Volkswagen up! 2012 Workshop Manual page 123

Note
3 parking aid senders are built into the rear bumper cover:
♦
To remove and install the two outer parking aid senders, the
♦
bumper cover must not be removed. The senders can be
reached through the wheel housing.
Removal and installation of the rear parking aid senders from
♦
and in the sender retainers is carried out in the same way for
all senders and is described as follows for just one sender.
Removing
– Switch off ignition and all electrical consumers, and withdraw
ignition key.
Caution
The order for removing the senders must be adhered to under
all circumstances.
The sender may otherwise be damaged. Fractures may occur
if too much pressure is applied to the sender, and this may
cause the sender to fail.
First, remove sender from holder and then release and pull off
connector of sender.
Only for removing and installing the sender in the middle:
– Remove rear bumper cover ⇒ General body repairs, exterior;
Rep. gr. 63 ; Rear bumper; Assembly overview - rear bumper
cover .
Removal and installation of all senders, continued:
– Unclip rubber cap -1- from sender retainer.
– Push fasteners -2- on sender retainer outwards.
– Pull sender -1- with wire connected towards rear and out of
sender retainer.
Note
When removing the sender, make sure that the isolation ring
♦
(black silicone ring) on the sender head does not remain in the
bracket or become lost.
Stretching the isolation ring must be avoided under all circum‐
♦
stances.
up! 2012 ➤
Electrical system - Edition 03.2017
117
8. Parking aid