ENGINE MECHANICAL SERVICE MANUAL NUMBER 22
Page 3A-126 90-860074--1 FEBRUARY 2002
3. Measure rear main bearing clearance in the same manner as the center main bearings
(no assembly of carrier is required).
4. To check clearance of front main bearing:
a. Measure crankshaft front main bearing journal.
b. Measure I.D. of front main bearing in cylinder block as shown.
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c. Calculate difference between measurement taken in step a. and b. (clearance) and
refer to specifications for maximum clearance.
TIMING GEAR
1. Ensure timing gear teeth are not worn or damaged.
2. Remove slight indentations with a very fine grade Carborundum stone.
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