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b. CRANKSHAFT MAIN BEARING
When replacing the main bearing, check the crankshaft main
journal code number and the cylinder block I.D. code letter, and
select the correct bearing by referring to the bearing selection
table.
• If the code letter and/or number is not clear, clean the area
with a cleaning solvent and check again. Do not scrub with a
stiff wire brush or screwdriver to clean.
1) Check each crankshaft main journal code number in the
position shown, and record them.
Crankshaft main journal O.D.: 40 mm (1.6 in)
2) Check each cylinder block I.D. code letter in the position
shown, and record it.
Main bearing I.D.: 44 mm (1.7 in)
Code
Tolerance
letter
A
0.000 - +0.006 mm ( 0.0000 - +0.0002 in)
B
+0.006 - +0.012 mm (+0.0002 - +0.0005 in)
C
+0.012 - +0.018 mm (+0.0005 - +0.0007 in)
D
+0.018 - +0.024 mm (+0.0007 - +0.0009 in)
Code
Tolerance
number
4
-0.018 - -0.012 mm (-0.0007 - -0.0005 in)
3
-0.012 - -0.006 mm (-0.0005 - -0.0002 in)
2
-0.006 -
0.000 mm (-0.0002 -
0.0000 in)
1
0.000 - +0.006 mm ( 0.0000 - +0.0002 in)
3) Select the correct bearing by referring to the crankshaft
main journal code number and the cylinder block I.D. code
letter.
[1]
No.1 journal and the subsequent numbers
viewed from the alternator rotor side.
[6]
CRANKSHAFT MAIN JOURNAL CODE NUMBER
(No.1 journal and the subsequent numbers
viewed from the left side)
[8]
No.1
MAIN
JOURNAL
[7]
No.4
MAIN
JOURNAL
[1]
CYLINDER
BLOCK
[3]
No.1 MAIN
JOURNAL
[6]
No.4 MAIN
JOURNAL
[5]
No.3 MAIN
JOURNAL
[4]
No.2 MAIN
JOURNAL
[2]
CYLINDER BLOCK CODE LETTER
(No.1 journal and the subsequent
letters viewed from the right side)
[3] No.3
[2] No.4
[4] No.2
[5] No.1
198