Front Final Drive, Removing And Installing: Removing

WARNING: This page is about a different car, the 2015 Audi Q7, 2014 Audi Q7, 2013 Audi Q7, 2012 Audi Q7, and 2011 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Bolts -4- And Engine Carrier Bolts -3-

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WARNING:

Do not remove the Engine/Gearbox Jack - Gearbox Support bolts -1- and the subframe bolts -3- for the following work.

-- Activate the vehicle lift mode if the vehicle has air suspension. Refer to Self-Leveling Suspension .

-- Remove the left and right front wheel housing liners. Refer to Exterior Equipment .

-- Remove the air filter housing. Refer to Multiport Fuel Injection .

-- Remove both front wheel. Refer to WHEELS AND TIRES .

Fig 2: Identifying Front/Rear Noise Insulation

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-- Remove the bolts and the front -1- and rear -2- noise insulation.

-- Remove the noise insulation bracket -arrows-.

Fig 3: Identifying Bracket For Noise Insulation

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-- If equipped, remove the right heat shield from the front final drive -arrows-.

Fig 4: Identifying Heat Shield Bolts -Arrows- And Shield

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-- Remove the front Drive Axle. Refer to FRONT DRIVESHAFT, REMOVING AND INSTALLING .

-- Remove each Drive Axle from the front final drive. Refer to Front Suspension .

-- Disconnect the connector -arrow- from the steering gear.

Fig 5: Identifying Electrical Connector -Arrow- On Steering Gear

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-- Remove heat shield -A- from the steering gear.

Fig 6: Identifying Steering Gear Heat Shield -A-

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CAUTION:

Only disconnect universal joint from steering gear if front wheels are in straight-ahead position.
Do not change steering wheel position and steering gear position any more.

-- Remove the bolt -B- from the universal joint. Refer to Steering .

-- Remove the universal joint from the steering gear.

-- Free up the coolant hoses -arrow-.

Fig 7: Identifying Coolant Hoses -Arrow-

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-- Mount the Engine Support Bridge10-222A with the Engine Support Bridge - Sub-frame Adapter10-222A/22 and connections T40091/3 on the fender bolting edge.

Fig 8: Identifying 10 - 222 A With 10 - 222 A /22 And T40091/3

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-- Install the additional Engine Support Bridge10-222A parts as illustrated. Mount the Engine Support Bridge - Engine Support 1910-222A/19 on the notches in the longitudinal members.

Fig 9: Engaging 10 - 222 A /10 In Rear Engine Lifting Eyes

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-- Attach the Engine Support - Bracket w/Spindle and Hook10-222A/10 to both rear engine lifting eyes.

-- Slide the support T40091/2 with both sliders T40093/5 into both mounts T40093/4.

Fig 10: Sliding T40091/2 With Both Slides T40093/5 Into Both T40093/4

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-- Attach the spindles 10-222A/11 to both front engine lifting eyes as illustrated.

WARNING:

Secure the T40091/2 with the bolts and the splints from the T40093/4.

-- Raise engine slightly by tensioning all spindles evenly in order to achieve even weight distribution.

-- Clamp off the return line -1- and intake hose -2- on the reservoir Hose Clamps - Up To 25mm3094.

Fig 11: Clamping Off Return Line -1- And Suction Line -2- At Hydraulic Fluid Reservoir Using 3094

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NOTE:

To collect escaping hydraulic oil, lay a clean cloth under the separating point.

Fig 12: Identifying Power Steering Fluid Hose Clamp -2- And Banjo Bolt -1-

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-- Remove the banjo bolt -1-.

NOTE:

Ignore -2-.

-- Position the Engine/Gearbox JackVAG 1383A under the subframe.

Fig 13: Identifying Engine-/Gearbox Jack V.A.G 1383 A

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Fig 14: Identifying Bolts -4- And Engine Carrier Bolts -3-

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WARNING:

Do not remove the Engine/Gearbox Jack - Gearbox Support bolts -1- and the subframe bolts -3- for the following work.

CAUTION:

To avoid axle alignment later, subframe must be secured with Assembly Carrier Locating PinsT10300.

-- Secure the subframe with the Assembly Carrier Locating PinsT10300. Refer to Front Suspension .

-- Support the subframe and remove the bolts -2- and -4- diagonally and in steps.

