Bearings, Main (001-006)
B3.9 and B5.9 Series Engines
Section 1 - Cylinder Block - Group 01
Mark the bearing shell with the letter L (lower) and the
journal number it was removed from.
Perform an inspection of the main bearings and crankshaft
journals. Remove the No. 2 and 3 caps, and check the
crankshaft journals for signs of overheating, deep scratches,
or other damage. If there is no damage, there is no need
to pull the other main bearing caps at this time.
Remove all main bearing caps except the No. 1 and 7 main
bearing caps for six-cylinder engine. The four-cylinder en-
gine is depicted in the illustration.
Use a pin to roll out the upper bearings from between the
crankshaft and cylinder block.
To make a pin, grind a 6-mm [0.24-in] capscrew to the