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Home >> Toyota >> 2005 >> Sienna AWD V6-3.3L (3MZ-FE) >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Cylinder Head Assembly >> Service and Repair >> Procedures >> Cylinder Head Gasket No. 1 (RH)

Cylinder Head Gasket No. 1 (RH)

































CYLINDER HEAD GASKET
REPLACEMENT
1. DISCHARGE FUEL SYSTEM PRESSURE
2. DRAIN COOLANT
3. DRAIN ENGINE OIL
4. REMOVE FRONT WHEEL RH
5. REMOVE FRONT WIPER ARM HEAD CAP
6. REMOVE FR WIPER ARM RH
7. REMOVE FR WIPER ARM LH
8. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY
9. REMOVE WIPER LINK ASSEMBLY
10. REMOVE COWL TOP TO COWL BRACE INNER NO.1
11. REMOVE COWL TOP PANEL SUB-ASSEMBLY OUTER FRONT
12. REMOVE V-BANK COVER SUB-ASSEMBLY
13. REMOVE AIR CLEANER CAP SUB-ASSEMBLY
14. REMOVE EMISSION CONTROL VALVE SET
15. REMOVE INTAKE AIR SURGE TANK
16. DISCONNECT FUEL PIPE SUB-ASSEMBLY NO.1





17. DISCONNECT HEATER WATER INLET HOSE B
18. REMOVE INTAKE MANIFOLD





a. Remove the nut and the ground cable.
b. Disconnect the 6 fuel injector connectors.





c. In order to remove the intake manifold, using several steps, remove the 9 bolts and the 2 nuts in the sequence shown in the illustration.
19. DISCONNECT RADIATOR HOSE INLET
20. REMOVE WATER OUTLET
a. Disconnect the radiator reserve tank hose.





b. Disconnect the engine coolant temperature sensor connector.
c. Remove the clamp.
d. Remove the 2 bolts, the 2 nuts and the 2 washers.
e. Lock the hose clamp as shown in the illustration and remove the water outlet together with the water by-pass hose No. 1.
f. Remove the 2 gaskets from the 2 cylinder heads.
21. REMOVE FRONT FENDER APRON SEAL RH
22. REMOVE V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO.1
23. REMOVE VANE PUMP V BELT
24. REMOVE ENGINE MOVING CONTROL ROD
25. REMOVE ENGINE MOUNTING STAY NO.2 RH
26. REMOVE GENERATOR BRACKET NO.2
27. REMOVE CRANKSHAFT PULLEY
SST 09213-54015 (91651-60855), 09330-00021, 09950-50013 (09951-05010, 09952-05010, 09953-05020, 09954-05031)
28. REMOVE TIMING BELT NO.1 COVER
29. REMOVE TIMING BELT NO.2 COVER
30. REMOVE ENGINE MOUNTING BRACKET RH
31. REMOVE TIMING BELT GUIDE NO.2
32. REMOVE TIMING BELT
33. REMOVE TIMING BELT IDLER SUB-ASSEMBLY NO.2
34. REMOVE CAMSHAFT TIMING PULLEY
SST 09960-10010 (09962-01000, 09963-01000), 09249-63010
35. REMOVE TIMING BELT NO.3 COVER
36. SEPARATE VANE PUMP ASSEMBLY
37. REMOVE PROPELLER SHAFT (4WD DRIVE TYPE)
SST 09325-20010
38. REMOVE EXHAUST PIPE ASSEMBLY FRONT (2WD DRIVE TYPE)
39. REMOVE EXHAUST PIPE ASSEMBLY CENTER (4WD DRIVE TYPE)
40. REMOVE EXHAUST MANIFOLD HEAT INSULATOR NO.1
41. REMOVE MANIFOLD STAY





42. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH (2WD DRIVE TYPE)
a. Disconnect the heated oxygen sensor connector.
b. Using several steps, loosen and remove the 6 nuts in the sequence shown in the illustration.
c. Remove the exhaust manifold RH and the gasket from the cylinder head RH.





