ABS Hydraulic Unit -N55- / ABS Control Module -J104- OVERVIEW

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Fig 1: ABS Hydraulic Unit With ABS Control Module Assembly Overview

Courtesy of AUDI OF AMERICA, LLC

1 -
ABS Hydraulic Unit -- with ABS Control Module --
- Component location: in the left of the engine compartment.
- Removing and Installing, refer to ABS Hydraulic Unit -N55- WITH ABS Control Module -J104- .
- The hydraulic control unit is comprised of the ABS hydraulic unit -- with integrated brake pressure sensor 1 -- and the ABS control module --.
- The components must not be separated from each other.
- Do not disconnect the connector before successfully completing OBD.
- Switch the ignition off before disconnecting the connector.
- The brake pressure sensor 1 -- is integrated into the ABS hydraulic unit -- and cannot be replaced.
  CAUTION:
  The ABS Hydraulic Unit -- and ABS control module -- must not be separated from each other.
2 -
ESP Bracket
- The bracket cannot be removed.
3 -
ABS Control Module -- Electrical Connector
4 -
Brake Line
- 14 Nm
- To the brake master cylinder.
5 -
Brake Line
- 14 Nm
- To the brake master cylinder.
6 -
Brake Lines
- 14 Nm
- Hydraulic unit to right front brake caliper.
- 14 Nm
- Hydraulic unit to front left brake caliper.
- 14 Nm
- Hydraulic control unit to rear left brake caliper.
- 14 Nm
- Hydraulic control unit to rear right brake caliper.