Kia Optima Manuals

Kia Optima: Tightening Torque Table Of Standard Parts - General Information - Kia Optima TF 2011-2026 Service ManualKia Optima: Tightening Torque Table Of Standard Parts

Bolt nominal diameter (mm)
 Pitch (mm)
 Torque Nm (kg.cm, lb.ft)
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 ...

See also:

Checking the Automatic Transaxle Fluid Level
The automatic transaxle fluid level should be checked regularly. The volume of the transaxle fluid changes with temperature. Although it is best to check the level after having driven the vehicle ...

Sunshade
The sunshade can be opened with the glass panel automatically when the glass panel is slid. But it must be closed manually. ...

Installation
Refer to "High Pressure Fuel Pump" in this group. ...

Categories

Kia Optima Manuals

Copyright www.kiopman.com 2026