Abs Control Module And Abs Hydraulic Unit, Removing And Installing: Removing
Component Location:
The control module is bolted to the hydraulic unit and is located at right in the engine compartment.
- Never forcefully bend the brake lines in the hydraulic unit area.
-- Read and note the present control module code.
-- On vehicles with a coded radio, note the code. Retrieve it if necessary.
-- Observe the safety precautions when working on the high-voltage system. Refer to SAFETY PRECAUTIONS WHEN WORKING ON THE HIGH-VOLTAGE SYSTEM .
-- Disconnect the battery. Refer to Battery, Disconnecting and Connecting .
-- Remove the High-Voltage Heater (PTC) -Z115- -1- and set aside. Refer to Coolant Circuit .
-- For vehicles with a heat shield, remove the heat shield.
-- Press the locking mechanism downward in direction of -arrow A-.
-- Release the connector in direction of -arrow B-.
-- Remove the connector -1-.
-- Insert the :VAG1869/2 .
-- Attach the bleeder bottle bleed hose -1- to the left front brake caliper breather valve.
-- Open the breather valve.
-- Attach the bleeder bottle bleed hose -1- to the left rear brake caliper breather valve.
-- Open the breather valve.
-- Push the brake pedal at least 60 mm (2.36 in.) using the :VAG1869/2 .
-- Close the left front and left rear bleeder valves.
-- Do not remove the :VAG1869/2 .
Make sure no brake fluid gets on the contacts.
-- Remove the cover from the bulkhead and unclip the brake lines.
-- First, mark both brake lines from the brake master cylinder and remove from the hydraulic unit.
-- Seal the threaded hole immediately with the Plugs:5Q0 698 311 .
-- Mark the remaining brake lines (brake calipers), remove them and seal off the threaded holes.
-- Pull the hydraulic unit with the control module upward out of the shock absorbers in direction of -arrow-.