Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Installation

INSTALLATION

PROCEDURE

1. INSTALL NO. 2 CYLINDER HEAD GASKET

(a) Place a new No. 2 cylinder head gasket on the cylinder block sub-assembly as shown in the illustration.

*a	Lot No.
	Front of Engine

NOTICE:

• Remove any oil from the contact surfaces.
• Make sure to install the No. 2 cylinder head gasket in the correct direction.

(b) Apply seal packing to the No. 2 cylinder head gasket as shown in the illustration.

Seal Packing:

Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent

NOTICE:

• Remove any oil from the contact surfaces.
• Install the No. 2 cylinder head gasket within 3 minutes and tighten the cylinder head set bolts within 15 minutes of applying seal packing.

*1	No. 2 Cylinder Head Gasket
*a	5.0 to 7.0 mm (0.197 to 0.276 in.)
*b	3.0 to 5.0 mm (0.118 to 0.197 in.)
*c	7.0 to 9.0 mm (0.276 to 0.354 in.)
*d	38.2 mm (1.50 in.)
*e	110.0 mm (4.33 in.)
	Front of Engine
	Seal Packing

2. INSTALL CYLINDER HEAD LH

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3. INSTALL CYLINDER HEAD GASKET

(a) Place a new cylinder head gasket on the cylinder block sub-assembly as shown in the illustration.

*a	Lot No.
	Front of Engine

NOTICE:

• Remove any oil from the contact surfaces.
• Make sure to install the cylinder head gasket in the correct direction.

(b) Apply seal packing to the cylinder head gasket as shown in the illustration.

Seal Packing:

Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent

NOTICE:

• Remove any oil from the contact surfaces.
• Install the cylinder head gasket within 3 minutes and tighten the cylinder head set bolts within 15 minutes of applying seal packing.

*1	Cylinder Head Gasket
*a	5.0 to 7.0 mm (0.197 to 0.276 in.)
*b	3.0 to 5.0 mm (0.118 to 0.197 in.)
*c	7.0 to 9.0 mm (0.276 to 0.354 in.)
*d	38.5 mm (1.52 in.)
*e	144.0 mm (5.67 in.)
	Front of Engine
	Seal Packing

4. INSTALL CYLINDER HEAD SUB-ASSEMBLY

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5. INSTALL WATER OUTLET

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6. INSTALL VALVE STEM CAP

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7. INSTALL VALVE LASH ADJUSTER ASSEMBLY

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8. INSTALL NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY

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9. INSTALL NO. 1 CHAIN VIBRATION DAMPER

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10. INSTALL NO. 2 CHAIN VIBRATION DAMPER

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11. INSTALL SENSOR WIRE

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12. INSTALL NO. 3 CAMSHAFT SUB-ASSEMBLY

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13. INSTALL NO. 4 CAMSHAFT SUB-ASSEMBLY

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14. INSTALL CAMSHAFT BEARING CAP (for Bank 2)

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15. SET CAMSHAFT TIMING GEAR ASSEMBLY, CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY AND NO. 2 CHAIN SUB-ASSEMBLY (for Bank 2)

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16. TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 2)

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17. TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 2)

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18. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY LH

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19. TIGHTEN CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 2)

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20. TIGHTEN CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 2)

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21. INSTALL CAMSHAFT

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22. INSTALL NO. 2 CAMSHAFT

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23. INSTALL CAMSHAFT BEARING CAP (for Bank 1)

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24. SET CAMSHAFT TIMING GEAR ASSEMBLY, CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY AND NO. 2 CHAIN SUB-ASSEMBLY (for Bank 1)

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25. TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 1)

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26. TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 1)

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27. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY

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28. TIGHTEN CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 1)

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29. TIGHTEN CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 1)

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30. INSTALL NO. 3 CHAIN TENSIONER ASSEMBLY

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31. INSTALL NO. 2 CHAIN TENSIONER ASSEMBLY

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32. INSTALL CHAIN SUB-ASSEMBLY

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33. INSTALL CHAIN TENSIONER SLIPPER

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34. INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY

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35. INSPECT VALVE TIMING

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36. INSTALL TIMING CHAIN COVER ASSEMBLY

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37. INSTALL TIMING CHAIN CASE OIL SEAL

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38. INSTALL OIL PAN SUB-ASSEMBLY

(a) Install 2 new oil pan gaskets to the timing chain cover assembly.

(b) Apply seal packing in a continuous line as shown in the illustration. Seal Packing: Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent Seal Packing Diameter: 3.0 to 4.0 mm (0.118 to 0.157 in.) NOTICE: Remove any oil from the contact surfaces. Install the oil pan sub-assembly within 3 minutes of applying seal packing. Do not start the engine for at least 2 hours after installation.

*a Seal Packing

(c) Install the oil pan sub-assembly with the 16 bolts and 2 nuts in the order shown in the illustration.

*a	Torque	*b	Bolt and Nut Tightening Order
	Bolt		Nut

Torque:

Bolt (A) :

10 N·m {102 kgf·cm, 7 ft·lbf}

Bolt (B), (C), (D) :

21 N·m {214 kgf·cm, 15 ft·lbf}

Nut :

21 N·m {214 kgf·cm, 15 ft·lbf}

Bolt Length:

(d) Wipe off any excess seal packing with a clean piece of cloth.

NOTICE:

Do not allow seal packing to contact the No. 1 crankshaft position sensor plate.

Wipe off the Seal Packing

39. INSTALL OIL STRAINER SUB-ASSEMBLY

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40. INSTALL NO. 2 OIL PAN SUB-ASSEMBLY

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41. INSTALL SPARK PLUG TUBE GASKET

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42. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY LH

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43. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY

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44. INSTALL SENSOR WIRE

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45. INSTALL CRANKSHAFT POSITION SENSOR PROTECTOR

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46. INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 2)

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47. INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 2)

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48. INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 1)

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49. INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 1)

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50. INSTALL WATER INLET WITH THERMOSTAT SUB-ASSEMBLY

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51. CONNECT WATER BY-PASS HOSE

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52. INSTALL FRONT NO. 1 ENGINE MOUNTING BRACKET LH

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53. INSTALL CRANKSHAFT PULLEY

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54. INSTALL WATER FILLER BRACKET

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55. INSTALL WIRE HARNESS CLAMP BRACKET

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56. INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE

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57. INSTALL WATER PUMP PULLEY

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58. INSTALL V-RIBBED BELT TENSIONER ASSEMBLY

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59. INSTALL NO. 2 IDLER PULLEY SUB-ASSEMBLY

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60. INSTALL COMPRESSOR ASSEMBLY WITH MAGNETIC CLUTCH

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61. INSTALL GENERATOR ASSEMBLY

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62. INSTALL V-RIBBED BELT

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63. INSTALL VACUUM PUMP ASSEMBLY

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64. INSTALL IGNITION COIL ASSEMBLY

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65. INSTALL KNOCK CONTROL SENSOR

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66. INSTALL ENGINE HANGERS

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67. REMOVE ENGINE ASSEMBLY FROM ENGINE STAND

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