LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Audi >> 2019 >> A4 Premium Plus >> Repair and Diagnosis (Single Page) >> Brakes >> Brakes Control Systems >> Antilock Brake System [CYMC, DFVA, CWGD, DBPA, DECA] >> 45 Antilock Brake System >> Control Module And Hydraulic Unit >> Control Module, Separating From Hydraulic Unit >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Control Module, Separating From Hydraulic Unit: Procedure

-- Remove the hydraulic control unit. Refer to ABS Control Module -J104- /ABS Hydraulic Unit -N55-, REMOVING AND INSTALLING .

CAUTION:

There is a risk of destroying the hydraulic unit.

  • Touch a grounded object (ESD Work Surface:VAS6613  before disconnecting the components.
  • Do not touch the connector terminals or electronic components directly.

-- Place the hydraulic unit with the control module on the ESD Work Surface:VAS6613  .

-- Remove the bolts -1- and dispose of them.

-- Carefully remove the control module vertically upward without tilting.

-- Cover the open hydraulic unit with a lint-free cloth.

-- Check the hydraulic unit sealing surface, and if necessary, clean with mineral spirits and a lint-free cloth.

-- A damaged sealing surface must not be mechanically reworked. A hydraulic unit with a damaged sealing surface must be replaced.

CAUTION:

There is a risk of destroying the hydraulic unit.

  • The seal must not be pulled out or raised up. The seal cannot be replaced.