Lexus ES300 (1997 year). Manual — part 476

No.2 and No.3 journal bearings

EXAMPLE:

Cylinder block ”06” (A)

= Total number 14 (Use bearing ”3”)

+ Crankshaft ”08” (B)

Cylinder block (A)

Crankshaft (B) =

+

Use Bearing

Total number

” ”: Number Mark

0 – 5

6 – 11

12 – 17 18 – 23 24 – 28

”1”

”2”

”3”

”4”

”5”

V08070

No.2 and No.3 journal standard bearings selection chart

Crankshaft
number mark

Cylinder block number mark

EXAMPLE:

Cylinder block ”06”, Crankshaft ”08”
= Use bearing ”3”

–

ENGINE MECHANICAL

CYLINDER BLOCK

EM–85

822

1997 LEXUS ES300 (RM511U)

EM–86

–

ENGINE MECHANICAL

CYLINDER BLOCK

823

1997 LEXUS ES300 (RM511U)

Reference:

Item

Mark

mm (in.)

Cylinder block main journal bore diameter

(A)

”00”

”01”

”02”

”03”

”04”

”05”

”06”

”07”

”08”

”09”

”10”

”11”

”12”

”13”

”14”

”15”

”16”

66.000 (2.5984)

66.001 (2.5985)

66.002 (2.5985)

66.003 (2.5985)

66.004 (2.5986)

66.005 (2.5986)

66.006 (2.5987)

66.007 (2.5987)

66.008 (2.5987)

66.009 (2.5988)

66.010 (2.5988)

66.011 (2.5989)

66.012 (2.5989)

66.013 (2.5989)

66.014 (2.5990)

66.015 (2.5990)

66.016 (2.5990)

Crankshaft main journal diameter (B)

”00”

”01”

”02”

”03”

”04”

”05”

”06”

”07”

”08”

”09”

”10”

”11”

”12”

61.000 (2.4016)

60.999 (2.4015)

60.998 (2.4015)

60.997 (2.4015)

60.996 (2.4014)

60.995 (2.4014)

60.994 (2.4013)

60.993 (2.4012)

60.992 (2.4012)

60.991 (2.4012)

60.990 (2.4012)

60.989 (2.4011)

60.988 (2.4011)

Standard bearing center wall thickness

”1”

”2”

”3”

”4”

”5”

”6”

”7”

2.486 – 2.489 (0.0979 – 0.0980)

2.489 – 2.492 (0.0980 – 0.0981)

2.492 – 2.495 (0.0981 – 0.0982)

2.495 – 2.498 (0.0982 – 0.0983)

2.498 – 2.501 (0.0983 – 0.0985)

2.501 – 2.504 (0.0985 – 0.0986)

2.504 – 2.507 (0.0986 – 0.0987)

(l)

Completely remove the Plasticgage.

26.

REMOVE CRANKSHAFT

(a)

Lift out the crankshaft.

(b)

Remove the 4 upper main bearings and 2 upper thrust
washers from the cylinder block.

HINT:
Arrange the main bearing caps, bearings and thrust washers in
the correct order.

P12404

P12405

P12403

P12416

60

°

C

P12415

–

ENGINE MECHANICAL

CYLINDER BLOCK

EM–87

824

1997 LEXUS ES300 (RM511U)

27.

CHECK FIT BETWEEN PISTON AND PISTON PIN

Try to move the piston back and forth on the piston pin.
If any movement is felt, replace the piston and pin as a set.

28.

REMOVE PISTON RINGS

(a)

Using a piston ring expander, remove the 2 compression
rings.

(b)

Remove the 2 side rails and oil ring by hand.

HINT:
Arrange the piston rings in the correct order only.

29.

DISCONNECT CONNECTING ROD FROM PISTON

(a)

Using a small screwdriver, pry out the 2 snap rings.

(b)

Gradually heat the piston to approx. 60

°

C (140

°

F).

(c)

Using a plastic–faced hammer and brass bar, lightly tap
out the piston pin and remove the connecting rod.

HINT:

The piston and pin are a matched set.

Arrange the pistons, pins, rings, connecting rods and
bearings in the correct order.

EM04D–02

P12499

Z09222

P12498

EM–88

–

ENGINE MECHANICAL

CYLINDER BLOCK

825

1997 LEXUS ES300 (RM511U)

INSPECTION

1.

REMOVE GASKET MATERIAL

Using a gasket scraper, remove all the gasket material from the
top surface of the cylinder block.
2.

CLEAN CYLINDER BLOCK

Using a soft brush and solvent, thoroughly clean the cylinder
block.
NOTICE:
If the cylinder is washed at high temperatures, the cylinder
liner sticks out beyond the cylinder block, so always wash
the cylinder block at a temperature of 45

°

C (113

°

F) or less.

3.

INSPECT TOP SURFACE OF CYLINDER BLOCK FOR
FLATNESS

Using a precision straight edge and feeler gauge, measure the
surface contacting the cylinder head gasket for warpage.

Maximum warpage: 0.07 mm (0.0028 in.)

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

4.

INSPECT CYLINDER FOR VERTICAL SCRATCHES

Visually check the cylinder for vertical scratches.
If deep scratches are present, replace the cylinder block.