Brake Master Cylinder, Removing And Installing, With Vacuum Brake Master Cylinder: Installing
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2022 Audi SQ5, 2022 Audi Q5 e, 2022 Audi Q5, 2021 Audi SQ5, and 2021 Audi Q5 e. However, it is still accessible from the selected car via links, so may be relevant.
Install in reverse order of removal and note the following:
- Replace the seal after removal.
- Do not let any brake fluid run into the brake booster.
- The actuator pin OVERVIEW - BRAKE BOOSTER/BRAKE MASTER CYLINDER, VACUUM BRAKE BOOSTER => List Item: Actuator Pin for the brake lamp switch must be inserted in the brake master cylinder.
-- When inserting the brake master cylinder -1-, make sure that the pressure rod -3- is seated correctly in the brake booster -2-.
-- If necessary, have a second technician press the brake pedal downward slightly. This allows the brake master cylinder to be guided into the pushrod more easily.
-- Install the brake fluid reservoir. Refer to BRAKE FLUID RESERVOIR, REMOVING AND INSTALLING .
-- Remove the plenum chamber bulkhead. Refer to PLENUM CHAMBER BULKHEAD, REMOVING AND INSTALLING .
-- Fill the brake fluid reservoir up to the "MIN" mark.
-- Remove all cloths from the vehicle that were previously placed down.
-- Bleed the brake system.