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14-1 14
ENGINE MECHANICAL - CAMSHAFT (LH BANK)
141AT-02

REPLACEMENT
1. DRAIN COOLANT (See page 16-8 )
2. REMOVE FRONT WHEEL RH
3. REMOVE FRONT WIPER ARM HEAD CAP
4. REMOVE FR WIPER ARM RH (See page 66-8 )
5. REMOVE FR WIPER ARM LH (See page 66-8 )
6. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSY (See page 66-8 )
7. REMOVE WIPER LINK ASSY (See page 66-8 )
8. REMOVE COWL TOP TO COWL BRACE INNER NO.1 (See page 11-13 )
9. REMOVE COWL TOP PANEL SUB-ASSY OUTER FRONT (See page 11-13 )
10. REMOVE V-BANK COVER SUB-ASSY (See page 14-7 )
11. REMOVE RADIATOR HOSE INLET
12. REMOVE IGNITION COIL ASSY
13. REMOVE CYLINDER HEAD COVER SUB-ASSY LH (See page 14-7 )
14. REMOVE FRONT FENDER APRON SEAL RH
15. REMOVE V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO.1
(See page 14-5 )
16. REMOVE VANE PUMP V BELT (See page 14-5 )
17. REMOVE ENGINE MOVING CONTROL ROD (See page 14-84 )
18. REMOVE ENGINE MOUNTING STAY NO.2 RH (See page 14-84 )
19. REMOVE GENERATOR BRACKET NO.2 (See page 14-84 )
20. REMOVE CRANKSHAFT PULLEY (See page 14-84 )
SST 09213-54015 (91651-60855), 09330-00021, 09950-50013 (09951-05010, 09952-05010,
09953-05020, 09954-05031)
21. REMOVE TIMING BELT NO.1 COVER
22. REMOVE TIMING BELT NO.2 COVER (See page 14-84 )
23. REMOVE ENGINE MOUNTING BRACKET RH (See page 14-84 )
24. REMOVE TIMING BELT GUIDE NO.2
25. REMOVE TIMING BELT (See page 14-84 )
26. REMOVE TIMING BELT IDLER SUB-ASSY NO.2
27. REMOVE CAMSHAFT TIMING PULLEY (See page 14-99 )
SST 09960-10010 (09962-01000, 09963-01000), 09249-63010
28. REMOVE TIMING BELT NO.3 COVER (See page 14-99 )
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 should be carried out.

2005 SIENNA REPAIR MANUAL (RM1163U)

Author : Date : 2413
14-1 15
ENGINE MECHANICAL - CAMSHAFT (LH BANK)

(a) Align the timing marks (1 dot marks) of the camshaft drive
and the driven gears by turning the camshaft with a
wrench.

Align A78710

(b) Secure the exhaust camshaft sub-gear to the main gear
Service Bolt
with a service bolt.
Torque: 5.4 Nm (55 kgfcm, 48 in.lbf)
Recommended service bolt
Thread diameter 6 mm
Thread pitch 1.0 mm
Bolt length 16 to 20 mm

HINT:
Main Gear Sub-Gear A78711 When removing the camshaft, make certain that the torsional
spring force of the sub-gear has been eliminated by installation
of the service bolt.

1 2
(c) Using several steps, loosen and remove the 10 bearing
5
9 cap bolts uniformly in the sequence shown in the illustra-
6 tion. Remove the 5 bearing caps and the No. 3 camshaft.
7
10 NOTICE:
S Do not pry out the camshaft.
3 8
S Be careful not to damage the portion of the cylinder
4
head receiving the shaft thrust.

A78712

30. REMOVE NO.4 CAMSHAFT SUB-ASSY
2
(a) Using several steps, loosen and remove the 10 bearing
6 1
cap bolts uniformly in the sequence shown in the illustra-
10 tion. Remove the 5 bearing caps and the No. 4 camshaft.
5
8 NOTICE:
9
S Do not pry out the camshaft.
4 7 S Be careful not to damage the portion of the cylinder
head receiving the shaft thrust.
3
A78713 (b) Remove the oil seal from the No. 4 camshaft.

31. REMOVE CAMSHAFT TIMING GEAR ASSY (See page 14-99 )
32. REMOVE CAMSHAFT SUB GEAR (See page 14-99 )
SST 09960-10010 (09962-01000, 09963-00500)
33. INSTALL CAMSHAFT SUB GEAR (See page 14-99 )
SST 09960-10010 (09962-01000, 09963-00500)
2005 SIENNA REPAIR MANUAL (RM1163U)

Author : Date : 2414
14-1 16
ENGINE MECHANICAL - CAMSHAFT (LH BANK)

34. INSTALL CAMSHAFT TIMING GEAR ASSY (See page 14-99 )
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 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 should be carried out.
(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 timing mark (1
dot marks) on the cylinder head.
90_ (c) Apply MP grease to a new oil seal lip.

A78741

(d) Install the oil seal to the camshaft.
NOTICE:
Front S Do not turn over the oil seal lip.
S Insert the oil seal until it stops.
(e) Remove any old packing material from the contact sur-
face.

A78742

(f) Apply seal packing to the No. 1 bearing cap as shown in
the illustration.
Seal packing: Part No. 08826-00080 or equivalent
NOTICE:
S Install the No. 1 bearing cap within 5 minutes after ap-
plying seal packing.
S Do not expose the seal to engine oil within 2 hours af-
ter installing.
Seal Packing
A78737

(g) Install the 5 bearing caps in their proper locations.
(h) Apply a light coat of engine oil on the threads of the bear-
ing cap bolts.

A05209

2005 SIENNA REPAIR MANUAL (RM1163U)

Author : Date : 2415
14-1 17
ENGINE MECHANICAL - CAMSHAFT (LH BANK)

(i) Using several steps, install and tighten the 10 bearing cap
9
bolts uniformly in the sequence shown in the illustration.
5 10
Torque: 16 Nm (163 kgfcm, 12 ftlbf)
1 36. INSTALL NO.3 CAMSHAFT SUB-ASSY
6
3 NOTICE:
2 Since the thrust clearance of the camshaft is small, the
7 4 camshaft must be kept level while it is being removed. If the
camshaft is not kept level, damage to the cylinder head or
8 to the camshaft may result. To avoid this, the following
A78743

steps should be carried out.
(a) Apply new engine oil to the thrust portion and journal of
the camshaft.

(b) Align the timing marks (1 dot marks) of the camshaft drive
with the driven gears. Place the camshaft on the cylinder
head.

Align

A78744

(c) Install the 5 bearing caps in their proper locations.
(d) Apply a light coat of engine oil on the threads of the bear-
ing cap bolts.

A05214

10 (e) Using several steps, install and tighten the 10 bearing cap
6 9 bolts uniformly in the sequence shown in the illustration.
2 5 Torque: 16 Nm (163 kgfcm, 12 ftlbf)
4 (f) Remove the service bolt.
1

8 3

A78745

37. INSTALL TIMING BELT NO.3 COVER (See page 14-99 )
38. INSTALL CAMSHAFT TIMING PULLEY (See page 14-99 )
SST 09960-10010 (09962-01000, 09963-01000), 09249-63010
39. INSTALL TIMING BELT IDLER SUB-ASSY NO.2 (See page 14-99 )
40. INSPECT TIMING BELT (See page 14-84 )
2005 SIENNA REPAIR MANUAL (RM1163U)

Author : Date : 2416
14-1 18
ENGINE MECHANICAL - CAMSHAFT (LH BANK)

41. INSTALL TIMING BELT (See page 14-84 )
SST 09960-10010 (09962-01000, 09963-01000)
42. INSTALL CHAIN TENSIONER ASSY NO.1 (See page 14-84 )
43. INSTALL TIMING BELT GUIDE NO.2 (See page 14-84 )
44. INSTALL ENGINE MOUNTING BRACKET RH (See page 14-84 )
45. INSTALL TIMING BELT NO.2 COVER (See page 14-84 )
46. INSTALL TIMING BELT NO.1 COVER (See page 14-84 )
47. INSTALL CRANKSHAFT PULLEY (See page 14-84 )
SST 09213-54015 (91651-60855), 09330-00021
48. INSTALL GENERATOR BRACKET NO.2 (See page 14-84 )
49. INSTALL ENGINE MOUNTING STAY NO.2 RH (See page 14-84 )
50. INSTALL ENGINE MOVING CONTROL ROD (See page 14-84 )
51. INSPECT VALVE CLEARANCE (See page 14-7 )
52. ADJUST VALVE CLEARANCE (See page 14-7 )
SST 09248-55040 (09248-05410, 09248-05420)
53. INSTALL VANE PUMP V BELT (See page 14-5 )
54. INSTALL V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO.1
(See page 14-5 )
55. INSPECT DRIVE BELT DEFLECTION AND TENSION (REFERENCE) (See page 14-1 )
56. INSTALL CYLINDER HEAD COVER SUB-ASSY LH (See page 14-7 )
57. INSTALL IGNITION COIL ASSY (See page 14-7 )
58. INSTALL V-BANK COVER SUB-ASSY (See page 14-7 )
59. INSTALL COWL TOP PANEL SUB-ASSY OUTER FRONT (See page 11-13 )
60. INSTALL COWL TOP TO COWL BRACE INNER NO.1 (See page 11-13 )
61. INSTALL WIPER LINK ASSY (See page 66-8 )
62. INSTALL FR WIPER ARM LH (See page 66-8 )
63. INSTALL FR WIPER ARM RH (See page 66-8 )
64. INSTALL FRONT WHEEL RH (See page 14-5 )
65. ADD COOLANT (See page 16-8 )
66. CHECK FOR ENGINE COOLANT LEAKS (See page 16-8 )

2005 SIENNA REPAIR MANUAL (RM1163U)

Author : Date : 2417

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