Cylinder Block - Inspection (1-01)
Section 1 - Cylinder Block - Group 1
B Series Shop Manual
Inspect the main bearing bores for damage or abnormal
Install the main bearings and measure main bearing bore
diameter with main bolts tightened to 176 Nm [130 ft-lb].
NOTE: Record this measurement for use in determining
main bearing clearance as described in procedure (1-12).
Remove the bearing and install the main bearing cap.
Torque the main bearing capscrews to 176 Nm [130
ft-lb]. Measure the main bearing bore with the bearing
Inspect the camshaft bore without the bushing for scoring
or excessive wear.
Diameter No. 1
Measure the diameter of camshaft bores No. 2 through
Diameter No. 2-5
Service bushings are available and must be used if wear
exceeds above dimensions.