Hyundai Ioniq: General Tightening Torque Table / General information

Hyundai Ioniq (AE) 2017-2024 Service Manual / General Information / General Tightening Torque Table / General information

Tightening Torque Table of Standard Parts
Bolt (Nominal diameter)
Nut (Nominal diameter)


Bolt/ Nut Normal screw
Torque Nm (kg.m, Ib-ft)

Nominal diameter.
(mm)
Pitch [mm (in.) ]
4T
8T
10T

M5
0.8 (0.031)
2.0 - 3.0 (0.2 - 0.3, 1.4 - 2.2)
4.9 - 6.9 (0.5 - 0.7, 3.6 - 5.1)
7.8 - 10.8 (0.8 - 1.1, 5.8 - 8.0)
M6
1 (0.039)
2.9 - 4.9 (0.3 - 0.5, 2.2 - 3.6)  
8.8 - 12.7 (0.9 - 1.3, 6.5 - 9.4)  
13.7 - 18.6 (1.4 - 1.9, 10.1 - 13.7)
M8
1.25 (0.049)
8.8 - 11.8 (0.9 - 1.2, 6.5 - 8.7)
22.6 - 30.4 (2.3 - 3.1, 16.6 - 22.4)  
33.3 - 44.1 (3.4 - 4.5, 24.6 - 32.5)
M10
1.5 (0.059)
16.7 - 22.6 (1.7 - 2.3, 12.3 - 16.6)
45.1 - 60.8 (4.6 - 6.2, 33.3 - 44.8)
65.7 - 88.3 (6.7 - 9.0, 48.5 - 65.1)
M12
1.75 (0.068)
29.4 - 39.2 (3.0 - 4.0, 21.7 - 28.9)
78.5 - 105.9 (8.0 - 10.8, 57.9 - 78.1)
114.7 - 154.9 (11.7 - 15.8, 84.6 - 114.3)
M14
2 (0.078)
47.1 - 63.7 (4.8 - 6.5, 34.7 - 47.0)
125.5 - 169.7 (12.8 - 17.3, 92.6 - 125.1)
183.4 - 249.1 (18.7 - 25.4, 135.3 - 183.7)
M16
2 (0.078)
73.5 - 100.0 (7.5 - 10.2, 54.2 - 73.8)
197.1 - 266.7 (20.1 - 27.2, 145.4 - 196.7)
288.3 - 390.3 (29.4 - 39.8, 212.7 - 287.9)
M20
2.5 (0.098)
144.2 - 195.2 (14.7 - 19.9, 106.3 - 143.9)
396.2 - 535.4 (40.4 - 54.6, 292.2 - 394.9)
565.8 - 764.9 (57.7 - 78.0, 417.3 - 564.2)
M24
3 (0.118)
249.1 - 337.3 (25.4 - 34.4, 183.7 - 248.8)
687.4 - 929.7 (70.1 - 94.8, 507.0 - 685.7)
975.8 - 1320.0 (99.5 - 134.6, 719.7 - 973.6)
M30
3.5 (0.137)
499.2 - 674.7 (50.9 - 68.8, 368.2 - 497.6)
1372.9 - 1858.4 (140.0 - 189.5, 1012.6 - 1370.7)
1956.4 - 2647.8 (199.5 - 270.0, 1443.0 - 1952.9)

Bolt/ Nut Thin screw
Torque Nm (kg.m, Ib-ft)
Nominal diameter.
(mm)
Pitch [mm (in.) ]
4T
8T
10T

M5
0.5 (0.019)
2.0 - 3.0 (0.2 - 0.3, 1.4 - 2.2)
5.9 - 8.8 (0.6 - 0.9, 4.3 - 6.5)
8.8 - 12.7 (0.9 - 1.3, 6.5 - 9.4)
M6
0.75 (0.029)
3.9 - 4.9 (0.4 - 0.5, 2.9 - 3.6)
9.8 - 13.7 (1.0 - 1.4, 7.2 - 10.1)
14.7 - 20.6 (1.5 - 2.1, 10.8 - 15.2)
M8
1 (0.039)
8.8 - 11.8 (0.9 - 1.2, 6.5 - 8.7)
24.5 - 32.4 (2.5 - 3.3, 18.1 - 23.9)
35.3 - 48.1 (3.6 - 4.9, 26.0 - 35.4)
M10
1.25 (0.049)
17.7 - 23.5 (1.8 - 2.4, 13.0 - 17.4)
47.1 - 63.7 (4.8 - 6.5, 34.7 - 47.0)
69.6 - 94.1 (7.1 - 9.6, 51.4 - 69.4)
M12
1.25 (0.049)
32.4 - 44.1 (3.3 - 4.5, 23.9 - 32.5)
86.3 - 117.7 (8.8 - 12.0, 63.7 - 86.8)
127.5 - 172.6 (13.0 - 17.6, 94.0 - 127.3)
M14
1.5 (0.059)
51.0 - 69.6 (5.2 - 7.1, 37.6 - 51.4)
136.3 - 185.3 (13.9 - 18.9, 100.5 - 136.7)
201.0 - 271.6 (20.5 - 27.7, 148.3 - 200.4)
M16
1.5 (0.059)
79.4 - 107.9 (8.1 - 11.0, 58.6 - 79.6)
211.8 - 286.4 (21.6 - 29.2, 156.2 - 211.2)
311.8 - 421.7 (31.8 - 43.0, 230.0 - 311.0)
M20
1.5 (0.059)
163.8 - 221.6 (16.7 - 22.6, 120.8 - 163.5)
448.2 - 607.0 (45.7 - 61.9, 330.5 - 447.7)
639.4 - 864.9 (65.2 - 88.2, 471.6 - 638.0)
M24
2 (0.078)
276.5 - 373.6 (28.2 - 38.1, 204.0 - 275.6)
759.0 - 1026.8 (77.4 - 104.7, 559.8 - 757.3)
1080.7 - 1462.2 (110.2 - 149.1, 797.1 - 1078.4)
M30
2 (0.078)
562.9 - 762.0 (57.4 - 77.7, 415.2 - 562.0)
1553.4 - 2102.5 (158.4 - 214.4, 1145.7 - 1550.8)
2210.4 - 2991.0 (225.4 - 305.0, 1630.3 - 2206.1)

