AUDI A4 hydraulic pump motor
Part No. 8H0 959 755 A
This guide is applicable to the Audi A4
manufactured from 2001 to 2009.
The following part numbers are
applicable to this vehicle:
8H0959247A complete pump assembly
8H0959755A replacement motor
Once you have access to the hydraulic
pump, the motor (2) is easily removed
by un-plugging from the electrical
connector (17) and removing the two
The following step by step guide shows
you how to access the hydraulic pump.
How to use this guide:
Scroll down to view the removal process, each step is described together with a photo.
A printer freindly PDF guide is also available to download.
• Large flat screwdriver
• 3/8" or 1/4" ratchet
• 150mm extension bar
• 10mm deep hex socket
• T27 or T30 Torx bit
This guide is provided for those persons with the nessesary skills to carry out vehicle repairs, During
this procedure a small amount of hydraulic fluid may be released and suitable precautions should be
taken to avoid any contact with the skin and also the vehicle paintwork.
Autoelectron accepts no responsibility for any personal injury or any damage caused to the vehicle
by using this guide.
Make sure the boot is empty
Remove the carpet panel
Looking at the end of the motor this is
what you should see, just pull off the
nylon wheel and keep in a safe place.
Place the motor in a plastic bag and package in a
suitable cardboard box with adequate packing.
Send the motor to us using an insured or tracked
service together with the appropriate payment,
don't forget to include your address and daytime
Wriggle the motor off the pump and this is
what the pump housing should look
like, Use some rags to wedge the pump in
the well with the motor end up to prevent
loss of fluid.
While the motor is away, cover with a
plastic bag to prevent dust & dirt entering
Lift the pump assembly from the well floor and
rest the pump on the boot floor with the
reservoir lowermost and the motor uppermost.
Have some rags ready and remove the 2 Torx
screws holding the motor to the pump, these
are either T27 or T30.
Unplug and release the motor wiring
Remove the third nut.
Remove the second nut.
Using the 10mm socket & extension bar remove
the nuts holding the pump assembly to the well
floor, there are three in total.
Use some self adhesive tape inside the socket to
retain the nut, this avoids loosing the nut down
the wheel well.
Swing the amplifier out of the way.
Release the cable tie.
Remove the 3 nuts (10mm) holding the
amplifier in place.
This is what you should see once you
have removed the cover.
Press in the tabs on the back of the
connector to remove from the 12V
The panel can now be removed
Pull the socket through the panel while
pressing the tabs.
Disconnect or remove the light.
Pull the cover out about this far.
Reach behind the 12V socket and unplug
the wiring connector from behind.
Wriggle and pull the cover gently but
firmly away at the bottom.
Remove the plastic rivet at the top rear
of the cover.
Remove the plastic rivet at the top near
the right hand side compartment cover.
Step 4 continuied
The cover is held on by 4 concealed
clips, for reference the approximate
position of the clips are shown in blue.
Remove the plastic boot lip cover, pull
upward on the two clips shown here,
it's quite tight so prepare to use some
Partially remove the boot lid sealing
rubber up to these points.
Alternatively, I find it easier to remove
the 12V socket from the panel first and
then unplug the connector.
To do this press in the retaining tabs &
pull the 12V socket through the panel.
Caution: During the following steps a small
amount of Hydraulic fluid may be released
when removing the motor.
• Rags or paper towels
• 2 plastic bags
• Self adhesive tape
• Box 12 x 12 x 20cm
• Packing materials
To print an address
label click here: