Brake Lamp Switch -F-, Removing and Installing

Removing

• On vehicles with a coded radio, note the code and if necessary retrieve it.
• Disconnect the battery.
• Remove the intake hose, air filter housing and battery.
• Remove the battery carrier.
• Disconnect the connector -1- from Brake Light Switch -F-.
• Remove the bolt -2- from the brake master cylinder.
• Pull the Brake Light Switch -F--3- upward and off from the brake master cylinder and remove it from the retaining tab at the bottom.

Installing

• Install in reverse order of removal.

Tightening specification

TORX bolt to master brake cylinder 8 N·m

Brake Master Cylinder, Removing and Installing

Removing and Installing

Special tools and workshop equipment required

• Brake Charger/Bleeder Unit -VAS5234-
• Torque Wrench 1331 5-50Nm -VAG1331-

Removing

• On vehicles with a coded radio, note the code and if necessary retrieve it.
• Disconnect the battery.
• Remove the entire air filter housing.
• Remove battery and the battery carrier.
• Place enough lint-free cloths near the engine and transmission.

• Extract as much brake fluid as possible from the brake fluid reservoir using the Brake Charger/Bleeder Unit -VAS5234-.

For Vehicles with Manual Transmission

• Disconnect the clutch master cylinder return hose -B- and secure it out of the way or clamp it off with a commercially available tool such as the Hazet 4590 and then remove it.

Continuation for All Vehicles

• Remove the connector -A- from the Brake Fluid Level Warning Switch -F34-.
• Remove the connector -C- from the Brake Lamp Switch -F-.

• Remove the brake fluid reservoir, press the engagement straps toward outside at the container and simultaneously pull the brake fluid reservoir out of the sealing plugs.
• Disconnect the brake lines -1- at the brake master cylinder and seal the lines with sealing plugs from the Repair Kit -1H0 698 311 A-.
• Remove the nuts -2- from master brake cylinder.
• If present, remove the heat shield.
• Carefully take the brake master cylinder out of the brake booster.
• Remove the Brake Lamp Switch -F- from the brake master cylinder.

Installing

• Install in reverse order of removal.

Note the following points when installing:

• When assembling the brake master cylinder with the brake booster, make sure that the push rod is correctly seated in the brake master cylinder.
• Bleed the brake system.
• Vehicles with a manual transmission: bleed the clutch system.

Tightening Specifications

Brake master cylinder to brake booster 25 N·m

• Use new nuts!

Brake lamp switch to brake master cylinder 8 N·m

Brake lines to brake master cylinder 14 N·m