Last Modified: 11-29-2007 1.6 F
Service Category: General Section: Specifications
Model Year: 2008 Model: Sequoia Doc ID: RM000002YUX00AX
Title: SPECIFICATIONS: 3UR-FE ENGINE MECHANICAL: SERVICE DATA (2008 Sequoia)

SERVICE DATA

ENGINE

Ignition timing

Terminal TC and CG of DLC3 connected

(Transmission in neutral and A/C switch OFF)

8 to 12° BTDC @ idle

Terminals TC and CG of DLC3 disconnected

(Transmission in neutral and A/C switch OFF)

7 to 24° BTDC @ idle

Idle speed

(Transmission in neutral and A/C switch OFF)

650 to 750 rpm

Compression

Standard

1300 kPa (13.3 kgf/cm2, 189 psi) or more

Minimum

1000 kPa (10.2 kgf/cm2, 145 psi)

Difference

100 kPa (1.0 kgf/cm2, 15 psi) or less

CYLINDER HEAD

Camshaft oil clearance

No. 1 journal

Standard

0.030 to 0.065 mm (0.00118 to 0.00256 in.)

Maximum

0.10 mm (0.00394 in.)

Other journal

Standard

0.025 to 0.062 mm (0.000984 to 0.00244 in.)

Maximum

0.09 mm (0.00354 in.)

Camshaft thrust clearance

Standard

0.08 to 0.135 mm (0.00315 to 0.00531 in.)

Maximum

0.15 mm (0.00591 in.)

Compression spring

Free length

Standard

49.39 mm (1.94 in.)

Deviation

Maximum

1.0 mm (0.0394 in.)

Angle (reference)

Maximum

Intake valve

Valve stem diameter

Standard

5.470 to 5.485 mm (0.215 to 0.216 in.)

Margin thickness

Standard

1.10 to 1.40 mm (0.0433 to 0.0551 in.)

Minimum

0.50 mm (0.0197 in.)

Overall length

Standard

105.85 mm (4.17 in.)

Minimum

105.35 mm (4.15 in.

Exhaust valve

Valve stem diameter

Standard

5.465 to 5.480 mm (0.215 to 0.216 in.)

Margin thickness

Standard

1.25 to 1.55 mm (0.0492 to 0.0610 in.)

Minimum

0.50 mm (0.0197 in.)

Overall length

Standard

110.40 mm (4.35 in.)

Minimum

109.90 mm (4.33 in.)

Intake valve seat

Width

Standard

1.1 to 1.5 mm (0.0433 to 0.0591 in.)

Exhaust valve seat

Width

Standard

1.1 to 1.5 mm (0.0433 to 0.0591 in.)

Valve guide bush

Inside diameter

Standard

5.51 to 5.53 mm (0.217 to 0.218 in.)

Valve guide bush oil clearance

Intake

Standard

0.025 to 0.060 mm (0.00098 to 0.00236 in.)

Maximum

0.08 mm (0.00315 in.)

Exhaust

Standard

0.030 to 0.065 mm (0.00118 to 0.00256 in.)

Maximum

0.10 mm (0.00394 in.)

Cylinder head warpage

Cylinder head lower side

Standard

0.05 mm (0.00197 in.)

Intake side

0.08 mm (0.00315 in.)

Exhaust side

0.05 mm (0.00197 in.)

-

Maximum

0.10 mm (0.00394 in.)

Valve guide bush

Cylinder bore diameter

Standard

10.285 to 10.306 mm (0.405 to 0.406 in.)

Bush bore diameter

STD

10.333 to 10.344 mm (0.4068 to 0.4072 in.)

O/S 0.05

10.383 to 10.394 mm (0.4088 to 0.4092 in.)

Protrusion height

Standard

14.3 to 14.7 mm (0.563 to 0.579 in.)

Bush length

Intake

Standard

41.3 to 41.7 mm (1.63 to 1.64 in.)

Exhaust

46.8 to 47.2 mm (1.84 to 1.86 in.)

Ring pin

Protrusion height

A

5.5 to 6.5 mm (0.217 to 0.256 in.)

B

3.5 to 6.5 mm (0.138 to 0.256 in.)

CYLINDER BLOCK

Connecting rod

Thrust clearance

Standard

0.15 to 0.55 mm (0.00591 to 0.02165 in.)

Maximum

0.70 mm (0.02756 in.)

Oil clearance

Standard

0.025 to 0.050 mm (0.00098 to 0.00197 in.)

Maximum

0.070 mm (0.00276 in.)

Standard sized bearing center wall thickness

Mark 2

1.489 to 1.492 mm (0.0586 to0.0587 in.)

Mark 3

1.492 to 1.495 mm (0.0587 to 0.0589 in.)

Mark 4

1.495 to 1.498 mm (0.0589 to 0.0590 in.)

Mark 5

1.498 to 1.501 mm (0.0590 to 0.0591 in.)

Mark 6

1.501 to 1.504 mm (0.0591 to 0.0592 in.)

Mark 7

1.504 to 1.507 mm (0.0592 to 0.0593 in.)

Big end inside diameter

Mark 1

59.000 to 59.006 mm (2.32283 to 2.32306 in.)

Mark 2

59.006 to 59.012 mm (2.32306 to 2.32330 in.)

Mark 3

59.012 to 59.018 mm (2.32330 to 2.32354 in.)

Mark 4

59.018 to 59.024 mm (2.32354 to 2.32377 in.)

Bend

Maximum

0.05 mm (0.00197 in.) per 100 mm (3.94 in.)

Twist

Maximum

0.15 mm (0.00591 in.) per 100 mm (3.94 in.)

Crankshaft pin

Diameter

Mark 1

55.994 to 56.000 mm (2.20449 to 2.20472 in.)

Mark 2

55.988 to 55.994 mm (2.20425 to 2.20449 in.)

Mark 3

55.982 to 55.998 mm (2.20402 to 2.20425 in.)

Cylinder block

Warpage

Maximum

0.07 mm (0.00276 in.)

Cylinder bore

Standard

94.000 to 94.012 mm (3.700 to 3.701 in.)

Maximum

94.200 mm (3.709 in.)

Piston ring

Groove clearance

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.)

End gap

Standard

No. 1

0.25 to 0.35 mm (0.00984 to 0.0138 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.)

Maximum

No. 1

0.42 mm (0.0165 in.)

No. 2

0.55 mm (0.0217 in.)

Oil

0.45 mm (0.0177 in.)

Piston

Diameter

Standard

93.950 to 93.960 mm (3.6988 to 3.6992 in.)

Minimum

93.815 mm (3.6935 in.)

Oil clearance

Standard

0.050 to 0.072 mm (0.00197 to 0.00283 in.)

Maximum

0.385 mm (0.0152 in.)

Piston pin

Hole inside diameter

Mark A

21.998 to 22.001 mm (0.86606 to 0.86618 in.)

Mark B

22.001 to 22.004 mm (0.86618 to 0.86630 in.)

Mark C

22.004 to 22.007 mm (0.86630 to 0.86642 in.)

Diameter

Mark A

21.997 to 22.000 mm (0.86602 to 0.86614 in.)

Mark B

22.000 to 22.003 mm (0.86614 to 0.86626 in.)

Mark C

22.003 to 22.006 mm (0.86626 to 0.86638 in.)

Oil clearance

Standard

-0.002 to 0.004 mm (-0.000079 to 0.000157 in.)

Maximum

0.015 mm (0.000591 in.)

Connecting rod bush

Inside diameter

Mark A

22.005 to 22.008 mm (0.86634 to 0.86645 in.)

Mark B

22.008 to 22.011 mm (0.86645 to 0.86687 in.)

