Toyota Tundra. Manual — part 2002

9

REMOVE CRANKSHAFT BEARING

a

Remove the crankshaft bearings from the bearing caps and cylinder block

HINT:

Arrange the removed parts in the correct order

10

REMOVE CRANKSHAFT THRUST WASHER SET

a

Remove the thrust washer set from the cylinder block and No 3 bearing cap

Fig. 103: Locating Thrust Washer Set
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

11

REMOVE NO. 1 OIL NOZZLE SUB-ASSEMBLY

a

Using a 5 mm hexagon wrench, remove the 4 bolts and 4 oil nozzles

Fig. 104: Locating Oil Nozzles Bolt
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

12

REMOVE STUD BOLT

INSPECTION

1

INSPECT CYLINDER BLOCK FOR WARPAGE

NOTE:

If the stud bolt is deformed or its threads are damaged, replace it.

2009 Toyota Tundra

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

a

Using a precision straightedge and feeler gauge, measure the warpage of the contact surfaces of the
cylinder head gaskets

Maximum warpage: 0.07 mm (0.00276 in.)

If the warpage is greater than the maximum, replace the cylinder block

Fig. 105: Measuring Warpage Of Contact Surfaces Of Cylinder Head Gaskets
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b

Visually check the cylinder for vertical scratches If deep scratches are present, rebore all 8
cylinders If necessary, replace the cylinder block

Fig. 106: Identifying Cylinder Block
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2

INSPECT CYLINDER BORE

a

Using a cylinder gauge, measure the cylinder bore diameter at positions A and B in the thrust and
axial directions

Standard diameter: 94.000 to 94.012 mm (3.700 to 3.701 in.)

Maximum diameter: 94.200 mm (3.709 in.)

If the diameter is greater than the maximum, replace the cylinder block

2009 Toyota Tundra

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

Fig. 107: Measuring Cylinder Bore Diameter
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

3

INSPECT RING GROOVE CLEARANCE

a

Using a feeler gauge, measure the clearance between a new piston ring and the wall of the ring
groove

Standard ring groove clearance

STANDARD RING GROOVE CLEARANCE SPECIFICATIONS

Fig. 108: Measuring Clearance Between Piston Ring And Wall Of Ring Groove
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

If the clearance is not as specified, replace the piston

4

INSPECT PISTON RING END GAP

a

Insert the piston ring into the cylinder bore

b

Using a piston, push the piston ring a little beyond the bottom of the ring travel, 60 mm (2 36 in )
from the top of the cylinder block

Item

Specified Condition

No 1 0 020 to 0 070 mm (0 000787 to 0 00276 in )
No 2 0 020 to 0 060 mm (0 000787 to 0 00236 in )

Oil

0 070 to 0 145 mm (0 00276 to 0 00571 in )

2009 Toyota Tundra

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

Fig. 109: Checking Piston Ring End Gap
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c

Using a feeler gauge, measure the end gap

Standard end gap

STANDARD END GAP SPECIFICATIONS

Maximum end gap

MAXIMUM END GAP SPECIFICATIONS

Fig. 110: Checking Piston Ring End Gap
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

If the end gap is greater than the maximum, replace the piston ring If the end gap is greater than
the maximum even with a new piston ring, replace the cylinder block

Item

Specified Condition

No 1 0 23 to 0 33 mm (0 00906 to 0 0130 in )
No 2 0 40 to 0 50 mm (0 0157 to 0 0197 in )

Oil 0 10 to 0 40 mm (0 00394 to 0 0157 in )

Item Specified Condition

No 1 0 42 mm (0 0165 in )
No 2 0 55 mm (0 0217 in )

Oil 0 45 mm (0 0177 in )

2009 Toyota Tundra

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