34 00 ... Parking Brake (EMF) - Additional Brake Bleeding Procedure

34 00 ... - EMF - additional brake bleeding procedure





Note:
This bleeding procedure serves to eliminate residual air in the brake system.
Under certain circumstances it may not be possible to remove the entire residual air from the EMF brake calipers by means of the normal bleeding procedure.
In these cases, the following procedure applies.





Connect brake fluid changer to expansion tank and switch on.

Note:
Check relevant Operating Instructions for each device.
Charging pressure should not exceed 2 bar.





Close bleeder valve.
Flush brake caliper in installation position.
Close bleed valve.





Unscrew guide bolts (1).
If necessary, grip at hexagon head (2).
Remove brake caliper (3).

Installation Note:
Replace guide screws.
Tightening torque 34 21 4AZ 34 21 Rear Brake.





Disconnect plug connection on EMF actuator and disengage cable from cable tie.
Turn brake caliper so that EMF actuator points downwards.
Open bleed valve and flush brake caliper.
Close bleed valve.





Turn brake caliper so that EMF actuator points upwards.
Open bleed valve and flush brake caliper.
Close bleed valve.
Reinstall brake caliper in installation position and flush again.





Switch off brake fluid changer and remove from expansion tank.
Check brake fluid level. If necessary, top up/draw off to max. level.
Close expansion tank.

Note:
Pay attention to rubber seal (1) in sealing cap.