Removing and installing diesel particulate filter (engine codes BJJ, BJK, BJL, BJM) — VW

Removing and installing diesel particulate filter (engine codes BJJ, BJK, BJL, BJM)
Special tools and workshop equipment required
Torque wrench
V.A.G 1331
Torque wrench
V.A.G 1332
Note
After a new diesel particulate filter has been installed, connect the
Vehicle diagnostic tester
, and carry out function
“Ash mass comparison”
.
Caution
The particulate filter compensator is sensitive to kinking. During transport or removal and installation, ensure that no stress is transferred to bellows element area
arrow
.
Compensator
Removing
WARNING
Risk of burns.
Parts of the exhaust system may be hot.
Allow exhaust system to cool before removing.
With the ignition switched off, disconnect battery earth strap
Rep. gr.
27
.
Remove heater air duct.
Unplug connectors for
Lambda probe
G39
and
temperature sender before particulate filter
G506
.
Cut through any cable ties.
Unscrew control line bracket from turbocharger.
Unscrew upper control line from particulate filter.
Remove silencer and exhaust tailpipe
Chapter
.
Loosen clamp
Item
.
Unscrew lower control line from particulate filter and then detach control line from particulate filter.
Unplug connector for
temperature sender after particulate filter
G527
.
Cut through any cable ties.
Unscrew supports
1
and
2
from particulate filter.
Note
If the particulate filter is re-used, the supports
1
and
2
must be detached from the engine mounting or cylinder block to avoid damaging the bellows element.
Remove bracket
Item
from diesel particulate filter and gearbox, and remove diesel particulate filter downwards.
Installing
Installation is carried out in the reverse order; note the following:
Caution
It is essential to observe the specified installation sequence to avoid damaging the particulate filter.
Note
After a new diesel particulate filter has been installed, connect the
Vehicle diagnostic tester
, and carry out function
“Ash mass comparison”
.
Loosen securing nut on engine bracket support.
Loosen securing bolts on cylinder block support.
Fit new gasket to particulate filter.
Insert particulate filter.
Bolt bracket
Item
to gearbox.
Locate particulate filter on turbocharger.
Start diesel particulate filter securing bolts on bracket
Item
.
Fit new clip.
Locate particulate filter securing bolts on supports
1
and
2
.
Tighten clamp screw.
Tighten securing nut for engine bracket support.
Tighten securing nut for cylinder block support.
Tighten diesel particulate filter securing bolts at supports.
Tighten diesel particulate filter securing bolts at bracket.
Screw lower control line to diesel particulate filter.
Install silencer and exhaust tailpipe
Chapter
.
Attach connector for
temperature sender after particulate filter
G527
and secure line again using cable tie.
Screw upper control line to particulate filter.
Attach connectors for
Lambda probe
G39
and
temperature sender before particulate filter
G506
and secure lines again using cable tie.
Bolt bracket for control lines to turbocharger.
Install heater air duct.
Fit earth strap to battery
Rep. gr.
27
.
Specified torques
Chapter
“
Assembly overview - diesel particulate filter (engine codes BJJ, BJK, BJL, BJM)
”