SUBFRAME, Lowering: Notes

Special tools and workshop equipment required 

• Torque Wrench 1331 5-50Nm :VAG1331 
• Torque Wrench 1332 40-200Nm :VAG1332 
• Engine and Gearbox Jack :VAS6931 

-- 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 CONTROL POSITION, LIFTING VEHICLES WITH AIR SUSPENSION or WHEEL BEARING IN CURB WEIGHT, LIFTING VEHICLES WITH COIL SPRING .

-- Place the vehicle on a hoist. Refer to RAISING AND LOWERING WITH OPEN AND CLOSED AIR SUSPENSION SYSTEM .

-- Remove the engine cover.

-- Support the engine completely using the Engine Support Bridge. .

-- Remove the front wheels.

-- Remove the noise insulation -1 and 2-. Refer to NOISE INSULATION .

Courtesy of AUDI OF AMERICA, LLC

-- Remove the front left and right wheel housing liners. Refer to WHEEL HOUSING LINER .

Courtesy of AUDI OF AMERICA, LLC

-- Remove the nuts -3- and remove the cover -2- (if equipped) from the right and left driveshaft.

Courtesy of AUDI OF AMERICA, LLC

-- Tip the top of the cover -2- toward the outside and guide it downward by the seam -1-.

-- Remove the left and right wheel spoiler. Refer to WHEEL HOUSING LINER .

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the left and right connector -1- from the level control system sensor (if equipped) and remove the clip -arrow-.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the right and left clamps for the vehicle level sensor wires from the subframe.

-- Free up the electrical wire.

-- Remove the connector -1- for the vehicle signals (CAN bus and terminal 15) from the Power Steering Control Module -J500-.

Courtesy of AUDI OF AMERICA, LLC

-- Release the safety mechanism in direction of -arrow-, push the retainer downward and disconnect the connector -2- for the voltage (terminal 30) from the Power Steering Control Module -J500-.

-- Free up the clip -arrow-, disconnect the connector -1- and free up the wire.

Courtesy of AUDI OF AMERICA, LLC

-- If installed, remove the remaining clips -arrows- on the crossbrace and free up the wiring harness.

Courtesy of AUDI OF AMERICA, LLC

-- If installed, open the clip -arrow- on the left rear subframe and free up the wiring harness.

Courtesy of AUDI OF AMERICA, LLC

-- Secure the steering wheel in the straight-ahead position using adhesive tape -arrow- so that it does not turn.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -arrow-.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the universal joint -1- from the steering gear -2- and support the steering intermediate shaft so that it cannot fall.

-- Remove the left and right nuts -1- and bolts -2- and remove the heat shield upper section -3-.

Courtesy of AUDI OF AMERICA, LLC

-- If equipped remove the Transmission Fluid Cooling Valve -N509-. Refer to COOLANT VALVES, REMOVING AND INSTALLING [For engine(s) CYNB] or COOLANT VALVE, REMOVING AND INSTALLING [For engine(s) CTGE, EUC] or COOLANT VALVE, REMOVING AND INSTALLING [For engine(s) CPNB] or COOLANT VALVE, REMOVING AND INSTALLING [For engine(s) CREC, REH] or COOLANT VALVES, REMOVING AND INSTALLING [For transmission(s) 0B5, CK] [For engine(s) CYNB] .

-- For vehicles with an intermediate flange -1-, remove the bolts -2 and 3- and free up the intermediate flange with the hoses still connected.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the threaded connector -1- for the right and left coupling rods on the shock absorber fork.

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect and free up the connectors -1- for the Right Electrohydraulic Engine Mount Solenoid Valve -N145- and -2- and for the Left Electrohydraulic Engine Mount Solenoid Valve -N144-.

Courtesy of AUDI OF AMERICA, LLC

Applies to Audi RS 6 

Courtesy of AUDI OF AMERICA, LLC

-- Remove the nut -arrow-, free up the coolant pipe -1- and push it slightly to the side.

-- Remove the bolt -arrow- and free up the wiring harness.

Courtesy of AUDI OF AMERICA, LLC

Applies to Vehicles with a 6- or 8-Cylinder Engine 

-- Remove the bolts -arrows- and the left lower front longitudinal member -1-.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the nuts and bolts -arrows- and free up the ground cable -1- and the wire -2-.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the right lower front longitudinal member.

-- Loosen the hose clamps -arrows-, then clamp off the coolant hoses with the Hose Clamps - Up To 25mm :3094  and remove the hoses.

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the left and right connectors -1 and 2-.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the connector -arrow- from the bracket, disconnect it, and then guide it through the subframe.

Courtesy of AUDI OF AMERICA, LLC

Continuation for All 

Courtesy of AUDI OF AMERICA, LLC

-- Remove the nuts -1 and 2-, if necessary, and move the ground cable -arrow- to the side.

-- Remove the right and left clip -arrow- from the engine mount bracket and free up the wires and the metal bracket -1-.

Courtesy of AUDI OF AMERICA, LLC

• There is also a wire attached to the rear engine bracket on the left, depending on the engine type.

-- Support the subframe using the Engine and Gearbox Jack:VAS6931  and a piece of hard wood, as shown.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -arrow- for the left and right engine mounts.

Courtesy of AUDI OF AMERICA, LLC

-- Mark the location of the subframe to the longitudinal members using a felt-tip pen.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the left and right bolts -1, 2 and 3- from the subframe diagonally and in steps.

-- Lower the subframe using the :VAS6931  .