Mark C

22.011 to 22.014 mm (0.86657 to 0.86669 in.)

Oil clearance

Standard

0.005 to 0.011 mm (0.000197 to 0.000433 in.)

Maximum

0.03 mm (0.001181 in.)

Crankshaft

Thrust clearance

Standard

0.020 to 0.220 mm (0.000787 to 0.00866 in.)

Maximum

0.30 mm (0.0118 in.)

Thrust washer thickness

Standard

2.44 to 2.49 mm (0.0961 to 0.0980 in.)

Circle runout

Maximum

0.06 mm (0.00236 in.)

Main journal

Diameter

Standard

66.988 to 67.000 mm (2.6373 to 2.6378 in.)

Taper and out-of-round

Maximum

0.02 mm (0.000787 in.)

Crank pin

Diameter

Standard

55.982 to 56.000 mm (2.2040 to 2.2047 in.)

Taper and out-of-round

Maximum

0.02 mm (0.000787 in.)

Oil clearance

No. 1 and No. 5 journal

Standard

0.017 to 0.030 mm (0.000669 to 0.00118 in.)

Maximum

0.050 mm (0.00197 in.)

Other journal

Standard

0.024 to 0.037 mm (0.000945 to 0.00146 in.)

Maximum

0.060 mm (0.00236 in.)

Crankshaft journal bearing center wall thickness

No. 1 and No. 5 journal

Upper bearing

00 to 02

4

2.501 to 2.504 (0.0985 to 0.0986 in.)

03 to 05

5

2.504 to 2.507 (0.0986 to 0.0987 in.)

06 to 08

5

2.504 to 2.507 (0.0986 to 0.0987 in.)

09 to 11

6

2.507 to 2.510 (0.0987 to 0.0988 in.)

12 to 14

6

2.507 to 2.510 (0.0987 to 0.0988 in.)

15 to 17

7

2.510 to 2.513 (0.0988 to 0.0989 in.)

18 to 20

7

2.510 to 2.513 (0.0988 to 0.0989 in.)

21 to 23

8

2.513 to 2.516 (0.0989 to 0.0991 in.)

24 to 26

8

2.513 to 2.516 (0.0989 to 0.0991 in.)

27 to 28

9

2.516 to 2.519 (0.0991 to 0.0992 in.)

Lower bearing

00 to 02

5

2.488 to 2.491 (0.0980 to 0.0981 in.)

03 to 05

5

2.488 to 2.491 (0.0980 to 0.0981 in.)

06 to 08

6

2.491 to 2.494 (0.0981 to 0.0982 in.)

09 to 11

6

2.491 to 2.494 (0.0981 to 0.0982 in.)

12 to 14

7

2.494 to 2.497 (0.0982 to 0.0983 in.)

15 to 17

7

2.494 to 2.497 (0.0982 to 0.0983 in.)

18 to 20

8

2.497 to 2.500 (0.0983 to 0.0984 in.)

21 to 23

8

2.497 to 2.500 (0.0983 to 0.0984 in.)

24 to 26

9

2.500 to 2.503 (0.0984 to 0.0985 in.)

27 to 28

9

2.500 to 2.503 (0.0984 to 0.0985 in.)

Bearing center wall thickness

Other journal

Upper bearing

00 to 02

3

2.482 to 2.485 (0.0977 to 0.0978 in.)

03 to 05

4

2.485 to 2.488 (0.0978 to 0.0980 in.)

06 to 08

4

2.485 to 2.488 (0.0978 to 0.0980 in.)

09 to 11

5

2.488 to 2.491 (0.0980 to 0.0981 in.)

12 to 14

5

2.488 to 2.491 (0.0980 to 0.0981 in.)

15 to 17

6

2.491 to 2.494 (0.0981 to 0.0982 in.)

18 to 20

6

2.491 to 2.494 (0.0981 to 0.0982 in.)

