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ABS Control Module -J104- WITH ABS Hydraulic Unit -N55-, REMOVING AND INSTALLING: Notes

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NOTE:

The hydraulic unit must not idle, otherwise this can lead to problems when bleeding the brake system.

A new hydraulic unit is prefilled for the service with the brake fluid.

All openings of the hydraulic unit must be closed when installing.

NOTE:

If the ABS Control Module -J104- /ABS Hydraulic Unit -N55- is being replaced, select the "Replace" function for the ABS Control Module -J104- /ABS Hydraulic Unit -N55- in "Guided Functions" on the Vehicle Diagnostic Tester.

The ABS Hydraulic Unit -N55- and the ABS Control Module -J104- are located in the front of the engine compartment.

Fig 1: ABS Hydraulic Unit -N55- With ABS Control Module -J104-
GWWA45-10114Courtesy of AUDI OF AMERICA, LLC

Special tools and workshop equipment required 

  1. Transportation protection for valve body (foam)
  2. M10 plugs
  3. M12 Plugs