Removing and installing NOx sender G295 with control unit for NOx sender J583 — VW

Removing and installing
NOx sender
G295
with
control unit for NOx sender
J583
Special tools and workshop equipment required
Engine support
T10533
Socket AF 22 mm
T10491
Removing
Remove engine cover panel
Chapter
.
Remove
NOx sender
G295
on emission control module
Anchor
.
Remove
control unit for NOx sender
J583
remove wiring harness to free some space
Anchor
.
Remove
NOx sender
G295
and
control unit for NOx sender
J583
Anchor
.
Removing
NOx sender
G295
on emission control module:
Remove noise insulation
General body repairs, exterior
Rep. gr.
66
Noise insulation; Assembly overview - noise insulation
.
Remove plenum chamber cover
General body repairs, exterior
Rep. gr.
50
Plenum chamber bulkhead; Assembly overview - plenum chamber cover
.
Remove bulkhead
General body repairs, exterior
Rep. gr.
50
Bulkhead; Assembly overview - bulkhead
.
Remove pendulum support
Chapter
.
Unbolt front exhaust pipe from emission control module
Chapter
.
Remove radiator cowl
Chapter
.
Install
protective mat
VAS 531003
to vehicle as shown in illustration.
Release and pull off connector
arrow
on
oil level and oil temperature sender
G266
.
Release and pull off connector
6
on
auxiliary pump for heating
V488
.
Vehicles with four-wheel drive:
Remove propshaft on bevel box
Rep. gr.
39
Propshaft; Assembly overview - propshaft
.
Continuation for all vehicles:
Fit
engine support
T10533
as shown in illustration, and tighten bolts by hand.
Bolt
3
= original bolt for pendulum support.
Screw a bolt M8 x 30 mm
1
with a washer
2
into threaded hole of noise insulation.
A
flat side
B
high side
Push engine with
engine support
T10533
towards front.
Detach wiring harness for
NOx sender
G295
from retainers.
Unscrew
NOx sender
G295
arrow
with
socket AF 22 mm
T10491
.
Remove
NOx sender
G295
on emission control module.
Removing
control unit for NOx sender
J583
and wiring harness to free some space:
Release and unplug electrical connector
4
.
Unclip connector
arrow
on bracket.
Unscrew bolts
2
.
Detach wiring harness from retainers
arrows
.
Place
control unit for NOx sender
J583
1
together with bracket onto emission control module.
Removing
NOx sender
G295
and
control unit for NOx sender
J583
:
Release and unplug electrical connector
2
.
Unbolt plastic retainer
3
on bracket
4
.
The plastic retainers are destroyed upon removal.
Remove
control unit for NOx sender
J583
.
Detach wiring harness from retainers
arrows
.
Unscrew
NOx sender
G295
arrow
on emission control module
Anchor
.
Installing
Installation is carried out in the reverse order; note the following:
Renew plastic retainers
3
Electronic Parts Catalogue
.
Push plastic retainers onto sides of
control unit for NOx sender
J583
until they can be heard to engage
Item
.
Make sure that the plastic retainers are properly seated in guide.
Slide
control unit for NOx sender
J583
together with plastic retainers onto studs until it rests against bracket
2
.
Fit engine cover panel
Chapter
.
Specified torques
Chapter
“
Assembly overview -
NOx sender
G295
with
control unit for NOx sender
J583
”
Chapter
“
Assembly overview - Lambda probe
”
Chapter
“
Assembly overview - radiator cowl and radiator fan
”
Chapter
“
Assembly overview - assembly mountings
”
Rep. gr.
39
Propshaft; Assembly overview - propshaft
General body repairs, exterior
Rep. gr.
66
Noise insulation; Assembly overview - noise insulation
.
General body repairs, exterior
Rep. gr.
50
Plenum chamber bulkhead; Assembly overview - plenum chamber cover
General body repairs, exterior
Rep. gr.
50
Bulkhead; Assembly overview - bulkhead
.