-- Lower to subframe with the front final drive to dimension -a- using the Engine/Gearbox JackVAG 1383A.

Fig 15: Lifting Engine/Transmission Subassembly Using Scissor Lift Platform VAS 6131 Until Dimension Is Reached

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-a- = 200 mm

NOTE:

If necessary, pull subframe down slightly.

-- Remove the threaded connectors -1, 2 and 3- from the front final drive -A- /subframe -B-.

Fig 16: Identifying Bolts With Nuts For Front Final Drive On Subframe, Removal/Installation

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NOTE:

To remove the front final drive, use and additional technician.

Fig 17: Identifying Front Final Drive Rearward Between Subframe And Engine/Transmission, Removal

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Remove the front final drive -1- toward the rear between the subframe and the engine/transmission subassembly:

-- Tie up the left Drive Axle.

-- With a 2nd technician, remove the front final drive from the mounts in subframe while guiding the right Drive Axle out of the flange shaft.

-- Lift the front final drive over the steering gear and guide it out toward the rear.

Fig 1: Identifying Bolts -4- And Engine Carrier Bolts -3-

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WARNING:

Do not remove the Engine/Gearbox Jack - Gearbox Support bolts -1- and the subframe bolts -3- for the following work.

-- Activate the vehicle lift mode if the vehicle has air suspension. Refer to Self-Leveling Suspension .

-- Remove both front wheel. Refer to WHEELS AND TIRES .

-- Remove the left and right engine hood seal -1- -arrow-.

Fig 2: Left And Right Hood Seal -1- -Arrow- Removal

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Vehicles with a 3.0L TDI engine:

Fig 3: Identifying 10 - 222 A Mounted On Fender Bolting Edge

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-- Mount the Engine Support Bridge10-222A on the fender bolting edge as illustrated.

The Lifting Tackle3033 spindles are in the back.

-- Engage the spindle carabiner hook into the rear engine lifting eyes.

-- Preload the engine slightly by tensioning all spindles evenly in order to achieve an even weight distribution.

Vehicles with a 4.2L TDI Engine:

Fig 4: Removing Engine Hood Seal

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-- Loosen the bolt -1-. Remove the bolt -2- and nut.

-- Free up the right rear coolant pipe on the rear right engine lifting eye.

NOTE:

Ignore -arrows-.

-- Mount the Engine Support Bridge10-222A on the fender bolting edges with 2 threaded spindles -1- from the Lifting Tackle3033 as illustrated.

Fig 5: Disconnecting Return Line And Intake Hose

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-- Engage the spindle carabiner hook into the rear engine lifting eyes.

-- Preload the engine slightly by tensioning all spindles evenly in order to achieve an even weight distribution.

-- Disconnect the return line -1- and intake hose -2- from the reservoir hose using Hose Clamps - Up To 25mm3094.

Fig 6: Clamping Off Return Line -1- And Suction Line -2- At Hydraulic Fluid Reservoir Using 3094

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Vehicles with a 3.0L TDI Engine:

Fig 7: Identifying Power Steering Pump Hydraulic Hose -1- And Bolts -2-

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NOTE:

To collect escaping hydraulic oil, lay a clean cloth under the separating point.

-- Disconnect the power steering pump hydraulic hose -1- using Hose Clamps - Up To 25mm3094.

-- Remove bolts -2- and then remove hydraulic lines from the power steering pump.

-- Seal any open lines and connections with a clean plug from the Engine Bung SetVAS 6122.

Continuation for All:

Fig 8: Identifying Front/Rear Noise Insulation

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-- Remove the bolts and the front -1- and rear -2- noise insulation.

-- Remove the noise insulation bracket -arrows-.

Fig 9: Identifying Bracket For Noise Insulation

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-- If equipped, remove the right heat shield from the front final drive -arrows-.

Fig 10: Identifying Heat Shield Bolts -Arrows- And Shield

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-- Remove the front Drive Axle. Refer to FRONT DRIVESHAFT, REMOVING AND INSTALLING .

-- Remove each Drive Axle from the front final drive. Refer to Front Suspension .

-- Disconnect the connector -arrow- from the steering gear.

Fig 11: Identifying Electrical Connector -Arrow- On Steering Gear

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-- Remove heat shield -A- from the steering gear.

