Removing and installing exhaust gas temperature sender 2 G448 — AUDI

Removing and installing
exhaust gas temperature sender 2
G448
Special tools and workshop equipment required
Tool set
T10395 A
Suitable tool insert, AF 19
Removing
WARNING
When working on all parts of the exhaust system:
Observe safety precautions when working on the exhaust system
Chapter
“
Safety precautions when working on the exhaust system
”
.
Note
Re-fit all cable ties and heat insulation sleeves in the same locations when installing.
When removing, the electrical wiring must not be cut, otherwise a fault diagnosis would no longer be possible.
Remove engine cover panel
Chapter
.
Open heat insulation sleeve
1
.
Unplug electrical connectors
3, 4, 6
and move electrical wiring clear.
Detach electrical connector
5
for
exhaust gas temperature sender 1
G235
from bracket, unplug connector and move electrical wiring clear.
Remove bolt
2
and press bracket with pressure differential senders towards front.
If fitted, open heat shield sleeve.
Detach electrical connector
arrow
for
exhaust gas temperature sender 2
G448
from bracket, unplug connector and move electrical wiring clear.
Unscrew
exhaust gas temperature sender 2
G448
arrow
using a tool from
tool set
T10395 A
.
Installing
Installation is carried out in the reverse order; note the following:
Caution
Risk of malfunctions caused by improperly secured exhaust gas temperature senders.
The
exhaust gas temperature sender 2
G448
has a coated thread. It is important that you do NOT coat it additionally with high-temperature paste and that you tighten it to the specified torque.
Note
Take care to protect exhaust gas temperature sender from knocks and impact; if dropped, the exhaust gas temperature sender can no longer be used.
Installation position of
exhaust gas temperature sender 2
G448
:
Angled part of line must point vertically downwards.
Electrical connections and routing
Electrical system
Rep. gr.
97
Relay carriers, fuse carriers, electronics boxes; Overview of fitting locations - relay carriers, fuse carriers, electronics boxes
and
Current flow diagrams, Electrical fault finding and Fitting locations
.
Install engine cover panel
Chapter
.
Tightening torques
Chapter
“
Exploded view - exhaust gas temperature control
”
Chapter
“
Exploded view - cylinder head cover
”