Abs Control Module And Abs Hydraulic Unit, Removing And Installing, LHD, Diesel Engine: Removing

Component Location:

The control module is bolted to the hydraulic unit -1- and is located in the engine compartment on the right side.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

CAUTION:

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 .

-- Remove the engine cover.

-- Open the heat shield boot -1-.

Fig 1: Identifying Heat Shield Boot And Connectors

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Disconnect the connectors.

-- Unclip the connector -5- from the bracket.

-- Remove the bolt -2- and then move the bracket for the differential pressure sensor to the side.

-- Loosen the Exhaust Gas Temperature Sensor 3 -G495- -1- and turn it to the side.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the noise insulation. Refer to OVERVIEW - NOISE INSULATION .

-- Loosen the bolt -2- and remove the clamp.

Fig 2: Identifying Bolts

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the bolts -1, 2 and 3- and remove the pendulum support.

Fig 3: Identifying Bolts

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

For vehicles with all-wheel drive

-- Remove the front tunnel heat shield.

-- Remove the driveshaft on the front bevel box and then move it to the side. Refer to OVERVIEW - DRIVESHAFT / DRIVESHAFT, REMOVING AND INSTALLING .

Continuation for All Vehicles

-- Position the Engine Support:T10533 as shown and tighten the bolts hand-tight.

Bolt -3- = pendulum support original bolt
Install a M8 x 30 mm bolt -1- with a washer -2- in the threaded hole of the noise insulation.
-A- flat side
-B- high side

NOTE:

Additionally on AWD vehicles, insert a longer bolt in the front hole in the aluminum part of the pendulum support as a spacer between the transmission and engine support.

-- Push the engine with a hand slightly forward to position the second bolt.

-- Push the engine with the Engine Support:T10533 forward.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- For vehicles with a heat shield, remove the heat shield -1-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Unclip the wiring guide.

-- Press the locking mechanism downward -arrow A-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Release the connector -arrow B-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the connector -1-.

-- Insert the Brake Pedal Actuator:VAG1869/2 .

Fig 4: Identifying Brake Pedal Depressor V.A.G 1869/2

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Attach the bleeder bottle bleed hose -1- to the left front brake caliper breather valve.

Fig 5: Identifying Bleed Valve

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Open the breather valve.

-- Attach the bleeder bottle bleed hose -1- to the left rear brake caliper breather valve.

Fig 6: Identifying V.A.G 1869/2

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Open the breather valve.

-- Push the brake pedal at least 60 mm using the Brake Pedal Actuator:VAG1869/2 .

-- Close the left front and left rear bleeder valves.

-- Do not remove the Brake Pedal Actuator:VAG1869/2 .

-- Place enough lint-free cloths under the control module and hydraulic unit.

NOTE:

Make sure that no brake fluid gets into the contacts.

-- Unclip the brake lines from the brake lines as far as possible.

-- First, mark both brake lines from the brake master cylinder and remove from the hydraulic unit.

-- Immediately seal the threaded holes with the plugs from the assembly repair kit 5Q0 698 311.

-- Mark the remaining brake lines (brake calipers), remove them and seal off the threaded holes.

-- Place the dust caps for the bleeder valves on the brake lines.

-- Pull the hydraulic unit with the control module upward out of the shock absorbers -arrow-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the bracket in the vehicle from the hydraulic unit -arrows-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Guide out the hydraulic unit upward out of the vehicle.