Fig 12: Identifying Steering Gear Heat Shield -A-

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CAUTION:

Only disconnect universal joint from steering gear if front wheels are in straight-ahead position.
Do not change steering wheel position and steering gear position any more.

-- Remove the bolt -B- from the universal joint. Refer to Steering .

-- Remove the universal joint from the steering gear.

Version 1:

Fig 13: Coolant Hose Location

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-- Free up coolant hoses -arrow-.

Version 2:

Fig 14: Coolant Hose Location

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-- Free up coolant hoses -arrow-.

Vehicles with a 4.2L TDI Engine:

Fig 15: Removing Hydraulic Line Bolts

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NOTE:

To collect escaping hydraulic oil, lay a clean cloth under the separating point.

-- Remove bolt -2- and banjo bolt for hydraulic line -1- and lay the hydraulic line to the rear.

-- Seal any open lines and connections with a clean plug from the Engine Bung SetVAS 6122.

All vehicles:

Fig 16: Identifying Engine-/Gearbox Jack V.A.G 1383 A

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-- Position the Engine/Gearbox JackVAG 1383A under the subframe.

Fig 17: Identifying Bolts -4- And Engine Carrier Bolts -3-

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WARNING:

Do not remove the Engine/Gearbox Jack - Gearbox Support bolts -1- and the subframe bolts -3- for the following work.

CAUTION:

To avoid axle alignment later, subframe must be secured with Assembly Carrier Locating PinsT10300.

-- Secure the subframe with the Assembly Carrier Locating PinsT10300. Refer to Front Suspension .

-- Support the subframe and remove the bolts -4-.

-- Lower to subframe with the front final drive to dimension -a- using the Engine/Gearbox JackVAG 1383A.

Fig 18: Lifting Engine/Transmission Subassembly Using Scissor Lift Platform VAS 6131 Until Dimension Is Reached

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-a- = 180 mm

NOTE:

If necessary, pull subframe down slightly.

-- Remove the threaded connectors -1, 2 and 3- from the front final drive -A- /subframe -B-.

Fig 19: Identifying Bolts With Nuts For Front Final Drive On Subframe, Removal/Installation

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NOTE:

To remove the front final drive, use and additional technician.

Fig 20: Removing Front Final Drive

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Remove the front final drive -1- below as follows:

-- With a 2nd technician, remove the front final drive from the mounts in subframe while guiding the right Drive Axle out of the flange shaft.

-- Push the front final drive to the right and remove downward -arrow-.

Fig 1: Identifying Bolts -4- And Engine Carrier Bolts -3-

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WARNING:

Do not remove the Engine/Gearbox Jack - Gearbox Support bolts -1- and the subframe bolts -3- for the following work.

-- Activate the vehicle lift mode if the vehicle has air suspension. Refer to VEHICLE LIFT MODE .

-- Remove the left and right air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

-- Release the retainers -arrows B- and remove the air guide -1- -arrow A-.

Fig 2: Removing Refrigerant Line Clamps Nuts And Bolts

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-- Remove nuts and bolts -arrows- for refrigerant line clamps.

Fig 3: Identifying Coolant Line Retaining Clamp Nuts And Bolts -Arrows-

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NOTE:

To position the T40093/3 on the longitudinal members, lay the refrigerant lines to the side with loosened bolted connections.

-- Disconnect the return line -1- and intake hose -2- from the reservoir hose using Hose Clamps - Up To 25mm3094.

Fig 4: Clamping Off Return Line -1- And Suction Line -2- At Hydraulic Fluid Reservoir Using 3094

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-- Remove the left and right engine hood seal -1- -arrow-.

Fig 5: Left And Right Hood Seal -1- -Arrow- Removal

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-- Tighten the front left retaining strap T40244 to the cylinder head.

Fig 6: Mounting Engine Support Bridge 10-222A To Fender Bolting Edge

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-- Mount the Engine Support Bridge10-222A with the Engine Support Bridge - Sub-frame Adapter10-222A/22 and connectors T40093/4 on the fender bolting edge.

Fig 7: T40091

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-- Assemble the parts from the Engine Support - Basic SetT40091 and Engine Support - Supplement KitT40093A as illustrated.

Fig 8: T40093/3

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NOTE:

Mount the T40093/3 on the notches in the longitudinal members.

-- Slide the support T40091/2 with both sliders T40093/5 into both connectors T40093/4.

