Control Module, Separating From Hydraulic Unit

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Special tools and workshop equipment required

ESD Work Surface: VAS6613
TORX^® insert T25

The ABS Hydraulic Unit -N55- with the ABS Control Module -J104- must be removed in order to separate the control module and the hydraulic unit.
The return flow pump may not be removed from the ABS Hydraulic Unit -N55-.

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 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.

-- Position the hydraulic unit with the control module from upward on the : VAS6613 .

Courtesy of AUDI OF AMERICA, LLC

-- Remove the three TORX^® bolts -arrows- and dispose of them immediately.

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

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

Courtesy of AUDI OF AMERICA, LLC

Blowing the control module or hydraulic unit out with compressed air is not permitted.
The valve bodies inside the hydraulic unit must not be damaged or bent.

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

-- Cover the open hydraulic unit with 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 damaging the control module through improper handling.

- Do not lift or remove the seal.