Connecting Rod (001-014)
B3.9 and B5.9 Series Engines
Section 1 - Cylinder Block - Group 01
Bearing clearance can also be determined with Plastigauge
during engine assembly.
Crankshaft and Main Bearings
Improper maintenance of the lubrication system is also the
primary cause of reduced main bearing life.
A malfunction of the crankshaft/main bearing will usually
be detected by reduced lubricating oil pressure. If the rod
bearings continue operation with low-lubricating oil pres-
and eventually will produce a knocking sound.
A connecting rod knock occurs when the engine is not
loaded. Verify by first applying load and then unloading and
listening for the knock.
Install the pistons and connecting rod assemblies. Refer to