43. REMOVE EXHAUST MANIFOLD CONVERTER SUB-ASSEMBLY (4WD DRIVE TYPE)
a. Disconnect the heated oxygen sensor connector.
b. Using several steps, loosen and remove the 6 nuts in the sequence shown in the illustration.
c. Remove the exhaust manifold RH and the gasket from the cylinder head RH.
44. REMOVE IGNITION COIL ASSEMBLY
45. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
46. REMOVE CAMSHAFT
47. REMOVE NO.2 CAMSHAFT
48. REMOVE CYLINDER HEAD SUB-ASSEMBLY





a. Disconnect the WT sensor connector.
b. Disconnect the camshaft timing oil control valve connector.
c. Remove the nut and disconnect the engine wire harness clamp.





d. Using an 8 mm hexagon wrench, remove the hexagon bolt.





e. Using several steps, loosen the 8 cylinder head bolts uniformly in the sequence shown in the illustration. Remove the 8 cylinder head bolts and the plate washers.

NOTICE:
^ Be careful not to drop washers into the cylinder head.
^ Head warpage or cracking could result from removing bolts in an incorrect order.

49. REMOVE CYLINDER HEAD GASKET





50. INSPECT CYLINDER HEAD SET BOLT
a. Using vernier calipers, measure the tension portion diameter of the bolt.
Standard outside diameter: 8.95 to 9.05 mm (0.3524 to 0.3563 inch)
Minimum outside diameter: 8.75 mm (0.3445 inch)
If the diameter is less than minimum, replace the bolt.





51. INSTALL CYLINDER HEAD GASKET
a. Place a new cylinder head gasket on the cylinder block with the R mark upward.

NOTICE:
^ Remove any oil from the contact surface.
^ Be careful of the installing orientation.
^ Place the cylinder head on the gasket carefully in order not to damage the gasket at the bottom part of the head.

52. INSTALL CYLINDER HEAD SUB-ASSEMBLY

NOTICE: The cylinder head bolts are tightened in 2 successive steps.

a. Apply a light coat of engine oil on the threads of the cylinder head bolts.
b. Install the plate washers to the cylinder head bolts.





c. Using several steps, install and tighten the 8 cylinder head bolts uniformly in the sequence shown in the illustration.
Torque: 54 Nm (550 kgf-cm, 40 ft. lbs.)





d. Mark the front side of each cylinder head bolt head with paint as shown in the illustration.
e. Retighten the cylinder head bolts by 90° in the same sequence as step (c).
f. Check that the painted mark is now at a 90° angle to the front.





g. Using an 8 mm socket hexagon wrench, install the hexagon bolt.
Torque: 19 Nm (189 kgf-cm, 14 ft. lbs.)
h. Connect the engine wire harness clamp with the nut.
Torque: 8.4 Nm (85 kgf-cm, 74 inch lbs.)
53. INSTALL NO.2 CAMSHAFT
54. INSTALL CAMSHAFT
55. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY
56. INSTALL IGNITION COIL ASSEMBLY





57. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY RH (2WD DRIVE TYPE)
a. Install a new gasket and the exhaust manifold RH with the 6 nuts. Using several steps, tighten the nuts uniformly in the sequence shown in the illustration.
Torque: 49 Nm (500 kgf-cm, 36 ft. lbs.)
b. Retighten nut 1 and 2 shown in the illustration.





