Removing and Installing/Replacing Friction Gear

11 28 035 - Removing and installing/replacing friction gear (N12)





Special tools required:
- 11 9 581
- 11 9 583





Necessary preliminary tasks:
- Remove right wheel arch cover Service and Repair





Pull out friction gear with mechanical release (3) in direction of arrow and lock on locking hook.
Friction gear (1) lifts mechanically off belt drive.
Disconnect plug connection (2) on friction gear.

Note:
Picture shows friction gear removed.





Move friction gear (2) into service position at max. 50 N.
To secure friction gear in servicing position, suspend pull cable (1) on housing (2).





Secure belt pulley of coolant pump with an oil filter band (1).
Release bolts (2) with special tools 11 9 581 and 11 9 583.
Tightening torque: 11 51 2AZ. [1][2]11 51 Water Pump and Drive





Release bolts (1) with special tools 11 9 583 and 11 9 581.





Remove friction gear (1) towards bottom.
Disconnect plug connection (2).





Installation:
Bolt down friction gear in sequence 1 to 3.
Tightening torque: 9 Nm.





Installation:
Slowly retract pull strap (1) in direction of arrow.
Plastic ring (2) must engage in friction gear housing.





Assemble engine.

Installation:
Check cable routing for correct installation position - risk of damage.