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Control Module, Removing From Hydraulic Unit

-- Set hydraulic unit with control module upward onto a clean, level surface.

-- Remove inner Torx® bolts -arrows-.

Fig 1: Locating Control Module Torx Bolts
GWWN45-10043Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Pull control module off from hydraulic unit -arrow- without angling.

Fig 2: Identifying Control Module Pulled Off From Hydraulic Unit Without Angling
GWWN45-10044Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Carefully pull off all sealing rings from valve domes of hydraulic unit.

WARNING:
  • On a disconnected control module, circuit board is laid open.
  • No moisture or particles of dirt must penetrate in interior of control module.
  • The hydraulic pump must not be separated from the hydraulic unit.
  • Avoid build-up of static electricity!

-- Cover control module magnetic coils with a lint free cloth.

After separating the control module and hydraulic unit, use transport protection for valve body.