Control Module, Installing On Hydraulic Unit

WARNING: This page is about a different car, the 2022 Audi S3, 2022 Audi RS 3, 2022 Audi A3 Quattro, and 2022 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Torque Screwdriver: VAG1624
ESD Work Surface: VAS6613
TORX^® T25 Socket

Procedure

Use the complete repair kit when installing.

CAUTION:

Risk of damaging the control module through vibrations.

- Protect the control module from knocks and impacts.

- Never use a control module if it was dropped on the floor.

CAUTION:

There is a risk of destroying the control module through the electrostatic charge and reduced cleanliness.

- Discharge electrostatic charge: touch the electro-static discharge work surface

- Protect the inner control module from moisture and dirt.

Open hydraulic unit position upward on the : VAS6613 .

-- Position the control module -1- without tilting carefully at an angle upward out of the hydraulic unit -2-.

Courtesy of AUDI OF AMERICA, LLC

-- Push together the hydraulic unit with the loosened control module all around and position with the control module downward on the : VAS6613 .

-- Install the new TORX^® bolt -arrows- by hand until the control module touches the hydraulic unit evenly.

Courtesy of AUDI OF AMERICA, LLC

If the bolts for the control module on the hydraulic unit are difficult to install or cannot be tightened to the required 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 function "Replacing" for the ABS Control Module -J104- /ABS Hydraulic Unit -N55- using the Vehicle Diagnostic Tester.

Tightening Specifications

Refer to OVERVIEW - CONTROL MODULE AND HYDRAULIC UNIT