Skoda Workshop Service and Repair Manuals

Removing and installing the brake servo unit - LHD vehicles Special tools and workshop equipment required t  Hose clamp -MP 7-602- t  Brake pedal load, e.g. -V.A.G 1238 B- or -V.A.G 1869/2- t  Vehicle system tester -V.A.G 1552- t  Diagnostic cable -V.A.G 1551/3, 3A, 3B oder 3C- t  Release tool -T 10159 A- t  Extraction bottle (commercially available) t  Repair kit -1 HO 698 311 A- t  Brake fluid → Chapter   Note t  Before disconnecting the battery determine the code of the radio sets fitted with anti-theft coding. t  After connecting the battery check the vehicle equipment: –  on vehicles with radio encoding, carry out the coding, –  set clock, –  initialise power windows on vehicles fitted with power windows → BookletOctavia Removing –  Disconnect battery.

–  Disconnect the plug -1- of the air mass meter from the air guide pipe of the air filter. –  Unscrew screws -2- at the air filter -3- and lay it aside. –  Remove the relay carrier above the brake servo unit on diesel engines. –  Lay sufficient non-fluffing cloths around the plenum chamber, the engine and the gearbox. –  Remove hydraulic control unit -1- → Chapter.

–  Disconnect plug -4- from brake fluid level warning contact -F34-. –  Clamp off the running-on line of the clutch master cylinder -5- with hose clamp -MP 7-602-. –  Disconnect the running-on line of the clutch master cylinder -5- from the brake fluid reservoir -3- and tie up. –  Detach the vacuum hose -2- from the brake servo unit.

–  Press the plug connection -1- out of the holder -3-. To do so, press the plug connection -1- in the direction of the bulkhead. 2 -  Brake servo unit –  Disconnect plug connection -1-.

–  Release screws -2-. –  Pull the footwell covering -1- out of the holders. –  Separating the brake pedal from the brake servo unit → Chapter.

–  Unscrew the nuts for brake servo unit -arrows-. The top right nut is not visible in the figure. –  Guide the brake servo unit with master brake cylinder towards the front and remove. Install

–  Install the brake servo unit with the master brake cylinder and tighten the new nuts -arrows-.

–  Clip the brake pedal onto the brake servo unit → Chapter. –  Installing and setting brake light switch vehicles up to MY 1999 → Chapter, vehicles as of MY 2000 → Chapter. Further installation occurs in reverse order. –  Fill up with new brake fluid → Chapter. –  Connect battery → Electrical System; Rep. gr.27. –  Bleeding Brake System → Chapter. –  Bleed clutch system (manual gearbox) → Manual Gearbox; Rep. gr.30. –  Initiate basic setting → Chapter. –  Interrogate the fault memory → Chapter. –  Erasing fault memory → Chapter.

Tightening torque:

Brake servo unit to foot controls

28 Nm