SUBFRAME, Lowering

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Procedure

NOTE:

During installation, all cable ties must be installed at the same location.

Before starting work:

-- Versions with coil springs: determine the curb weight position. Refer to WHEEL BEARING IN CURB WEIGHT POSITION, LIFTING VEHICLES WITH COIL SPRING .

-- Versions with air suspension: determine the standard vehicle height. Refer to WHEEL BEARING AT STANDARD VEHICLE HEIGHT, LIFTING VEHICLES WITH AIR SUSPENSION .

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

-- Remove the front lower longitudinal member on the left and right side. Refer to Lock Carrier ; Lower Longitudinal Member, Removing and Installing.

-- Remove the connector -3- from the bracket and disconnect it.

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-- Loosen the nut -arrow- several turns, and free up and disconnect the connector -2-.

-- Remove the nut -1- and free up the ground wire.

-- Free up the wires to the subframe.

-- Equipment versions with electro-hydraulic engine mount: disconnect the left and right connector -2- for the electrohydraulic engine mount solenoid valve.

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-- Equipment versions with support bearing: remove the left and right bolt -1- for the support bearing.

NOTE:

The illustration shows the installation position on a vehicle with a 2.0L TFSI engine.

-- If installed, remove the nut -arrow- and free up the bracket -1- with the wiring harness.

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-- Remove the left and right bolts -arrow- for the subframe shield.

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-- Remove the left and right nut -3- and the bolt -1- for the coupling rod -2-.

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-- Remove the steering intermediate shaft from the steering gear and then push together. Refer to STEERING INTERMEDIATE SHAFT, REMOVING AND INSTALLING .

-- Remove the left and right drive axle from the transmission. Refer to DRIVE AXLE, REMOVING AND INSTALLING .

-- Equipment versions with electronic damping: disconnect the left and right connector -3- for the level control system sensor and free up the wire.

Fig 1: Identifying Nuts

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NOTE:

Ignore -items 1 and 2-.

-- If installed, remove the bolts -arrows- from the end panel.

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-- Equipment versions with SCR system: free up the SCR delivery line -1- on the subframe.

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-- Remove the left and right bolt -2- and lower the subframe with the Engine and Gearbox Jack:VAS 6931 .

NOTE:

Make sure there is enough clearance for the wires when lowering the subframe.

If required for other procedures, tie up the subframe to the body with Tensioning Strap:T10038 and remove the Engine and Gearbox Jack:VAS 6931 .

Installing

Install in the reverse order of removal while noting the following:

-- Remove the Locating Pins:T40327 . Refer to SUBFRAME, SECURING .

-- Install the steering intermediate shaft. Refer to STEERING INTERMEDIATE SHAFT, REMOVING AND INSTALLING .

NOTE:

Bonded rubber bushings have a limited range of rotation. Only tighten the suspension bolts when the vehicle is in curb weight position or at standard vehicle height.

-- Lifting the wheel bearing in curb weight position (refer to WHEEL BEARING IN CURB WEIGHT POSITION, LIFTING VEHICLES WITH COIL SPRING ) or at standard vehicle height (refer to WHEEL BEARING AT STANDARD VEHICLE HEIGHT, LIFTING VEHICLES WITH AIR SUSPENSION ).

WARNING:

Risk of accident!

If the vehicle will be driving on the streets, all bolts and nuts must be tightened properly according to the guidelines.

-- Connections and wire routing. Refer to the appropriate Wiring Diagram.

Tightening Specifications