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Home >> Audi >> 2024 >> S3 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 247 (Brake System (Hydraulic Components)) >> 47 Hydraulic Components >> Brake Booster/Brake Master Cylinder >> Brake Master Cylinder, Removing And Installing >> Installing

Brake Master Cylinder, Removing And Installing: Installing

WARNING: This page is about a different car, the 2024 Audi A4 allroad. However, it is still accessible from the selected car via links, so may be relevant.

Install in the reverse order of removal while noting the following:

-- When inserting the brake master cylinder -1-, make sure that the pressure rod -3- is seated correctly in the brake booster -2-.

GWWA47-10256Courtesy of AUDI OF AMERICA, LLC

-- If necessary, have a second technician press the brake pedal slightly. This allows the brake master cylinder to be guided into pressure rod more easily.

-- Install the tower brace. Refer to TOWER BRACE, REMOVING AND INSTALLING .

-- Install the plenum chamber bulkhead. Refer to PLENUM CHAMBER BULKHEAD, REMOVING AND INSTALLING .

-- Install the brake fluid reservoir. Refer to BRAKE FLUID RESERVOIR, REMOVING AND INSTALLING .

-- Fill the brake fluid reservoir up to the "MIN" mark.

Fig 1: Brake Fluid Reservoir
GWWA47-10258Courtesy of AUDI OF AMERICA, LLC

-- Remove all cloths from the vehicle that were previously placed down.

-- Bleed the brake system. Refer to HYDRAULIC SYSTEM, BLEEDING .

CAUTION:

Faulty brakes increase the risk of an accident.

- Make sure the brakes are working correctly before driving the vehicle for the first time.