Cylinder Block - Inspection (Cont'd)

EM-151prose procedure

Two crankshaft types (Type I front view, Type II rear view) shown for pin journal grade locations.

Inspection (Cont'd)

Connecting rod bearing (Cont'd)

6
If it exceeds the limit, replace bearing.
7
If clearance cannot be adjusted within the standard of any bearing, grind crankshaft journal and use undersized bearing. Refer to step 7 of "BEARING CLEARANCE - Main bearing".
8
If crankshaft is replaced with a new one, select connecting rod bearing according to the following table.
Connecting rod bearing grade number: Grade numbers are punched in either Arabic or Roman numerals.
SEM013D

Connecting rod bearing grade number selection

Crank pin grade number	Connecting rod bearing grade number
0	0
1	1
2	2

Connecting rod bearing grade number0

Connecting rod bearing grade number1

Connecting rod bearing grade number2

NOTE

Identification color: Grade 0; No color, Grade 1; Black, Grade 2; Brown

Method B (Using plastigage)

CAUTION

Do not turn crankshaft or connecting rod while plastigage is being inserted. When bearing clearance exceeds the specified limit, ensure that the proper bearing has been installed. Then if excessive bearing clearance exists, use a thicker main bearing or undersized bearing so that the specified bearing clearance is obtained.

Connecting Rod Bushing Clearance (Small end)

1
Measure inner diameter "C" of bushing.
SEM151B

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