21 to 23

7

2.494 to 2.497 (0.0982 to 0.0983 in.)

24 to 26

7

2.494 to 2.497 (0.0982 to 0.0983 in.)

27 to 28

8

2.497 to 2.500 (0.0983 to 0.0984 in.)

Lower bearing

00 to 02

4

2.501 to 2.504 (0.0985 to 0.0986 in.)

03 to 05

4

2.501 to 2.504 (0.0985 to 0.0986 in.)

06 to 08

5

2.504 to 2.507 (0.0986 to 0.0987 in.)

09 to 11

5

2.504 to 2.507 (0.0986 to 0.0987 in.)

12 to 14

6

2.507 to 2.510 (0.0987 to 0.0988 in.)

15 to 17

6

2.507 to 2.510 (0.0987 to 0.0988 in.)

18 to 20

7

2.510 to 2.513 (0.0988 to 0.0989 in.)

21 to 23

7

2.510 to 2.513 (0.0988 to 0.0989 in.)

24 to 26

8

2.513 to 2.516 (0.0989 to 0.0991 in.)

27 to 28

8

2.513 to 2.516 (0.0989 to 0.0991 in.)

Connecting rod bolt

Diameter

Standard

8.5 to 8.6 mm (0.335 to 0.339 in.)

Minimum

8.3 mm (0.327 in.)

Crankshaft bearing cap set bolt

Diameter

Bolt A

Standard

10.5 to 11.0 mm (0.413 to 0.433 in.)

Minimum

10.4 mm (0.409 in.)

Bolt B

Standard

9.5 to 10.0 mm (0.374 to 0.394 in.)

Minimum

9.4 mm (0.370 in.)

Straight pin

Protrusion height

A

23 mm (0.906 in.)

B

11 mm (0.433 in.)

C

9 mm (0.354 in.)

D

6 mm (0.236 in.)

Crankshaft bearing

Bearing cap's edge and the lower bearing's edge

Dimension A - B or B - A

0 to 0.7 mm (0 to 0.0276 in.)

Connecting rod bearing

connecting rod's and bearing cap's edges

Dimension A - B or B - A

0 to 0.7 mm (0 to 0.0276 in.)

ENGINE UNIT

Cylinder head set bolt

Outside diameter

Standard

10.85 to 11.00 mm (0.427 to 0.433 in.)

Minimum

10.6 mm (0.417 in.)

Camshaft

Circle runout

Maximum

0.04 mm (0.00157 in.)

Cam lobe height

Intake

Standard

44.291 to 44.441 mm (1.744 to 1.750 in.)

Minimum

44.241 mm (1.742 in.)

Exhaust

Standard

44.196 to 44.346 mm (1.740 to 1.746 in.)

Minimum

44.146 mm (1.738 in.)

Journal diameter

No. 1 journal

Standard

29.956 to 29.970 mm (1.1793 to 1.1799 in.)

Other journal

25.959 to 25.975 mm (1.0220 to 1.0226 in.)

Timing chain

No. 1 chain

Chain elongation

Maximum

136.9 mm (5.39 in.)

No. 2 chain

137.6 mm (5.42 in.)

Sprocket diameter (w/ chain)

Crankshaft timing sprocket RH

Minimum

61.4 mm (2.42 in.)

Crankshaft timing sprocket LH

61.4 mm (2.42 in.)

No. 2 chain tensioner

Depth

Maximum

0.9 mm (0.0354 in.)

No. 3 chain tensioner

0.9 mm (0.0354 in.)

Chain tensioner slipper

1.0 mm (0.0394 in.)

No. 1 chain vibration damper

1.0 mm (0.0394 in.)

Exhaust manifold

Warpage

0.7 mm (0.0276 in.)

Ring pin

Protrusion height

A

7.5 to 8.5 mm (0.295 to 0.335 in.)

B

3.6 to 4.6 mm (0.142 to 0.181 in.)