Bearing Cap/Bearing Cap Bolt Installation - Mitsubishi 4G9 User Manual

11A-12-4
4G9 ENGINE (E–W)
Length of shank
(8) (4) (1)
(7) (3) (2)
Arrow
Paint marks
90_ – 100_
E
E
Mitsubishi Motors Corporation
Mitsubishi Motors Corporation
–
Crankshaft, Cylinder Block, Flywheel and Drive Plate
"CA BEARING CAP/BEARING CAP BOLT INSTALLATION
(1) Install the bearing caps so that their arrows are positioned
(2) When installing the bearing cap bolts, check that the
(3) Apply engine oil to the threaded portion and bearing
(4) Tighten the bearing cap bolts to 25 Nm torque in the
(5) (9)
(6) (10)
(5) Make a paint mark on the head of each bolt.
(6) Make a paint mark on the area around the bolt bearing
Paint
marks
(7) Give a 90_ to 100_ turn to the bolts in the tightening
(8) After installing the bearing caps, make sure that the
Nov. 1995
Mar. 2001
on the time belt side.
shank length of each bolt meets the limit. If the limit is
exceeded, replace the bolt.
Limit: max. 71.1 mm
surface of the bolt.
tightening sequence.
surface at location 90_ to 100_ in the direction of tightening
the bolt, as referenced from the paint mark on the bolt
head.
sequence. Make sure that the paint mark on the bolt
and that on the area around the bolt bearing surface
are in alignment.
Caution
1. If the bolt is turned less than 90_, proper fastening
performance may not be expected.
tightening the bolt, therefore, be careful to give
a sufficient turn to it.
2. If the bolt is overtightened (exceeding 100_),
loosen the bolt completely and then retighten it
by repeating the tightening procedure from step
(1).
crankshaft turns smoothly and the end play is correct.
If the end play exceeds the limit, replace crankshaft
bearings.
Standard value: 0.05 – 0.25 mm
Limit: 0.4 mm
PWEE9502-A
PWEE9502-I
When
Revised
Revised