- 01000), 09249-63010 Torque: 125 NVm (1,275 kgfVcm, 92 ftVlbf)

NOTICE: The torque specification above is for the SST without extension tool specification. Use the special formula to calculate the SST with extension tool torque specification (see page 01-5 ).

Extended length of SST (09249-63010): 150 mm (5.91 in.)

INSTALL CAMSHAFT TIMING PULLEY


(c) Using SST, tighten the LH pulley bolt.

SST 09960-10010 (09962-01000, 09963-01000)

Torque: 125 NVm (1,275 kgfVcm, 92 ftVlbf)

39. INSTALL TIMING BELT IDLER SUB-ASSY NO.2 Torque: 43 NVm (438 kgfVcm, 32 ftVlbf)

40. INSPECT TIMING BELT (See page 14-206 )

41. INSTALL TIMING BELT (See page 14-206 )

42. INSTALL TIMING BELT TENSIONER ASSY (See page 14-206 )

43. INSTALL TIMING BELT GUIDE NO.2 (See page 14-206 )

44. INSTALL ENGINE MOUNTING BRACKET RH Torque: 28 NVm (286 kgfVcm, 21 ftVlbf)

45. INSTALL TIMING BELT NO.2 COVER (See page 14-206 )

46. INSTALL TIMING BELT NO.1 COVER (See page 14-206 )

47. INSTALL CRANKSHAFT PULLEY (See page 14-173 )

48. INSTALL GENERATOR BRACKET NO.2 Torque: 28 NVm (286 kgfVcm, 21 ftVlbf)

49. INSTALL ENGINE MOUNTING STAY NO.2 RH (See page 14-149 )

50. INSTALL ENGINE MOVING CONTROL ROD (See page 14-149 )

51. INSPECT VALVE CLEARANCE (See page 14-127 )

52. ADJUST VALVE CLEARANCE (See page 14-127 )

53. INSTALL VANE PUMP V BELT (See page 14-125 )

54. INSTALL V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO.1 (See page 14-125 )

55. INSPECT DRIVE BELT TENSION (See page 14-121 )

56. INSTALL CYLINDER HEAD COVER SUB-ASSY LH (See page 14-173 )

57. INSTALL IGNITION COIL ASSY Torque: 8.0 NVm (82 kgfVcm, 71 in.Vlbf)

58. INSTALL RADIATOR HOSE INLET

59. INSTALL V-BANK COVER SUB-ASSY (See page 14-149 )

60. INSTALL FRONT SUSPENSION BRACE SUB-ASSY UPPER CENTER Torque: 80 NVm (816 kgfVcm, 59 ftVlbf)

61. INSTALL COWL PANEL SUB-ASSY

62. INSTALL WINDSHIELD WIPER LINK ASSY (See page 66-7 )

63. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSY (See page 66-7 )

64. INSTALL FR WIPER ARM LH (See page 66-7 )

65. INSTALL FR WIPER ARM RH (See page 66-7 )

66. INSTALL FRONT WHEEL RH

67. ADD ENGINE COOLANT (See page 16-26 )

68. CHECK FOR ENGINE COOLANT LEAKS (See page 16-20 )

Camshaft (RH BANK) (3MZ-FE)
REPLACEMENT 1. DRAIN ENGINE COOLANT (See page 16-26 ) 2. REMOVE FR WIPER ARM LH (See page 66-7 ) 3. REMOVE FR WIPER ARM RH (See page 66-7 ) 4. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSY (See page ...

Cylinder head gasket (3MZ-FE)
REPLACEMENT 1. WORK FOR PREVENTING GASOLINE FROM SPILLING OUT (See page 11-35 ) 2. DRAIN ENGINE COOLANT (See page 16-26 ) 3. DRAIN ENGINE OIL 4. REMOVE FR WIPER ARM LH (See page 66-7 ) 5. REMOVE ...

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