Power Take-Off Seals, Replacing

WARNING: This page is about a different car, the 2010 Audi Q7, 2009 Audi Q7, 2008 Audi Q7, and 2007 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Thrust PieceT40192
Thrust PieceT40193
Seal PullerT40195

Procedure

-- On a vehicle with air suspension, activate vehicle lift mode. Refer to VEHICLE LIFT MODE .

-- Remove power steering pump. Refer to POWER STEERING PUMP, REMOVING AND INSTALLING .

-- Remove Air Conditioning (A/C) compressor. Refer to Removal and Installation .

-- Remove hose clamp at A/C compressor dust cap -arrow-.

Fig 1: Identifying Dust Cap -Arrow- On End Of Shaft For A/C Compressor Drive Spur Gear

Courtesy of AUDI OF AMERICA, LLC

-- Remove the dust cap from the end of the shaft for the A/C compressor drive spur gear.

-- Rotate the spindle on the T40195 all the way back.

Fig 2: Identifying Puller - Shaft Seal T40195

Courtesy of AUDI OF AMERICA, LLC

-- Lubricate the seal remover threaded head, position it, and install it in the shaft seal for the A/C compressor drive and power steering pump drive as far as possible using strong force.

-- Rotate the inner section of the seal puller against the spur gear unit until the shaft seal is removed.

NOTE:

If the shaft seal breaks, position the seal puller a second time and remove the rest of the seal.

-- Clamp the seal puller in a vise at the hex bolt and remove the shaft seal with pliers.

-- Clean running and sealing surface.

-- Drive the A/C compressor drive shaft seal in as far as the stop using the T40192.

Fig 3: Driving A/C Compressor Drive Shaft Seal In As Far As Stop Using T40192

Courtesy of AUDI OF AMERICA, LLC

-- Drive the power steering pump drive shaft seal in as far as the stop using the T40193.

Fig 4: Driving Power Steering Pump Drive Shaft Seal In As Far As Stop Using T40193

Courtesy of AUDI OF AMERICA, LLC

The rest of the installation is in reverse order of removal, note the following:

NOTE:

Secure the dust cap with a hose clamp appropriate to model.

-- Slide dust seal cap -arrow- with hose clamp already installed onto shaft end of A/C compressor drive spur gear.

Fig 5: Identifying Dust Cap -Arrow- On End Of Shaft For A/C Compressor Drive Spur Gear

Courtesy of AUDI OF AMERICA, LLC

-- Install A/C compressor. Refer to COMPRESSOR .

-- Install the power steering pump. Refer to POWER STEERING PUMP, REMOVING AND INSTALLING .

-- On a vehicle with air suspension, deactivate vehicle lift mode. Refer to VEHICLE LIFT MODE .