SUBFRAME With Attachments, Removing And Installing

Special tools and workshop equipment required 

• Torque Wrench 1331 5-50Nm VAG1331
• Torque Wrench 1332 40-200Nm VAG1332
• Engine and Gearbox Jack VAS6931 with Universal Support Plate VAG1359/2
• Tensioning Strap T10038

Removing the subframe and attachments

-- Before starting work, determine dimension -a- from the center of the wheel to the lower edge of the wheel housing while the vehicle is resting on its wheels.

Fig 1: Dimension From Center Of Wheel To Lower Edge Of Wheel Housing

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-- Place the vehicle on a hoist.

-- Remove the wheels.

-- Remove the coil springs, refer to COIL SPRING, REMOVING AND INSTALLING .

-- Remove the rear muffler, refer to MUFFLER, REMOVING AND INSTALLING for CALB, MUFFLER, REMOVING AND INSTALLING for CTUC and CTUD, EXHAUST PIPES/MUFFLERS, SEPARATING for CPNB, or EXHAUST PIPES/MUFFLERS, SEPARATING for CHJA, CAEB, CPMB, CPMA. .

Applies to vehicles with AWD 

Fig 2: Identifying Secured Driveshaft

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-- Remove the propshaft from the rear final drive, refer to DRIVESHAFT, REMOVING AND INSTALLING FROM REAR FINAL DRIVE .

-- Secure the propshaft -3- to the body -2- using a wire -1-.

-- Move rear propshaft tube as far as possible in direction of transmission.

-- If the vehicles as a Sport differential, remove the bolts -arrows- and remove the bracket -1- from the rear final drive.

Fig 3: Identifying Rear Final Drive Wiring Harness Bracket

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-- Mark the connectors -2- on the oil pressure/temperature sensors and on the clutch valves.

-- Disconnect the connector -4- from the All Wheel Drive Pump -V415-.

-- Unclip the wiring harness -3- from the final drive and the subframe -5 through 7- and tie it up.

-- On hybrid vehicle, remove the bolt -3- from the potential equalization cable on the rear final drive -2-.

Fig 4: Removing Bolt From Potential Equalization Cable

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Continuation for all

Fig 5: Identifying Left, Right Bolt And Bracket With Wires

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-- Remove the left and right bolt -2- and the bracket with wires -1-.

-- Release and disconnect the connector -1- from the Left Rear ABS Wheel Speed Sensor -G46- and Right Rear ABS Wheel Speed Sensor -G44-.

Fig 6: Releasing Connector From Left ABS Wheel Speed Sensor

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-- Disconnect the right and left electromechanical parking brake connectors -3-.

-- Remove the left and right bolt -2- and the bracket with wires -6-.

-- Disconnect the connector -5- from the Left Rear Level Control System Sensor -G76- and, if equipped, from the Right Rear Level Control System Sensor -G77-.

-- Remove left wiring harness -4-, and if equipped, the right one as well and expose.

-- If the vehicle has electronically controlled damping, disconnect the connector on the shock absorber and free up the wiring harness.

-- Release the retaining tabs -1- and remove the stone deflector -2-.

Fig 7: Identifying Retaining Tabs And Stone Deflector

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-- Remove the bolt -arrow- and washer.

Fig 8: Lower Shock Absorber Bolt And Washer

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-- Disconnect the threaded connection -1-.

Fig 9: Identifying Threaded Connection

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-- Dismount the brake calipers, refer to BRAKE CALIPER, REMOVING AND INSTALLING .

-- Guide the brake caliper past the wheel suspension and secure it on the body so the weight of the caliper does not stress or damage the brake hose or line.

-- Attach the upper transverse link to the wheel bearing housing by hand -1-.

-- Remove the cover -1- and -2-.

Fig 10: Identifying Stone Deflectors

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-- Remove the wheel spoiler, refer to Exterior Equipment .

-- Install the stone deflectors -1-, -2- and -3-, if applicable.

Fig 11: Identifying Stone Protection Plate

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-- Place the Engine/Gearbox Jack VAG1383A with Universal Support Plate VAG1359/2 below subframe and secure with the Tensioning Strap T10038.

Fig 12: Placing VAG 1383 A With VAG 1359/2 Under Subframe

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-- Support the rear final drive -1- using a suitable wood block -2-.

-- Support front of subframe with a suitable wood block -4- under crossmember -3-.

-- Secure the Tensioning Strap T10038 under the drive axle and around the subframe and guide it behind the rear final drive.

-- Route Tensioning Strap T10038 under the Universal Transmission Support VAG1359/2 and tighten it.

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

Fig 13: Removing Left And Right Bolt

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-- Remove the bolts -arrows-.

Fig 14: Removing Bolts

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• Before lowering the subframe, make sure all the electrical wiring connections have been disconnected and removed.

-- Carefully lower subframe with components. Be careful of the brake caliper and its lines.

Installing the subframe with attachments

Install in reverse order of removal. Note the following:

Tightening specifications, refer to OVERVIEW - SUBFRAME, STABILIZER BAR AND COUPLING ROD .

Tightening specifications, refer to OVERVIEW - WHEEL BEARING HOUSING, WHEEL BEARING UNIT AND COIL SPRING SHOCK ABSORBER .

Tightening specifications, refer to OVERVIEW - WHEEL BEARING HOUSING, WHEEL BEARING UNIT AND COIL SPRING SHOCK ABSORBER, VEHICLES WITH FRONT WHEEL DRIVE .

Tightening specifications, refer to [For engine(s) CHJA] Electric Drive

-- The center of the subframe mount holes must be aligned to the bolting points on the body.

-- Align the subframe to the fuel tank so that the dimension -a- on vehicles without stone chip protection is 19 mm and dimension -b- on vehicles with stone chip protection is 14 mm.

Fig 15: Center Of Subframe Mount Holes Must Be Aligned To Bolting Points On Body

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-- Tighten the wheel, wheel bolt tightening specification: 140 Nm. Refer to AUDI SQ5 TYPE 8R, MY 2012 - 2015 .

-- To determine if an axle alignment is required, see Table, refer to WHEN A VEHICLE ALIGNMENT IS NECESSARY .