Kia Optima: Tightening Torque Table Of Standard Parts

Bolt nominal diameter (mm)	Pitch (mm)	Torque Nm (kg.cm, lb.ft)
Bolt nominal diameter (mm)	Pitch (mm)	Head Mark 4	Head Mark 7

M5	0.8	3 ~ 4 (30 ~ 40, 2.2 ~ 2.9)	5 ~ 6 (50 ~ 60, 3.6 ~ 4.3)
M6	1.0	5 ~ 6 (50 ~ 50, 3.6 ~ 4.3)	9 ~ 11 (90 ~ 110, 6.5 ~ 8.0)
M8	1.25	12 ~ 15 (120 ~ 150, 9 ~ 11)	20 ~ 25 (200 ~ 250, 14.5 ~ 18.0 )
M10	1.25	25 ~ 30 (250 ~ 300, 18 ~ 22)	30 ~ 50 (300 ~ 500, 22 ~ 36)
M12	1.25	35 ~ 45 (350 ~ 450, 25 ~ 33)	60 ~ 80 (600 ~ 800, 43 ~ 58)
M14	1.5	75 ~ 85 (750 ~ 850, 54 ~ 61)	120 ~ 140 (1,200 ~ 1,400, 85 ~ 100)
M16	1.5	110 ~ 130 (1,100 ~ 1,300, 80 ~ 94)	180 ~ 210 (1,800 ~ 2,100, 130 ~ 150)
M18	1.5	160 ~ 180 (1,600 ~ 1,800, 116 ~ 130)	260 ~ 300 (2,600 ~ 3,000, 190 ~ 215)
M20	1.5	220 ~ 250 (2,200 ~ 2,500, 160 ~ 180)	360 ~ 420 (3,600 ~ 4,200, 260 ~ 300)
M22	1.5	290 ~ 330 (2,900 ~ 3,300, 210 ~ 240)	480 ~ 550 (4,800 ~ 5,500, 350 ~ 400)
M24	1.5	360 ~ 420 (3,600 ~ 4,200, 260 ~ 300)	610 ~ 700 (6,100 ~ 7,000, 440 ~ 505)

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.

3.	Reduce the torque values to the indicated percentage of the standard value under the following conditions.

•	If spring washers are used : 85%

•	If threads and bearing surfaces are stained with oil : 85%

Emergency Towing

There are three popular methods of towing a vehicle : - The operator loads the vehicle on the back of truck. This is best way of transporting the vehicle. - The t ...

Meaning Of Symbols

There are five primary symbols used to complement illustrations. These symbols indicate the part to apply such materials during service. Symbol Meaning ...

Kia Optima: Tightening Torque Table Of Standard Parts

Emergency Towing

Meaning Of Symbols

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