58. INSTALL EXHAUST MANIFOLD CONVERTER SUB-ASSEMBLY (4WD DRIVE TYPE)
a. Install a new gasket and the exhaust manifold RH with the 6 nuts. Using several steps, tighten the nuts uniformly in the sequence shown in the illustration.
Torque: 49 Nm (500 kgf-cm, 36 ft. lbs.)
b. Retighten nut 1 and 2 shown in the illustration.
59. INSTALL MANIFOLD STAY
Torque: 34 Nm (347 kgf-cm, 25 ft. lbs.)
60. INSTALL EXHAUST MANIFOLD HEAT INSULATOR NO.1
Torque: 8.5 Nm (87 kgf-cm, 75 inch lbs.)
61. INSTALL EXHAUST PIPE ASSEMBLY FRONT (2WD DRIVE TYPE)
62. INSTALL EXHAUST PIPE ASSEMBLY CENTER (4WD DRIVE TYPE)
63. INSTALL PROPELLER SHAFT (4WD DRIVE TYPE)
64. INSTALL VANE PUMP ASSEMBLY
65. INSTALL TIMING BELT NO.3 COVER
66. INSTALL CAMSHAFT TIMING PULLEY
SST 09960-10010 (09962-01000, 09963-01000), 09249-63010
67. INSTALL TIMING BELT IDLER SUB-ASSEMBLY NO.2
68. INSPECT TIMING BELT
69. INSTALL TIMING BELT
SST 09960-10010 (09962-01000, 09963-01000)
70. INSTALL CHAIN TENSIONER ASSEMBLY NO.1
71. INSTALL TIMING BELT GUIDE NO.2
72. INSTALL ENGINE MOUNTING BRACKET RH
73. INSTALL TIMING BELT NO.2 COVER
74. INSTALL TIMING BELT NO.1 COVER
75. INSTALL CRANKSHAFT PULLEY
SST 09213-54015 (91651-60855), 09330-00021
76. INSTALL GENERATOR BRACKET NO.2
77. INSTALL ENGINE MOUNTING STAY NO.2 RH
78. INSTALL ENGINE MOVING CONTROL ROD
79. INSTALL VANE PUMP V BELT
80. INSTALL V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO.1
81. INSPECT DRIVE BELT DEFLECTION AND TENSION (REFERENCE)
82. INSTALL WATER OUTLET
a. Install 2 new gaskets to the 2 cylinder heads.
b. Install the water outlet together with the water by-pass hose No. 1 and unlock the hose clamp.
c. Tighten the 2 bolts, the 2 nuts and the 2 washers.
Torque: 15 Nm (153 kgf-cm, 11 ft. lbs.)
d. Install the clamp.
e. Connect the engine coolant temperature sensor connector.
f. Connect the radiator reserve tank hose.
g. Connect the radiator hose inlet.





83. INSTALL INTAKE MANIFOLD
a. Install the intake manifold with the 9 bolts and the 2 nuts. Using several steps, tighten the bolts and the nuts uniformly in the sequence shown in the illustration.
b. Retighten the 2 bolts and 2 nuts of the water outlet.
Torque: 15 Nm (153 kgf-cm, 11 ft. lbs.)
c. Retighten the water outlet mounting bolts and nuts.
Torque: 15 Nm (153 kgf-cm, 11 ft. lbs.)
d. Install the ground cable with the nut.
Torque: 8.4 Nm (86 kgf-cm, 74 inch lbs.)
e. Connect the heater water inlet hose B.
84. CONNECT FUEL PIPE SUB-ASSEMBLY NO.1
85. INSTALL INTAKE AIR SURGE TANK
86. INSTALL EMISSION CONTROL VALVE SET
87. INSTALL AIR CLEANER CAP SUB-ASSEMBLY
88. CONNECT VACUUM HOSE
89. INSTALL V-BANK COVER SUB-ASSEMBLY
90. INSTALL COWL TOP PANEL SUB-ASSEMBLY OUTER FRONT
91. INSTALL COWL TOP TO COWL BRACE INNER NO.1
92. INSTALL WIPER LINK ASSEMBLY
93. INSTALL FR WIPER ARM LH
94. INSTALL FR WIPER ARM RH
95. INSTALL FRONT WHEEL RH
96. ADD ENGINE OIL
97. ADD COOLANT
98. CHECK FOR ENGINE OIL LEAKS
99. CHECK FOR ENGINE COOLANT LEAKS
100. INSPECT FOR FUEL LEAKS
101. CHECK FOR EXHAUST GAS LEAKS
102. INSPECT IGNITION TIMING
SST 09843-18040
103. INSPECT ENGINE IDLE SPEED
SST 09843-18040
104. INSPECT COMPRESSION
SST 09992-00500
105. INSPECT CO/HC

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