ABS Control Module -J104- /ABS Hydraulic Unit -N55-, REMOVING AND INSTALLING: Removing
Risk of destroying the brake lines by bending.
- 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.
-- Disconnect the battery. Refer to BATTERY, DISCONNECTING AND CONNECTING .
-- If equipped, remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .
-- If equipped, remove the heat shield -1-.
-- To do so, unclip the heat shield -1- from the bracket -2- -arrow-.
-- Unclip the wiring guide.
-- Slide the locking mechanism downward in the -direction of arrow A-.
-- Release the locking mechanism in the -direction of arrow B-.
-- Remove the connector -1-.
-- Insert the Brake Pedal Actuator: V. A. G 1869/2 .
-- 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 using the Brake Pedal Actuator: V. A. G 1869/2 .
-- Close the left front and left rear bleeder valves.
-- Do not remove the Brake Pedal Actuator: V. A. G 1869/2 .
Make sure no brake fluid gets on the contacts.
-- Remove the cover from the bulkhead and unclip the brake lines.
-- First label both brake lines -5- and -6-.
-- Remove the brake lines -5- and -6- from the ABS Hydraulic Unit -N55-.
-- Immediately seal the brake lines and open connections using Sealing Plugs from Repair Kit: 1H0 698 311 A or using suitable plugs from the Engine Bung Set: VAS 6122 .
-- Label the remaining brake lines (brake calipers) -arrows- and remove.
-- Immediately seal the brake lines and open connections using Sealing Plugs from Repair Kit: 1H0 698 311 A or using suitable plugs from the Engine Bung Set: VAS 6122 .
-- Pull the ABS Control Module -J104- with the ABS Hydraulic Unit -N55- upward from the shock absorbers -arrow-.
-- Remove the bracket in the vehicle from the hydraulic unit -arrows- (only on engines with too little clearance between the cross panel and engine).