Removal [08/2020 - ]: Procedure

WARNING: This page is about a different car, the 2021 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY (for High Pressure)
Refer to REMOVAL [08/2020 - ]

DISCONNECT AIR CONDITIONING TUBE AND ACCESSORY ASSEMBLY

Disengage the 2 clamps and disconnect the air conditioning tube and accessory assembly.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

DISCONNECT ENGINE WIRE

Disconnect the 6 connectors.

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Disengage the 3 clamps and disconnect the engine wire.

REMOVE IGNITION COIL ASSEMBLY
Refer to PROCEDURE - Step 2
REMOVE CAMSHAFT POSITION SENSOR (for Intake Side)
Refer to PROCEDURE - Step 2
REMOVE CAMSHAFT POSITION SENSOR (for Exhaust Side)
Refer to PROCEDURE - Step 3
REMOVE NO. 1 BRAKE TUBE CLAMP BRACKET
Refer to PROCEDURE - Step 2
REMOVE NO. 2 ENGINE COVER
See step 5
REMOVE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY
Refer to PROCEDURE - Step 4
REMOVE O-RING
Refer to PROCEDURE - Step 5
REMOVE CAMSHAFT TIMING VALVE ASSEMBLY
Refer to PROCEDURE - Step 2
REMOVE CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY
Refer to PROCEDURE - Step 5
REMOVE CAM TIMING CONTROL MOTOR O-RING
Refer to PROCEDURE - Step 6
REMOVE VACUUM PUMP ASSEMBLY
Refer to REMOVAL [08/2020 - ]
REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
See step 21
REMOVE SPARK PLUG TUBE GASKET
See step 22
REMOVE FUEL PUMP LIFTER GUIDE
See step 39

SET NO. 1 CYLINDER TO TDC (COMPRESSION)

Turn the crankshaft clockwise to align the timing mark (cutout) on the crankshaft pulley assembly with the "0" timing mark on the No. 2 timing chain cover assembly.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Paint Mark
*b	Timing Mark
*c	"0" Timing Mark

Check that the timing marks are positioned as shown in the illustration.
HINT:

If the timing marks are not positioned as shown in the illustration, turn the crankshaft clockwise and then align them again.
Place paint marks on the chain sub-assembly at points aligned with the timing marks on the camshaft timing gear assembly and camshaft timing exhaust gear assembly.

REMOVE STRAIGHT SCREW PLUG
See step 25

REMOVE CAMSHAFT

Rotate the crankshaft approximately 15° clockwise.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Approximately 15°

Rotate the crankshaft approximately 15° counterclockwise.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Approximately 15°

Align the pin hole of the No. 1 chain tensioner assembly with the pin hole of the chain tensioner slipper, and then insert the pin.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Pin
*b	Pin Hole (No. 1 Chain Tensioner Assembly Side)
*c	Pin Hole (Chain Tensioner Slipper Side)

Using the hexagonal portion of the No. 2 camshaft, secure the No. 2 camshaft.

NOTE:

Do not damage the camshaft housing sub-assembly, cylinder head sub-assembly and spark plug tube.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Hold

Using a 5 mm hexagon wrench, remove the 2 bolts from the camshaft timing exhaust gear assembly.

Using the hexagonal portion of the camshaft, secure the camshaft.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Hold
	Turn

NOTE:

Do not damage the camshaft housing sub-assembly, cylinder head sub-assembly and spark plug tube.
Do not disassemble the camshaft timing gear assembly.

Using a 10 mm bi-hexagon socket wrench, remove the bolt from the camshaft timing gear assembly.

Using the hexagonal portion of the No. 2 camshaft, loosen and hold the chain sub-assembly while moving the No. 2 camshaft in the direction shown in the illustration.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Hold	-	-
	Turn	-	-

NOTE:

Do not damage the camshaft housing sub-assembly, cylinder head sub-assembly and spark plug tube.

Move the camshaft timing gear assembly together with the camshaft timing exhaust gear assembly and chain sub-assembly toward the No. 2 timing chain cover assembly as shown in the illustration.

*1	Camshaft Timing Gear Assembly	*2	Camshaft Timing Exhaust Gear Assembly
*3	Chain Sub-assembly	-	-
	Remove in this Direction	-	-

Remove the camshaft timing exhaust gear assembly from the chain sub-assembly.
Remove the camshaft timing gear assembly from the chain sub-assembly.

Secure the chain sub-assembly to the vehicle using rope, etc.

NOTE:

Do not drop the chain sub-assembly into the No. 2 timing chain cover assembly.

Uniformly loosen and remove the 8 bolts in the order shown in the illustration.

Fig 1: Camshaft Bearing Cap Bolts Loosening Sequence (8 Bolts)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Uniformly loosen and remove the 14 bolts in the order shown in the illustration.

NOTE:

Uniformly loosen the bolts while holding the camshaft horizontally.

Fig 2: Camshaft Bearing Cap Bolts Loosening Sequence (14 Bolts)

*1	No. 1 Camshaft Bearing Cap
*2	No. 2 Camshaft Bearing Cap
*3	No. 3 Camshaft Bearing Cap
*4	No. 4 Camshaft Bearing Cap

Remove the No. 1 camshaft bearing cap, No. 2 camshaft bearing cap, 2 No. 3 camshaft bearing caps and No. 4 camshaft bearing cap.
HINT:

Arrange the removed parts so that they can be reinstalled in their original locations.

Remove the camshaft from the camshaft housing sub-assembly.

Remove the No. 2 camshaft from the camshaft housing sub-assembly.