The bolt connecting the belt pulley to the coolant pump (Part no. N 910105006007) with strength 8.8 has been replaced
by the bolt connecting the belt pulley to the coolant pump (Part no. N 000000004310) with strength 10.9.
The tightening torque of the bolt connecting the belt pulley to the coolant pump (Part no. N 000000004310) with
strength 10.9 is increased to 13 Nm.
It only now allowed to use the new bolt, belt pulley to coolant pump (Part No. N 000000004310) with a strength of 10.9!