Hyundai Ioniq: General Tightening Torque Table / General information

Hyundai Ioniq (AE) 2017-2025 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
Nominal diameter. (mm)
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
Nominal diameter. (mm)
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
Nominal diameter. (mm)
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
Nominal diameter. (mm)
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

Basic Service Symbols

Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: Rear Disc Brake. Components and components location

Components[EPB None Apply]1. Brake pad2. Pad return spring3. Caliper carrier4. Pad retainer5. Caliper body6. Bleed screw7. Stopper8. Return spring9. Operating lever[EPB Apply]1. EPB Actuator2. Bleed screw3. Caliper body4. Caliper carrier5. Pad retainer6...

Hyundai Ioniq (AE) 2017-2025 Service Manual: High voltage shut-off procedures

High Voltage Shut-off Procedures • Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries...