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GENERAL
1.4 TIGHTENING TORQUES OF STANDARD BOLTS & NUTS
Whenever the tightening torques are not specified, use the following values for these fasteners.
METRICNUT/BOLT IDENTIFICATIONMARKINGS
Identify the grade of metric nuts and bolts by locating the marking on the nut or bolt head. Following fig. shows
the typical grade marking locations for hardware used on the vehicle.
Bolt/Nut
Size
Pitch
(threads/
mm)
Wrench
Size
(mm)
Nut/Bolt Grade
8 (Nut) / 8.8 (Bolt) Torque 10 (Nut) / 10.9 (Bolt) Torque
N.m
kg-m
N.m
kg-m
M6
1
10 8.5 - 10.0 0.85 - 1.0 12 - 14 1.2 - 1.4
1
13 - - 32 - 39 3.2 - 3.9
1.25
13 21 - 25 2.1 - 2.5 29 - 35 2.9 - 3.5
1
17 46 - 56 4.6 - 5.6 64 - 78 6.4 - 7.8
1.5
19 41 - 51 4.1 - 5.1 58 - 70 5.8 - 7.0
1.5 19 75 - 91 7.5 - 9.1 104 - 127 10.4 - 12.7
1.75
19 72 - 88 7.2 - 8.8 99 - 121 9.9 - 12.1
1.5 21 126 - 154 12.6 - 15.4 176 - 215 17.6 - 21.5
2
21 113 - 138 11.3 - 13.8 162 - 198 16.2 - 19.8
1.5 27 189 - 231 18.9 - 23.1 266 - 325 26.6 - 32.5
2
27 176 - 215 17.6 - 21.5 248 - 303 24.8 - 30.3
M8
M10
M12
M14
M16