Rear Axle, Removing And Installing, Fwd Vehicles

WARNING: This page is about a different variant/trim than selected.

Special tools and workshop equipment required

Torque Wrench 1332 40-200Nm: VAG1332

Removing the Subframe and Its Attachments

-- Before starting the procedure, measure the distance from the center of the wheel to the lower edge of the wheel housing. Refer to WHEEL BEARING IN CURB WEIGHT POSITION, LIFTING VEHICLES WITH COIL SPRING .

-- Remove the rear wheels. Refer to WHEELS AND TIRES .

-- Disconnect the left and right connector -1- from the ABS speed sensor and free up the wire.

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-- Disconnect the right and left electromechanical parking brake connector -2- from the brake caliper.

-- Remove and free up the wiring harness from the retainers -arrows-.

Applies to Vehicles with a Level Control System Sensor

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-- Disconnect the connector -2- from the left rear level control system sensor -1- and, if necessary, from the right sensor.

-- To avoid damaging the level control system sensor, remove the bolts -lower arrows- from the linkage for the level control system sensor.

-- Free up the level control system sensor wire on the subframe.

Applies to All

-- Remove the springs. Refer to SPRING, REMOVING AND INSTALLING .

-- Remove the left and right nut -1- and remove the bolt -2-.

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-- Unclip the breather lines -1, 2 and arrows-.

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-- Unclip the brake lines from both sides -arrows-.

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NOTE:

The clips will get damaged while doing this and will have to be replaced.

For better illustration, the subframe is shown from above and is removed.

-- Remove the clamps -1- on both sides of the vehicle.

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-- Free up the brake lines from the bracket.

NOTE:

Do not disconnect the brake line.

-- Remove the left and right brake caliper. Refer to BRAKE CALIPER, REMOVING AND INSTALLING, REAR BRAKES .

-- Remove the muffler. Refer to MUFFLER, REMOVING AND INSTALLING [CNTC, CYFB] or MUFFLER, REMOVING AND INSTALLING [DAZA, DNWA] .

-- Remove the underbody trim panels. Refer to UNDERBODY TRIM PANELS, REMOVING AND INSTALLING .

-- Unclip and free up the wire -2- on the bracket -1-.

Fig 1: Tighten The Bolts -arrows-

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-- Mark the mounting bracket installation location on the body.

-- Remove the bolts -arrows-.

Applies to Audi TT Roadster

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-- Remove the nut -3- for the diffuser -1- on the fuel tank.

NOTE:

Ignore item -2-.

-- Remove the rear diagonal braces. Refer to DIAGONAL BRACES, REMOVING AND INSTALLING .

Applies to All

-- Secure the subframe. Refer to SUBFRAME, SECURING .

-- Lower the subframe with attachments.

NOTE:

When lowering, ensure the brake lines and wires have sufficient clearance.

Subframe with Attachments, Installing

Install in reverse order of removal and note the following:

-- Tighten the threaded connections in the curb weight position. Refer to WHEEL BEARING IN CURB WEIGHT POSITION, LIFTING VEHICLES WITH COIL SPRING .

On vehicles with electronic damping (Audi magnetic ride), perform the "Readapt control position" function using the Vehicle Diagnostic Tester.

-- Connect the Vehicle Diagnostic Tester.

-- Select Diagnostic operating mode and Start diagnostics .

-- Select the Select individual test tab and select the following tree structure consecutively:

Chassis
Wheel Damping Electronics
01 - OBD-capable systems .
14 - Electronic Damping Control Module -J250
14 - Electronic Damping Control Module, functions
14 - Readapt Control Position

If the control position was reprogrammed on a vehicle with lane assist, then the driver assistance systems front camera must be calibrated. Refer to DRIVER ASSISTANCE SYSTEMS FRONT CAMERA, CALIBRATING .
For vehicles with a level control system sensor, perform a headlamp basic setting. Refer to HEADLAMP, ADJUSTING .

-- Evaluate if an axle alignment is needed. Refer to NEED FOR AXLE ALIGNMENT, EVALUATING .

Tightening Specifications

Refer to OVERVIEW - SUBFRAME, FWD VEHICLES
Refer to OVERVIEW - TRAILING ARM
Refer to OVERVIEW - SUSPENSION STRUT, SHOCK ABSORBER AND SPRING
Refer to OVERVIEW - SUSPENSION STRUT, SHOCK ABSORBER AND SPRING
Refer to OVERVIEW - REAR BRAKES .
Refer to OVERVIEW - MUFFLER [CNTC, CYFB] or OVERVIEW - MUFFLER [DAZA, DNWA] .
Refer to OVERVIEW - UNDERBODY TRIM PANELS .
Refer to WHEELS AND TIRES