Removing and installing front left parking aid sender G255 — VW

Removing and installing
front left parking aid sender
G255
Note
Removal of the four front parking aid senders is carried out in the same way and is only described as follows for one sender.
Removing:
Switch off ignition and all electrical loads, and pull out ignition key.
Remove front bumper cover
General body repairs, exterior
Rep. gr.
63
Front bumper
.
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 disconnect sender connector.
Push fasteners
arrows
on sender holder
1
outwards.
Pull out sender
2
with wiring connected backwards from sender holder
1
.
Note
When removing the sender, ensure the isolation ring (black silicone ring) remains on the sender head and does not remain stuck in the holder or become lost.
Expanding the isolation ring must be avoided under all circumstances.
Release and separate connector
2
and remove sender
1
.
Installing:
Install in the reverse order of removal. When doing this, note the following:
Caution
Expanding the isolation ring must be avoided under all circumstances.
Function problems could occur if an incorrect or damaged isolation ring is used.
Renew damaged isolation rings and always ensure that the correct isolation ring is fitted.
Note
As the front parking aid sender and the park assist steering senders have sender heads of different lengths, isolation rings of different heights are also installed.
Check whether the correct isolation ring is installed on the respective sender head.
Type of sender
Isolation ring height dimension
B
Front parking aid senders
5.7 mm
Park assist steering senders
9.05 mm
Renew isolation ring
1
of sender if necessary.
Assign sender to correct installation position in bumper cover.
Note
Senders are available in different forms and must be assigned to respective fitting location in bumper cover.
When installing senders, note position of electrical connections of senders.
Assignment of parking aid sender on inside of rear bumper cover:
A
Left outer
B
left centre
C
right centre
D
Right outer
Note
When installing the sender, ensure that the isolation ring is correctly mounted on the sender head and does not ride or roll up on insertion into the sender holder.
Both locking lugs of sender holder must audibly engage when installing the sender.
After installing the sender, check that the sender is correctly seated in the holder. Visible on the outer side of the bumper, dimension
a
of the ring gap between the sender head and bumper cover must be even all around.