Fig 9: Removing Noise Insulation Bolts

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-- Engage the threaded spindle from the Lifting Tackle3033 on the right rear engine lifting eye as illustrated.

WARNING:

Risk of an accident due to loose support bridge parts.

Secure the support T40091/2 with the connector T40093/4 bolt -1- and cotter pin -arrow-.

-- Engage the Engine Support - Bracket w/Spindle and hook10-222A/10 on the left front engine lifting eye and preload it.

-- Lift the engine slightly by tensioning both spindles evenly in order to achieve an even weight distribution.

-- Remove the bolts and the front -1- and rear -2- noise insulation.

Fig 10: Identifying Front/Rear Noise Insulation

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-- Remove the noise insulation bracket -arrows-.

Fig 11: Identifying Bracket For Noise Insulation

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-- Remove the right heat shield from front final drive -arrows-.

Fig 12: Identifying Heat Shield Bolts -Arrows- And Shield

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-- Remove the front Drive Axle. Refer to FRONT DRIVESHAFT, REMOVING AND INSTALLING .

-- Remove each Drive Axle from the front final drive. Refer to [For engine(s) BAR, CTWB, BHK, CATA, CNRB, CTWA, CJWE, CJWC, CJWB] Front Suspension .

-- Disconnect the connector -arrow- from the steering gear.

Fig 13: Identifying Electrical Connector -Arrow- On Steering Gear

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-- Remove heat shield -A- from the steering gear.

Fig 14: Identifying Steering Gear Heat Shield -A-

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CAUTION:

Only disconnect universal joint from steering gear if front wheels are in straight-ahead position.
Do not change steering wheel position and steering gear position any more.

-- Remove the bolt -B- from the universal joint. Refer to [For engine(s) BAR, CTWB, BHK, CATA, CNRB, CTWA, CJWE, CJWC, CJWB] Steering .

-- Remove the universal joint from the steering gear.

-- Free up coolant hoses -arrow-.

Fig 15: Identifying Coolant Hoses -Arrow-

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-- Disengage the power steering hydraulic line from the left brackets on the subframe.

-- Remove the nuts -arrows- and free up the power steering hydraulic line -1-.

Fig 16: Removing Ventilation Hose From Differential

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-- Remove the ventilation hose -1- from the differential -arrow-.

Fig 17: VAG 1383A

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-- Position the Engine/Gearbox JackVAG 1383A under the subframe.

Fig 18: Identifying Engine-/Gearbox Jack V.A.G 1383 A

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Fig 19: Identifying Bolts -4- And Engine Carrier Bolts -3-

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WARNING:

Do not remove the Engine/Gearbox Jack - Gearbox Support bolts -1- and the subframe bolts -3- for the following work.

CAUTION:

To avoid axle alignment later, subframe must be secured with Assembly Carrier Locating PinsT10300.

-- Secure the subframe with the Assembly Carrier Locating PinsT10300. Refer to [For engine(s) BAR, CTWB, BHK, CATA, CNRB, CTWA, CJWE, CJWC, CJWB] Front Suspension .

-- Support the subframe and remove the bolts -4-.

-- Lower to subframe with the front final drive to dimension -a- using the Engine/Gearbox JackVAG 1383A.

Fig 20: Lifting Engine/Transmission Subassembly Using Scissor Lift Platform VAS 6131 Until Dimension Is Reached

Courtesy of AUDI OF AMERICA, LLC

-a- = 180 mm

NOTE:

If necessary, pull subframe down slightly.

NOTE:

To collect escaping hydraulic oil, lay a clean cloth under the separating point.

Fig 21: Removing Front Final Drive Threaded Connectors

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-- Counterhold the hex fitting -1- to remove the union nut -2-.

-- Lay the power steering hydraulic line -3- toward the rear.

-- Remove the threaded connectors -1, 2 and 3- from the front final drive -A- /subframe -B-.

Fig 22: Identifying Bolts With Nuts For Front Final Drive On Subframe, Removal/Installation

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NOTE:

To remove the front final drive, use and additional technician.

Fig 23: Removing Front Final Drive

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Remove the front final drive -1- below as follows:

-- With a 2nd technician, remove the front final drive from the mounts in subframe while guiding the right Drive Axle out of the flange shaft.

-- Push the front final drive to the right and remove downward -arrow-.