FixVault

Control Module, Installing On Hydraulic Unit: Procedure: Notes

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2020 Audi S4, 2020 Audi A4 allroad, 2020 Audi A4 Quattro, 2020 Audi A4, and 2019 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

-- Place the control module -2- carefully from above on the hydraulic unit without tilting.

-- Install the new bolts -1- by hand until the control module touches the hydraulic unit evenly.

If the bolts for the control module on the hydraulic unit are difficult to install or cannot be tightened to the tightening specification, then the hydraulic unit must be replaced.

-- Tighten the bolts in two stages in a diagonal sequence.

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

-- After installing the hydraulic control unit and bleeding the brake system, select the "Replace" function for the ABS Control Module -J104- /ABS Hydraulic Unit -N55- using the Vehicle Diagnostic Tester, Guided Functions  .