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Home >> Audi >> 2017 >> A3 Premium, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 40 (Rear Suspension -- (A3 Sedan)) >> 42 Rear Suspension >> Rear Axle >> Rear Axle, Removing And Installing >> Rear Axle, Removing And Installing, Multi-Link Suspension Vehicles With Front Wheel Drive >> Removing The SUBFRAME And Attachments

Removing The SUBFRAME And Attachments

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

-- Before beginning work measure the distance from the center of wheel to lower edge of wheelhouse. Refer to WHEEL BEARING IN CURB WEIGHT, LIFTING VEHICLES WITH COIL SPRING .

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

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

GWWA42-10538Courtesy of AUDI OF AMERICA, LLC

-- 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-.

-- If equipped, disconnect the connector -2- for the Left Rear Level Control System Sensor -G76- /Right Rear Level Control System Sensor -G77- -1-.

GWWA43-10206Courtesy of AUDI OF AMERICA, LLC

-- To prevent damage to the left and right rear level control system sensor, remove the bolts -arrows- on the linkage for the left and right rear level control system sensor -1-.

-- Free up the Left Rear Level Control System Sensor -G76- /Right Rear Level Control System Sensor -G77- wire from the subframe.

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

GWWA42-10661Courtesy of AUDI OF AMERICA, LLC

-- Unclip the breather line -1 and 2-.

GWWA20-11107Courtesy of AUDI OF AMERICA, LLC

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

GWWA42-10591Courtesy of AUDI OF AMERICA, LLC
NOTE:

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

For illustrative purposes, the illustration shows the subframe removed and from the top.

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

GWWA42-10581Courtesy of AUDI OF AMERICA, LLC

-- Free up the brake lines from the bracket.

NOTE:

Do not disconnect the brake line.

-- Remove the left and right brake caliper and with the brake lines attached secure to the body. Refer to OVERVIEW - REAR BRAKES / REAR BRAKE CALIPER, REPLACING .

-- If equipped, remove the underbody panels. Refer to OVERVIEW - UNDERBODY TRIM PANELS / UNDERBODY TRIM PANELS, REMOVING AND INSTALLING .

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

GWWA42-10651Courtesy of AUDI OF AMERICA, LLC

-- Mark the mounting bracket -1- installation location on the body.

-- Remove the bolts -arrows-.

WARNING:

Before -loosening- subframe bolts, secure vehicle from tipping over, for example, load the luggage compartment with approximately 50 kg (110 lbs).

-- Lower subframe with attachments.

NOTE:

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