Toyota Tundra. Manual — part 1791

c

Lift the cylinder head from the dowels on the cylinder block, and place the cylinder head on
wooden blocks on a bench

bolts int he incorrect order.

Fig. 118: Identifying Loosening Sequence Of Cylinder Head
Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NOTE:

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

NOTE:

HINT:
If the cylinder head is difficult to lift off, pry between the cylinder
head and cylinder block with a screwdriver.

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (1GR-FE) - Tundra

Fig. 119: Prying Between Cylinder Head And Cylinder Block Using Screwdriver
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

36

REMOVE NO. 2 CYLINDER HEAD GASKET

INSPECTION

1

INSPECT CYLINDER HEAD SET BOLT (See INSPECTION )

2

INSPECT CYLINDER HEAD SUB-ASSEMBLY (See INSPECTION )

INSTALLATION

1

INSTALL NO. 2 CYLINDER HEAD GASKET

a

Remove any old packing (FIPG) material and be careful not to drop any oil on the contact surfaces
of the cylinder head and cylinder block

b

Apply seal packing to a new cylinder head gasket as shown in the illustration

NOTE:

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

NOTE:

Standard seal diameter:
2.5 to 3.0 mm (0.0984 to 0.118 in.)

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (1GR-FE) - Tundra

Fig. 120: Identifying Cylinder Head Gasket Diameter
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c

Place the cylinder head gasket on the cylinder block surface with the front face of the Lot No
stamp upward

NOTE:

Seal packing application range

A

10 to 15 mm (0 394 to 0 591 in )

B

1 25 to 1 5 mm (0 0492 to 0 0591 in )

IMPORTANT: HINT:



Remove any oil from the contact surface.



Install the cylinder head gasket within 3 minutes after applying
the seal packing.



Do not add engine oil within 2 hours of installation.

NOTE:

NOTICE:
Be careful of the installation direction.

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (1GR-FE) - Tundra

Fig. 121: Identifying Cylinder Head Gasket On Cylinder Block Surface With Lot No. Stamp
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2

INSTALL CYLINDER HEAD SUB-ASSEMBLY LH (See REASSEMBLY

3

INSTALL NO. 3 CAMSHAFT AND NO. 4 CAMSHAFT

NOTE: NOTICE:

As the thrust clearance of the camshaft is small, the camshaft must be kept level
while it is being installed. If the camshaft is not kept level, the portion of the cylind

head which receives the shaft thrust may crack or be damaged, causing the
camshaft to seize or break. To avoid this, the following steps should be carried ou

a. Set the crankshaft position.

1. Install the crankshaft pulley set bolt, turn the crankshaft, and set the

crankshaft set key into the left horizontal position.

Fig. 122: Setting Crankshaft Position
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NOTE

NOTICE
Setting the crankshaft at a wrong angle can cause the piston head
and valve head to come into contact with each other when the
camshaft is installed, causing damage. Always set the crankshaft
the correct angle.

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (1GR-FE) - Tundra