Toyota Tundra. Manual — part 1825

l

Step 2:

1

Mark the front side of the crankshaft bearing cap bolts with paint

2

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

m

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

Fig. 336: Identifying Bearing Cap Bolts Angle
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

n

Install and uniformly tighten the 8 crankshaft bearing cap bolts in several steps in the sequence
shown below

Torque: 26 N*m (262 kgf*cm, 19 ft.*lbf)

Fig. 337: Identifying Crankshaft Bearing Cap Bolt Tightening Sequence
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

o

Remove the crankshaft bearing caps

1

Step 1:

Uniformly loosen and remove the 8 bearing cap bolts in the sequence shown below

NOTE:

Do not turn the crankshaft.

2009 Toyota Tundra

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

Fig. 338: Identifying Bearing Cap Bolt Loosing Sequence (1 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2

Step 2:

Uniformly loosen and remove the 16 bearing cap bolts in the sequence shown below

Fig. 339: Identifying Bearing Cap Bolt Loosening Sequence (2 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

p

Measure the Plastigage at its widest point

Standard oil clearance: 0.018 to 0.030 mm (0.000709 to 0.00118 in.)

Maximum clearance: 0.046 mm (0.00181 in.)

If the oil clearance is greater than the maximum, replace the bearings If necessary, replace the
crankshaft

NOTE:

Completely remove the Plastigage.

2009 Toyota Tundra

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

Fig. 340: Measuring Plastigage At Widest Point
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

q

If replacing a bearing, replace it with one that has the same number If the number of the bearing
cannot be determined, select the correct bearing by adding together the numbers imprinted on the
cylinder block and crankshaft, then refer to the table below for the appropriate bearing number
There are 5 sizes of standard bearings, marked "1", "2", "3", "4" and "5" accordingly

Journal bearings

JOURNAL BEARINGS SPECIFICATION

HINT:

EXAMPLE

Cylinder block "11" (A) + Crankshaft "06" (B) = Total number 17 (Use bearing "3")

Cylinder block (A) + Crankshaft (B) Use Bearing

0-5

"1"

6-11

"2"

12-17

"3"

18-23

"4"

24-28

"5"

2009 Toyota Tundra

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

Fig. 341: Identifying Marks On Journal Bearing
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Standard journal diameter

JOURNAL DIAMETER SPECIFICATION

Item

Mark

Specified Condition

Cylinder block main journal bore diameter

(A)

"00"

77 000 mm (3 03149 In )

"01"

77 001 mm (3 03152 in )

"02"

77 002 mm (3 03156 in )

"03"

77 003 mm (3 03160 in )

"04"

77 004 mm (3 03164 in )

"05"

77 005 mm (3 03168 in )

"06"

77 006 mm (3 03172 in )

"07"

77 007 mm (3 03176 in )

"08"

77 008 mm (3 03180 in )

"09"

77 009 mm (3 03184 in )

"10"

77 010 mm (3 03188 in )

"11"

77 011 mm (3 03192 in )

"12"

77 012 mm (3 0396 in )

"13"

77 013 mm (3 03200 in )

"14"

77 014 mm (3 03204 in )

"15"

77 015 mm (3 03208 in )

"16"

77 016 mm (3 03211 in )

2009 Toyota Tundra

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