Toyota Tundra. Manual — part 2042

Standard seal diameter: 3.5 to 4.0 mm (0.138 to 0.157 in.)

c

Install the camshaft housing, and install the 18 bolts in the order shown in the illustration

Torque: for bolt A

10 N*m (102 kgf*cm, 7 ft.*lbf)

for except bolt A

30 N*m (306 kgf*cm, 22 ft.*lbf)

NOTE:



Remove any oil from the contact surface.



Install the camshaft housing within 3 minutes and tighten the
bolts within 15 minutes after applying seal packing.

Fig. 356: Identifying Seal Packing Areas On Camshaft Housing
Sub-Assembly - LH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NOTE:



Do not start the engine for at least 2 hours after the installation.



Make sure that the knock pin of the camshaft is positioned as
shown in the illustration before installing the camshaft housing.

Fig. 357: Identifying Camshaft Housing Bolts Installing Order
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (3UR-FE) - Tundra

d

Tighten the 10 bolts in the order shown in the illustration

Torque: 16 N*m (163 kgf*cm, 12 ft.*lbf)

Fig. 358: Tightening Order Of Camshaft Housing Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

25

INSTALL CRANKSHAFT TIMING GEAR KEY

a

Install the timing gear key

HINT:

The other timing gear key will be installed at a later step

NOTE:

Thoroughly wipe clean any seal packing.

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (3UR-FE) - Tundra

Fig. 359: Identifying Crankshaft Timing Gear Key
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

26

INSTALL NO. 2 CHAIN TENSIONER ASSEMBLY

a

Install the chain tensioner with the 2 bolts

Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)

b

While raising up the No 2 chain tensioner, insert a pin of ø 1 0 mm (0 0394 in ) into the hole to fix
it in place

Fig. 360: Installing No. 2 Chain Tensioner Assembly
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

27

INSTALL NO. 1 CHAIN SUB-ASSEMBLY RH

a

Align the No 1 chain's orange mark plate with the camshaft timing gear's timing mark, and attach
the chain to the gear as shown in the illustration

Fig. 361: Aligning No. 1 Chain's Orange Mark Plate With Camshaft Timing Gear's Timing
Mark
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b

Align the No 1 chain's orange mark plate with the crankshaft timing gear's timing mark, and attach
the chain to the gear as shown in the illustration

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (3UR-FE) - Tundra

Fig. 362: Aligning No. 1 Chain's Orange Mark Plate With Crankshaft Timing Gear's Timing
Mark
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c

Align the No 2 chain's mark plates (yellow) with the timing marks of the camshaft timing gear and
camshaft timing exhaust gear, and attach the No 2 chain to the gears as shown in the illustration

HINT:

The crankshaft timing gear and camshaft exhaust gear will be installed with the No 1 and No 2
chains connected to the gears

Fig. 363: Aligning No. 2 Chain's Mark Plates (Yellow) With Timing Marks Of Camshaft
Timing Gear
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

d

Install the crankshaft timing sprocket to the crankshaft

e

Align and attach the knock pin of the No 1 camshaft with the pin hole of the camshaft timing gear

f

Using the hexagonal portion of the No 2 camshaft, align and attach the knock pin of the No 2
camshaft with the pin hole of the camshaft timing exhaust gear

g

Remove the pin from the No 2 chain tensioner

28

INSTALL NO. 1 CHAIN VIBRATION DAMPER RH

a

Install the vibration damper with the 2 bolts

Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf)

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (3UR-FE) - Tundra