This Technical Information
Bulletin replaces TI-C-71, J-143 dated June 1989
Subject: Bolt Connections According to Torque or
Angle; Engines
Vehicles: All
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Engine
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10S,
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12ST,
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13NB, C13N,
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16N,
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S18NV, 18SE, 18SV,
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20N, 20E,
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20XE,
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C30SE
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12NC,
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13N,
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13SB, 14NV,
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16SH,
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18SEH, E18NV, 18NV,
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22E, C24NE,
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20XEJ,
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12SC,
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13S,
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E14LV, C14NZ,
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18E,
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E18NVR, C18NZ,
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25E, 25NE,
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C20XE
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Bolt
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E12GV
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13SC
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16SV, C16LZ,
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C18NT,
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20NE, 20SE, C20NE,
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30E, C30LE,
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connection
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C16NZ, E16NZ,
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C18NE
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C20NEF, 20SER,
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30NE, C30NE
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E16SE
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C18NV
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20SEH
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Cylinder head to
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25 Nm
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25 Nm
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25 Nm
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60 Nm
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25 Nm 5)*
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60 Nm
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cylinder block
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+180° 1)
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+150° 2)*
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+180° 3)*
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+90° 4)*
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+90° 6)*
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Cover to
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28 Nm
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7)
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45 Nm
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35 Nm *
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45 Nm
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35 Nm *
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45 Nm
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connecting rod
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+45 to 60°
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+45 to 60°
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Engine
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10S,
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12ST,
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13NB, C13N,
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16N,
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S18NV, 18SE, 18SV,
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20N, 20E,
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20XE,
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C30SE
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12NC,
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13N,
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13SB, 14NV,
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16SH,
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18SEH, E18NV, 18NV,
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22E, C24NE,
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20XEJ,
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12SC,
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13S,
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E14LV, C14NZ,
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18E,
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E18NVR, C18NZ,
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25E, 25NE,
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C20XE
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Bolt
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E12GV
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13SC
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16SV, C16LZ,
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C18NT,
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20NE, 20SE, C20NE,
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30E, C30LE,
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connection
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C16NZ, E16NZ,
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C18NE
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C20NEF, 20SER,
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30NE, C30NE
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E16SE
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C18NV
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20SEH
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Bearing cover to
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62 Nm
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50 Nm *
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50 Nm *
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50 Nm *
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110 Nm
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50 Nm *
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110 Nm
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cylinder block
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+45 to 60°
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+45-60°
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+40 to 50°
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+40 to 50
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Flywheel to
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30 Nm *
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60 Nm
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35 Nm *
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50 Nm
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65 Nm *
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60 Nm
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65 Nm *
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55 Nm *
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crankshaft
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+60 to 80
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8)
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+30 to 45°
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+25-35°
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+30 to 45°
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8)
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+30 to 45°
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+30 - 45°
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Drive disc
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30 Nm *
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60 Nm
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9)
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60 Nm
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- - - - -
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- - - - -
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to crankshaft
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50 to 90°
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16)
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8)
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Spark plug
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20 Nm
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Pulley to
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crankshaft or to
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40 Nm
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10)
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20 Nm
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25 Nm
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120 Nm
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- - - - -
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- - - - -
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gear/toothed belt
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Vibration damper
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- - - - -
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20 Nm
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220 Nm
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20 Nm
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25 Nm
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to crankshaft
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Gear/toothed belt
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- - - - -
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130 Nm *
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- - - - -
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250 Nm *
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200 Nm *
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to crankshaft
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+40 to 50°
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+40 - 50°
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+50 - 65°
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11)
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Gear to
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40 Nm
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45 Nm
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25 Nm *
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50 Nm *
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90 Nm *
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camshaft
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+40 - 50°
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+60 - 90°
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Engine
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15D
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15D
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17DT
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16D
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23YD
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23YDT
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15DT
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15DT
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16DA
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23DT
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23TD
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Bolt
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15DTR
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17D
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23DTR
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connection
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up to MY 89
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as of MY 89
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Cylinder head to
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30 Nm *
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40 Nm *
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25 Nm +180° 1)*
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100 Nm +135° *
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cylinder block
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+60 to 75°
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+60 to 75°
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after warm-up
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after test run, turn
a furthe
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+60 to 75°
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+60 to 75°
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+45°
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+30° +30°
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+30°
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Cover to
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25 Nm *
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25 Nm
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35 Nm +45° *
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45 Nm +45°*
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connecting rod
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+45 to 60°
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+100 to 115°
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(min. 55 Nm)
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Bearing cover to
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84 to 93 Nm
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50 Nm +45° *
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50 Nm *
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cylinder block
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(min. 65 Nm)
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+45 to 60°
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(min. 65 Nm)
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Flywheel to
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30 Nm *
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30 Nm *
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50 Nm +30° *
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crankshaft
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+45 to 60°
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+45 to 60°
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(min. 55 Nm)
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60 Nm
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80 Nm *
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12)
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+25 to 30 °
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Drive disc
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- - - - -
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60 Nm
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to crankshaft
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Engine
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15D
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15D
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17DT
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16D
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23YD
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23YDT
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15DT
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15DT
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16DA
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23DT
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23TD
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Bolt
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15DTR
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17D
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23DTR
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connection
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up to MY 89
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as of MY 89
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Turbocharger to
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22 to 31 Nm
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- - - - -
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45 Nm *
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outlet manifold
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+30 to 45°
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Glow plug or
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20 Nm
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spark plug
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Pulley to
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crankshaft or to
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20 Nm
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- - - - -
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gear/toothed belt
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Vibration damper
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- - - - -
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150 Nm
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220 Nm
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to crankshaft
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Gear/toothed belt
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133 to 161 Nm
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130 Nm *
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- - - - -
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to crankshaft
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+45°
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Gear to
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8 to 11 Nm
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75 Nm *
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140 to 170 Nm
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camshaft
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+ 60°
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The partially changed values
in these tables are being gradually inserted into the Technical Data sections
of the Service Instructions.
Legend:
* Always use new bolts.
1) Tighten in four stages - 25 Nm +60° +60° +60°. On 16D and 16DA, turn a
further +45° after 1,000 km/600 miles.
2) Tighten in four stages - 25 Nm +60° +60° +30°. After test run, turn a further
30°.
3) Tighten in four stages - 25 Nm +60° +60° +60°. After test run, turn a further
30°.
4) After test run, turn a further 30 to 40°.
5) Tighten in four stages - 25 Nm +65° +65° +65°. After test run, turn a further
30 to 45°.
6) After 10 minutes, turn a further 30 to 40°
7) Bolt (thread length 15 mm)
Parts
No.: 02 865 514 / Catalogue No.: 6 22 412,
tighten
to 28 Nm.
Bolt
(thread length 40 mm)
Parts
No.: 90 281 728 / Catalogue No.: 6 22 431,
tighten
to 25 Nm +30°. ·
8) Bolt must be re-cut before reusing and screwed
in coated with Locking Compound according to note 12.
9) Transversely mounted engines, 60 Nm.
Longitudinally
mounted engines, 65 Nm +30 to 45°. *
10) Bolt (thread length 23 mm)
Parts
No.: 11 073 353 / Catalogue No.: 20 00 560,
tighten
to 55 Nm.
Bolt
(thread length 30 mm)
Parts
No.: 90 299 605 / Catalogue No.: 6 14 938,
tighten
to 55 Nm +45 to 60°. ·
11) Insert bolt with grease.
12) Screw in bolt coated with Locking Compound Parts
No.: 90 167 347 / Catalogue No.: 15 10 177.
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