Subframe Pre-Adjusting Procedure:

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 Audi S7, 2015 Audi A7 Quattro, 2014 Audi S7, 2014 Audi A7 Quattro, and 2013 Audi S7. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Subframe Measuring Point

Courtesy of AUDI OF AMERICA, LLC

Place the subframe over the head.
Pre-install the steering gear and guide link (tighten the bolts hand-tight).
Move the arms -1 and 2- to adjust dimension -A- (the inner edges of the holes must match up with each other).
Mount the crossbrace and tighten it to the rear bolting points. The crossbrace is now pre-adjusted.
Tighten the steering gear.
Tighten the crossbrace at the front 2 attaching points.

Dimension -A- = 599 mm

NOTE:

Bonded rubber bushings have a limited range of motion. Only tighten suspension bolts when vehicle is in curb weight or control position.

Lift wheel bearing in control position, refer to WHEEL BEARING IN CONTROL POSITION, LIFTING VEHICLES WITH AIR SUSPENSION or WHEEL BEARING IN CURB WEIGHT, LIFTING VEHICLES WITH COIL SPRING .

-- Position the subframe on the body at the location marked.

-- Tighten the subframe bolts diagonally.

WARNING:

All bolts and nuts must be tightened properly before driving the vehicle!

-- Axle alignment, refer to the table in EVALUATING NEED FOR AXLE ALIGNMENT .

-- On vehicles with automatic head lamp range control, perform headlamp basic setting, refer to DIAGNOSIS AND TESTING .

-- If the Level Control Sensor -- is removed or installed on a vehicle with air suspension or if the linkage was loosened, the control position must be programmed again by starting the correct program on the Vehicle Diagnostic Tester in Guided Functions .

-- If the control position was reprogrammed on vehicles with lane assist, the Camera Control Module -J852- must be calibrated again, refer to DRIVER ASSISTANCE SYSTEMS FRONT CAMERA, CALIBRATING .