Control Module, Installing On Hydraulic Unit

WARNING: This page is about a different car, the 2023 Audi S3, 2023 Audi RS 3, 2023 Audi A3 Quattro, and 2023 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:V.A.G 1624

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ESD Work Surface:VAS 6613

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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 Electro-Static Discharge Work Surface:VAS 6613 .

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

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-- Push together the hydraulic unit with the loosened control module all around and position with the control module downward on the ESD Work Surface:VAS 6613 .

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

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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 .

Tightening Specifications

Refer to OVERVIEW - CONTROL MODULE AND HYDRAULIC UNIT