Connecting Rod Cap Installation (3.0L) - Mazda B-Series 1997 Workshop Manual

ASSEMBLY
NOTCH ON PISTON DOME AND BUTTON ON
CONNECTING ROD IDENTIFICATION MARKS MUST
BE ON SAME SIDE AND TOWARDS THE FROIVT OF
w
I
VIEWED FROM FRONT OF ENGINE
RING
iSSOR
FRONT OF ENGINE
Note
Be sure to install pistons in the same cylinders from
which they were removed or were fitted. The con-
necting rod and bearing caps are identified with
matching correlated letters. Letters on the con-
necting rod and the bearing cap must be on the
same side when installed. If a connecting rod from
a different cylinder block is used, new bearings
should be fitted.
8. Carefully align the piston to the cylinder bore, making sure
the piston dome notch and the button on the connecting
rod face the front of engine.
9. Install a piston by tapping with a wooden hammer handle
or similar device while aligning the connecting rod to the
crankshaft journal.
10. Apply engine oil to bearing surfaces and the crankshaft
journal.
Connecting rod cap
1. Measure the connecting rod bearing oil clearances as
follows.
Caution
Do not rotate the crankshaft when measuring the
oil clearances.
Oil clearances must be measured with the connect-
ing rod in the BTDC position.
(1 ) Remove any foreign material and oil from the journals
and bearings.
(2) Install the connecting rod bearing into the connecting
rod cap.
(3) Position Plastigage atop the jourr~als in the axial direc-
tion.
(4) Apply clean engine oil to the threads and seat faces of
the connecting rod cap bolts.
(5) Install the connecting rod cap.