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Removing and installing brake servo|Installation > < Removing and installing brake servo

Leon Mk1

Removal:
Removal:
–  Note or request radio code on vehicles with coded radio if necessary.
–  Disconnect battery → Electrical system; Rep. gr.27.
–  Remove air filter.
–  Remove battery → Electrical system; Rep. gr.27.
–  Remove battery tray.
–  Place sufficient lint-free cloths in area of engine and gearbox.
–  Draw off as much brake fluid as possible from brake fluid reservoir using brake filling and bleeding equipment -VAS 5234- or extraction unit -V.A.G 1869/4-.
Vehicles with manual gearbox:
   
–  Detach supply hose -B- for clutch master cylinder, lift clear and tie in place, or clamp off supply hose -B- for clutch master cylinder with a commercially available tool, e.g. Hazet 4590, and then pull off.
All vehicles (continued):
–  Disconnect connector -A- from brake fluid level warning contact -F34-.
–  Separate connector -C- from brake light switch -F-.
–  Pull vacuum hose out of brake servo.
–  Identify both brake lines from brake master cylinder to hydraulic unit and then remove.
–  Immediately seal brake lines and threaded holes with seal plugs from repair set Part No. 1H0 698 311 A.
Additional work for vehicles with 1.4 l FSI engine:
–  Open cable duct, take out the two wiring harnesses and place on one side.
–  Remove cable duct from console.
–  Remove control unit and hydraulic unit → Chapter.
Additional work for vehicles with 2.0 l TDI engine:
–  Detach solenoid valve for charge pressure limitation -N75- from front wall and turn to the side.
All vehicles (continued):
–  Remove footwell cover on driver side → General body repairs, interior; Rep. gr.68.
–  Remove cover for fuse holder in bottom left-hand side of dash panel.
–  Remove footwell vent on driver side.
–  Remove crash bar for the brake → Running gear, axles, steering; Rep. gr.48.
–  Separate brake pedal from brake servo → Chapter.
  N47-10095
–  Unscrew nuts -1- from brake servo.
–  Remove both upper nuts -2- from mounting bracket.
–  Carefully remove brake servo from vehicle.
–  Remove nuts for brake master cylinder.
–  Carefully remove brake master cylinder from brake servo.
  N47-10019

Removing and installing brake servo|Installation > < Removing and installing brake servo