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Tightening connecting rod bolts - AR03.10-P-6111-02AW

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TORQUE SPECIFICATION CONNECTING ROD

Number Designation Engine 601, 602 except 602.98, 603 except 603.970 up to 11/90 603.970 up to 8/90 Engine 601, 602 except 602.98, 603 except 603.970 as of 12/90 - 10/92 603.970 as of 9/90 - 10/92 Engine 601, 602 except 602.98, 603 as of 11/92
BA03.10-P-1001-01C Conrod bolt (stretch shank) 1st stage new Nm - 45 40
used Nm - 40 -
2nd stage   ∠ ° - 90 90
Fig. see     - AR03.10-P-6111-01AW  AR03.10-P-6111-01AW 
BA03.10-P-1002-01C Conrod bolt (straight stretch shank) 1st stage   Nm 30 - -
2nd stage   ∠ ° 90 - -
Fig. see     AR03.10-P-6111-01AW     
  1. Moisten bolt thread and bolt head contact surface with engine oil.
  2. TORQUE SPECIFICATION Tighten conrod bolts initially to specified torque.
  3. Tighten conrod bolts with a torquing angle wrench.

IMPORTANT If no torquing angle wrench is available, tighten conrod bolt further by the specified angle using a wrench socket and T arm in a single stroke.

Do not use flexi-torque wrenches when tightening in order to eliminate the risk of angle errors.

Fig 1: Tightening Conrod Bolts
G05438217Courtesy of MERCEDES-BENZ OF NORTH AMERICA.