Brake Fluid Reservoir, Removing And Installing: Installing

WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Coat the plugs on the brake fluid reservoir with brake fluid.

-- Insert the brake fluid reservoir into the plugs in the brake master cylinder.

Further installation is performed in reverse order of removal, while noting the following:

NOTE:

The locking pin must go through the brake fluid reservoir tabs.

The locking pin must go through the brake master cylinder.

The locking pin must be tightened -Item 6-

Vehicles with Manual Transmission

-- Slide the return hose -1- to the clutch master cylinder completely onto the brake fluid reservoir connection.

Fig 1: Identifying Supply Hose & Seals

Courtesy of AUDI OF AMERICA, LLC

WARNING:

There is a risk of brake fluid loss. The return hose -1- must sit correctly on the brake fluid reservoir connection.

Continuation for All Vehicles

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

Fig 2: Brake Fluid Reservoir

Courtesy of AUDI OF AMERICA, LLC

NOTE:

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

Vehicles with Manual Transmission

-- Bleed the clutch hydraulics. Refer to the appropriate service information .

Continuation for All Vehicles

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

-- Seal the brake fluid reservoir with the cap: 1.5 ± 0.5 Nm

-- Install the plenum chamber cover. Refer to PLENUM CHAMBER COVER, REMOVING AND INSTALLING .