Mitsubishi 1992 3000GT, Service Manual

Page: 32 / 1308

GENERAL
Tightening Torque
TIGHTENING TORQUE
Each torque value in the table is a standard value
for tightening under the following conditions.
(1) Bolts, nuts and washers are all made of steel
and plated with zinc.
(2) The threads and bearing surface of bolts and
nuts are all in dry condition.
The values in the table are not applicable:
(1) If toothed washers are inserted.
(2) If plastic parts are fastened.
(3) If bolts are tightened to plastic or die-cast in-
set-ted nuts.
(4) If self-tapping screws or self-locking nuts are
used.
Standard bolt and nut tightening torque
Bolt nominal
diameter (mm)
Pitch (mm)
Head mark “4”
Torque Nm
Head mark “7” Head mark “8”
2.5 (1.8) 4.9 (3.6)
1.0 4.9 (3.6) 8.8 (6.5)
9.8 (7.2)
M8 1.25 12 (8.7)
22 (16) 25 (18)
Ml2
Ml4
1.5
72 (53)
206 (152)
304 (224) 343 (253)
M20 1.5 226 (166) 412 (304) 481 (354)
M22 1.5 304 (224) 559 (412) 647 (477)
392 (289)
735 (542) 853 (629)
Flange bolt and nut tightening torque
Bolt nominal
diameter (mm)
Pitch (mm)
Head mark “4”
Torque Nm
Head mark Head mark
M6 1.0
4.9 (3.6) 9.8 (7.2) 12 (8.7)
I
M8
1.25
13 (9.4)
24 (17) 28 (20)
1.25
26 (19)
49 (36) 57 (42)
1.5 24 (17)
44 (33)
54 (40)
Ml2 1.25
46
93 (69) 103 (76)
Ml2 1.75
42 (31) 81 (60)
96 (71)
TSB Revision