MITSUBISHI 4M50 FRONT CASE Bolt identification (Unit: MM) Breather cover (bc) Bolt #
Bolt diameter and length
Vacuum pump (vp) Bolt #
Bolt diameter and length
1
M8 x 30
1
M8 x 75
2
M8 x 20
2
M8 x 75
3
M8 x 20
3
M8 x 20
4
M8 x 100 (with spacer & washer)
5
M8 x 70
6
M8 x 35 (with spacer & washer)
1
M8 x 15
7
M8 x 35 (with spacer & washer)
2
M8 x 55
Water pump (wp)
3
M8 x 15
4
M8 x 15
Bolt #
Bolt diameter and length
Thermostat housing (th) Bolt #
Bolt diameter and length
Oil pan (op)
1
M8 x 80
2
M8 x 80
Bolt #
3
M8 x 25
1
M8 x 10
4
M8 x 80
2
M8 x 10
5
M8 x 85
3
M8 x 10
6
M8 x 25
4
M8 x 10
7
M8 x 25 Noise suppression shield
Bolt #
Bolt diameter and length
Bolt diameter and length
Front cover Bolt #
Bolt diameter and length
a
M8 x 25
1
M8 x 20 (with spacer & washer)
b
M8 x 75
2
M8 x 20 (with spacer & washer)
c
M8 x 100
3
M8 x 20 (with spacer & washer)
d
M8 x 100
4
M8 x 80 (with spacer & washer)
e
M8 x 100
5
M8 x 20 (with spacer & washer)
f
M8 x 100
Power steering pump (ps)
g
M8 x 65
h
M8 x 45
i
M8 x 65
Bolt # 1
Bolt diameter and length M8 x 80
2
M8 x 130
j
M8 x 75
3
M8 x 80
k
M8 x 75
l
M8 x 75
m
M8 x 60
Power steering return line brackets (psrl) Bolt #
Bolt diameter and length
1
M8 x 15
n
M8 x 100
2
M8 x 15
o
M8 x 75
3
M8 x 15
p
M8 x 75
4
M8 x 15
q
M8 x 75
11-70