SERVICE DATA
2-13
2.3 Standard eyebolt tightening torque
2.4 Standard union nut tightening torque
2.5 High-pressure fuel injection pipe tightening torque
Table 2-15 Standard eyebolt tightening torque
Threads
Dia × Pitch
(mm)
Width
across flats
(mm) [in.]
Strength classification
4T
N·m kgf·m lbf·ft
M8 × 1.25 12 [0.47] 8 ± 1 0.8 ± 0.1 6 ± 0.7
M10 × 1.25 14 [0.55] 15 ± 2 1.5 ± 0.2 11 ± 1.5
M12 × 1.25 17 [0.67] 25 ± 3 2.5 ± 0.3 18 ± 2.2
M14 × 1.5 19 [0.75] 34 ± 4 3.5 ± 0.4 25 ± 3.0
M16 × 1.5 22 [0.87] 44 ± 5 4.5 ± 0.5 32 ± 3.7
M18 × 1.5 24 [0.94] 74 ± 5 7.5 ± 0.5 55 ± 3.7
M20 × 1.5 27 [1.06] 98 ± 10 10.0 ± 1.0 72 ± 7.4
M24 × 1.5 32 [1.26] 147 ± 15 15.0 ± 1.5 108 ± 11.1
M27 × 1.5 41 [1.61] 226 ± 20 23.0 ± 2.0 167 ± 14.8
(Dry)
Table 2-16 Standard union nut tightening torque
Nominal
diameter
Cap nut size
M (mm)
Width
across flats
(mm) [in.]
N·m kgf·m lbf·ft
63 M14 × 1.5 19 [0.75] 39 4 29
80 M16 × 1.5 22 [0.87] 49 5 36
100 M20 × 1.5 27 [1.06] 78 8 58
120 M22 × 1.5 30 [1.18] 98 10 72
150 M27 × 1.5 32 [1.26] 157 16 116
180 M30 × 1.5 36 [1.42] 196 20 145
200 M30 × 1.5 36 [1.42] 196 20 145
220 M33 × 1.5 41 [1.61] 245 25 181
254 M36 × 1.5 41 [1.61] 294 30 217
(Maximum tolerance value: ±10%, dry condition)
Table 2-17 High-pressure fuel injection pipe tightening torque
Cap nut size
(mm)
N·m kgf·m lbf·ft
M12 × 1.5 39 ± 5 4 ± 0.5 29 ± 3.6
M14 × 1.5 49 ± 5 5 ± 0.5 36 ± 3.6
M18 × 1.5 59 ± 1 6 ± 1.0 43 ± 7.2
(Dry)