Toyota Tundra. Manual — part 1859

a

Bring the service bolt hole of the sub-gear upward by turning the hexagonal portion of the exhaust
camshaft with a wrench

b

Secure the sub-gear to the main gear with a service bolt

Fig. 97: Securing Sub-Gear To Main Gear With Service Bolt
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Recommended service bolt

BOLT LENGTH SPECIFICATION

HINT:

When removing the camshafts, make sure that the torsional spring force of the sub-gear has been
eliminated by the above operation

c

Using a wrench, turn the camshaft so that the timing marks (2 dot marks each) on the camshaft
drive and driven main gears are aligned, as shown below

Fig. 96: Identifying Crankshaft Pulley Angle
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Thread Diameter Thread Pitch

Bolt Length

6 0 mm

1 0 mm

16 to 20 mm (0 630 to 0 787 in )

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (2UZ-FE) - Tundra

Fig. 98: Turning Camshaft Timing Marks
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

d

Uniformly loosen and remove the 22 bearing cap bolts in several steps, in the order shown below

Fig. 99: Identifying Bearing Cap Bolt Loosening Sequence
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

e

Remove the cap bolts, 4 seal washers, oil feed pipe, 9 bearing caps, camshaft housing plug, oil
control valve filter and camshafts

HINT:

Arrange the bearing caps in the correct order

NOTE:



Do not forcibly pry the camshaft with a tool.



Do not damage the reception part of the thrust on the cylinder
head side.

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (2UZ-FE) - Tundra

Fig. 100: Removing Cap Bolts, Seal Washers And Oil Feed Pipe
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

28

REMOVE VALVE LIFTER

a

Remove the valve lifters and shims from the cylinder head

HINT:

Arrange the removed parts in the correct order

29

REMOVE CYLINDER HEAD LH

a

Uniformly loosen the 10 cylinder head bolts on the cylinder head in several passes, in the sequence
shown below

b

Remove the bolts and plate washers

Fig. 101: Identifying Loosening Sequence Of Cylinder Head Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c

Remove the cylinder head by prying between the cylinder block and cylinder head with a
screwdriver

NOTE:



Cylinder head warpage or cracking could result from removing
bolts in the incorrect order.



Do not drop the plate washer for the cylinder head bolt into
portion A of the cylinder head. If dropped into portion A, the
plate washer will pass through the cylinder head and cylinder
block into the oil pan.

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (2UZ-FE) - Tundra

30

REMOVE CYLINDER HEAD GASKET LH

31

REMOVE CAMSHAFT TIMING TUBE ASSEMBLY (See DISASSEMBLY )

INSTALLATION

1

INSPECT CYLINDER HEAD SET BOLT (See INSPECTION )

2

INSPECT CYLINDER HEAD (See INSPECTION )

3

INSTALL CYLINDER HEAD GASKET LH

a

Clean the cylinder block and cylinder head with solvent

b

Place a new cylinder head gasket in position on the cylinder block

HINT:

A mark is placed on the rear side of the cylinder head gasket to distinguish the LH and RH sides, a
"2R" mark for the RH side and a "2L" mark for the LH side

NOTE:



Be careful not to damage the contact surfaces of the cylinder
head and cylinder block.



The cylinder head should not be tilted so as to secure the valve
lifter. If the cylinder head is tilted, remove the valve lifter and
check that the adjusting shim is set correctly.

Fig. 102: Prying Between Cylinder Block And Cylinder Head
With Screwdriver
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NOTE:

Be careful of the installation direction.

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (2UZ-FE) - Tundra