Mitsubishi 4G1 series General Information

3MSB–02E11–505
<Tightening procedure>
1. Prevent the flywheel or drive plate from rotating
using the special tool.
2. Clean the crankshaft bolt hole.
3. Clean and degrease the crankshaft pulley.
NOTE
Degreasing is necessary to prevent lack of frictional
coefficient on the mating surfaces due to presence
of oil or grease.
4. Install the crankshaft pulley.
5. Apply necessary minimum amount of engine oil to
the threads and bearing surface of the crankshaft
bolt flange.
6. Clean the washer.
7. Install the washer with the shear droop side toward
the bolt head.
8. Tighten the crankshaft bolt in the following proce-
dure.
<Crankshaft with steel plate pulley>
1. Tighten the crankshaft bolt to 132 N@ m.
Caution
Never exceed a torque of 206 N@ m during
additional tightening to an angle within the
specified range.
2. Using the special tool, Angle gauge
(MB991614), turn the bolt in the tightening direc-
tion to an angle within the 35 – 55° range.
<Crankshaft with casting pulley>
Tighten the crankshaft bolt to 132 N@ m.
Crankshaft pulley
Crankshaft bolt
Degrease
Crankshaft
Shear droop
Washer
Clean
35 – 55°
MB991614
MD998781

Mitsubishi 4G1 series Specifications

General

Brand	Mitsubishi
Model	4G1 series
Category	Engine
Language	English