Audi Workshop Service and Repair Manuals > A5 > Brake system | Brakes, hydraulics, regulator, servo | Bleeding brake system | Bleeding sequence for vehicles with Electronic Stabilisation Program (ESP)

Bleeding sequence for vehicles with Electronic Stabilisation Program (ESP)

Note

t	A pressure of at least 2 bar is required to bleed the hydraulic unit -N55-. For this reason it is important to always check the pressure setting on the bleeder unit.

t	Only use the brake pedal actuator when installing brake system components, and bleed the system afterwards.

Special tools and workshop equipment required

t	-VAS 5234- Brake filling and bleeding equipment

t	-VAS 5234/1- Adapter

Bleeding brake system with brake filling and bleeding equipment VAS 5234 and adapter VAS 5234/1

Please follow operating instructions for -VAS 5234-.

–	Remove plenum chamber cover → Rep. gr.50.

–	Raise the vehicle.

–	Connect -VAS 5234- with adapter -VAS 5234/1-.

–	Open bleeder screws in the specified sequence and bleed brake system (assist as required with pedal pressure).

Bleeding sequence

1 -	Front left-side brake caliper

2 -	Front right-side brake caliper

3 -	Rear left-side brake caliper

4 -	Rear right-side brake caliper

–	Keep bleeding the calipers until clear, foam-free brake fluid emerges.

–	Close bleeder screws.

–	Lower vehicle.

–	Install plenum chamber cover → Rep. gr.50.

Audi Workshop Service and Repair Manuals