Flange Bolt (Nominal diameter)
Flange Nut (Nominal diameter)


Flange Bolt/ Nut Normal screw
Torque Nm (kg.m, Ib-ft)
Nominal diameter.
(mm)
Pitch [mm (in.) ]
4T
8T
10T

M5
0.8 (0.031)
2.0 - 2.9 (0.2 - 0.3, 1.4 - 2.2)
5.9 - 7.8 (0.6 - 0.8, 4.3 - 5.8)
8.8 - 11.8 (0.9 - 1.2, 6.5 - 8.7)
M6
1 (0.039)
3.9 - 4.9 (0.4 - 0.5, 2.9 - 3.6)
9.8 - 13.7 (1.0 - 1.4, 7.2 - 10.1)
14.7 - 19.6 (1.5 - 2.0, 10.8 - 14.5)
M8
1.25 (0.049)
8.8 - 11.8 (0.9 - 1.2, 6.5 - 8.7)
24.5 - 32.4 (2.5 - 3.3, 18.1 - 23.9)
35.3 - 48.1 (3.6 - 4.9, 26.0 - 35.4)
M10
1.5 (0.059)
17.7 - 24.5 (1.8 - 2.5, 13.0 - 18.1)
48.1 - 65.7 (4.9 - 6.7, 35.4 - 48.5)
70.6 - 96.1 (7.2 - 9.8, 52.1 - 70.9)
M12
1.75 (0.068)
31.4 - 43.1 (3.2 - 4.4, 23.1 - 31.8)
84.3 - 113.8 (8.6 - 11.6, 62.2 - 83.9)
123.6 - 167.7 (12.6 - 17.1, 91.1 - 123.7)
M14
2 (0.078)
51.0 - 68.6 (5.2 - 7.0, 37.6 - 50.6)
135.3 - 182.4 (13.8 - 18.6, 99.8 - 134.5)
198.1 - 268.7 (20.2 - 27.4, 146.1 - 198.2)
M16
2 (0.078)
79.4 - 107.9 (8.1 - 11.0, 58.6 - 79.6)
212.8 - 288.3 (21.7 - 29.4, 157.0 - 212.7)
311.8 - 421.7 (31.8 - 43.0, 230.0 - 311.0)

Flange Bolt/ Nut Thin screw
Torque Nm (kg.m, Ib-ft)

Nominal diameter.
(mm)
Pitch [mm (in.) ]
4T
8T
10T

M5
0.5 (0.019)
2.9 - 2.9 (0.3 - 0.3, 2.2 - 2.2)
6.9 - 8.8 (0.7 - 0.9, 5.1 - 6.5)
9.8 - 13.7 (1.0 - 1.4, 7.2 - 10.1)
M6
0.75 (0.029)
3.9 - 5.9 (0.4 - 0.6, 2.9 - 4.3)
10.8 - 14.7 (1.1 - 1.5, 8.0 - 10.8)
16.7 - 21.6 (1.7 - 2.2, 12.3 - 15.9)
M8
1 (0.039)
9.8 - 12.7 (1.0 - 1.3, 7.2 - 9.4)
26.5 - 35.3 (2.7 - 3.6, 19.5 - 26.0)
38.2 - 52.0 (3.9 - 5.3, 28.2 - 38.3)
M10
1.25 (0.049)
19.6 - 25.5 (2.0 - 2.6, 14.5 - 18.8)
51.0 - 68.6 (5.2 - 7.0, 37.6 - 50.6)
75.5 - 102.0 (7.7 - 10.4, 55.7 - 75.2)
M12
1.25 (0.049)
35.3 - 48.1 (3.6 - 4.9, 26.0 - 35.4)
94.1 - 126.5 (9.6 - 12.9, 69.4 - 93.3)
138.3 - 186.3 (14.1 - 19.0, 102.0 - 137.4)
M14
1.5 (0.059)
55.9 - 75.5 (5.7 - 7.7, 41.2 - 55.7)
148.1 - 200.1 (15.1 - 20.4, 109.2 - 147.6)
216.7 - 293.2 (22.1 - 29.9, 159.8 - 216.3)
M16
1.5 (0.059)
86.3 - 116.7 (8.8 - 11.9, 63.7 - 86.1)
229.5 - 309.9 (23.4 - 31.6, 169.3 - 228.6)
336.4 - 455.0 (34.3 - 46.4, 248.1 - 335.6)

   
1)
The torques shown in the table are standard values under the following conditions.
Nuts and bolts are made of galvanized steel bar.
Galvanized plain steel washers are inserted.
All nuts, bolts and plain washers are dry.
2)
The torques shown in the table are not applicable.
When spring washers, toothed washers and the like are inserted.
If plastic parts are fastened.
If self-tapping screws or self-locking nuts are used.
If threads and surfaces are coated with oil.

    General Tightening Torque Table

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    Basic Service Symbols

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