2015 Audi S6FACTORY OEM SERVICE PROCEDURE

ABS Control Module -J104-, Replacing: Removing

Remove the ABS Hydraulic Unit -N55- with ABS Control Module -J104-. Refer to HYDRAULIC UNIT WITH CONTROL MODULE, REMOVING AND INSTALLING .

Remove the ABS Hydraulic Unit -N55- with ABS Control Module -J104-.

CAUTION: Only separate the ABS Control Module -J104- from the ABS Hydraulic Unit -N55- when they are removed.

Hydraulic unit, removing and installing. Refer to HYDRAULIC UNIT WITH CONTROL MODULE, REMOVING AND INSTALLING .

Remove the ABS Hydraulic Unit -N55- with ABS Control Module -J104-.

NOTE: The ESD Work Surface VAS 6613 has sufficient grounding to protect against an electrostatic discharge.

-- Place the hydraulic unit with the control module on the ESD Work Surface VAS 6613.

NOTE:

The control module -2- faces up and the hydraulic unit -4- with the pump motor and connector -3- faces down.

Fig 1: Identifying Hydraulic Unit
GWWA45-10118Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1-.

NOTE:

Throw the old bolts away immediately.

Do not use the old bolts again.

-- Remove the control module upward holding it vertically.

NOTE: Be careful not the hook the valve coils when removing them otherwise the valve coils could get stuck on the mount.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.