Toyota Tundra. Manual — part 1942

j

Step 2:

1

Mark the front of the bearing cap bolts with paint

2

Tighten the bearing cap bolts another 90° in the order shown in step 1

3

Check that the painted marks are now at a 90° angle to the front

Fig. 148: Identifying Bearing Cap Bolt Paint Mark
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

k

Check that the crankshaft turns smoothly

l

Install and uniformly tighten the 10 main bearing cap bolts and 10 new seal washers in several
steps, in the sequence shown in the illustration

Torque: 45 N*m (459 kgf*cm, 33 ft.*lbf)

Fig. 149: Identifying Main Bearing Cap Bolts Tightening Sequence
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

m

Check that the crankshaft turns smoothly

8

INSTALL CONNECTING ROD BEARING

a

Clean the connecting rod's bearing contact surface, cap's bearing contact surface and both surfaces
of both bearings

b

Install the connecting rod bearings to the connecting rods and bearing caps

c

Using a vernier caliper, measure the distance between the connecting rod's and bearing cap's edges,
and each connecting rod bearing's edge

2009 Toyota Tundra

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

Dimension A - B or B - A:

0 to 0.7 mm (0 to 0.0276 in.)

9

INSTALL PISTON AND CONNECTING ROD

a

Apply engine oil to the cylinder walls, the pistons, and the surfaces of the connecting rod bearings

b

Position the piston rings so that the ring ends are as shown in the illustration

HINT:

The expander ends can be placed anywhere

NOTE:



Do not apply engine oil to the bearings and the contact
surfaces.



Do not allow coolant to come into contact with the bearing inner
surface.



If any coolant comes into contact with the bearing inner surface,
replace the bearing with a new one.

Fig. 150: Identifying Distance Between Connecting Rod And
Bearing Cap Edges
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NOTE:

Do not align the ring ends.

2009 Toyota Tundra

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

Fig. 151: Identifying Piston Rings Position
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c

Using a hammer handle and piston ring compressor, push the correctly numbered piston and
connecting rod into the cylinder with the front mark of the piston facing forward

Fig. 152: Identifying Front Mark Of Piston
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

d

Place the connecting rod cap on the connecting rod

1

Match the numbered connecting rod cap with the connecting rod

2009 Toyota Tundra

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

2

Check that the front mark of the connecting rod cap is facing forward

Front mark

FRONT MARK REFERENCE CHART

Fig. 153: Identifying Front Mark Of Connecting Rod Cap
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

e

Apply a light coat of engine oil to the threads and under the heads of the connecting rod cap bolts

f

Temporarily install the connecting rod cap bolts

HINT:

The connecting rod cap bolts are tightened in 2 progressive steps

g

Step 1:

1

Install and alternately tighten the bolts of the connecting rod cap in several steps

Torque: 40 N*m (408 kgf*cm, 30 ft.*lbf)

Fig. 154: Installing Connecting Rod Cap Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Item Front Mark

LH

Front Side

RH

Rear Side

2009 Toyota Tundra

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