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Removing and installing master brake cylinder - Vehicles with right-hand drive > < Hauptbremszylinder

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Removing and installing master brake cylinder - Vehicles with left-hand drive
Removing and installing master brake cylinder - Vehicles with left-hand drive
Special tools and workshop equipment required
t  Repair kit -1H0 698 311 A-
t  Brake filling and bleeding device, e.g. -VAS 5234-.
t  Extraction bottle
Removing:
–  Remove air filter → Relevant Engine; Rep. gr.23 or → Rep. gr.24.
–  If necessary, remove battery and battery tray (vehicles with left-hand drive) → Electrical System; Rep. gr.27.
–  Lay sufficient non-fluffing cloths around the engine and gearbox.
–  Using an extraction bottle extract as much brake fluid as possible from the brake fluid reservoir.
For vehicles with a manual gearbox:
   
–  Detach the return hose -B- of the clutch master cylinder from the brake fluid reservoir and attach it slightly higher.
Continued for all vehicles:
–  Disconnect plug connection -A- from brake fluid level warning contact.
–  Remove the brake fluid reservoir, to this end press the latches at the reservoir outwards and at the same time pull the brake fluid reservoir out of the sealing plugs.
–  Disconnect plug -C- from the brake light switch -F-.
  S47-0120
–  Unscrew the brake lines -1- at the master brake cylinder, close the brake lines with the screw plugs from the repair kit -1H0 698 311 A-.
–  Release the nuts -2- of the master brake cylinder.
–  If present, remove the protection plate.
–  Carefully take the master brake cylinder out of the brake servo unit.
Installing:
–  Installation is carried out in the reverse order.
When installing, pay particular attention to the following points:
  Note
If the battery earth strap is disconnected and connected, carry out certain additional operations → Electrical System; Rep. gr.27.
–  When installing the master brake cylinder with the brake servo unit pay attention to the correct positioning of the pressure rod in the master brake cylinder.
–  Bleeding brake system → Chapter.
–  Bleed clutch → Gearbox; Rep. gr.30.
  S47-0091
Tightening torques:
Master brake cylinder to brake servo unit (left-hand drive)
t  Use new nuts!
25 Nm
Brake lines to master brake cylinder14 Nm

   

Removing and installing master brake cylinder - Vehicles with right-hand drive > < Hauptbremszylinder