hydraulics, coolant and refrigerant, brake fluid
and vacuum.



Ensure that there is sufficient clearance to all
moving or hot components.

CAUTION
The bracket for the engine cover on the cylinder head
cover may break off if improperly removed. Always
remove the engine cover panel according to the
following instructions.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2017 Volkswagen Group of America, Inc. All Rights Reserved.
November 2017

23U3 Page 23 of 75



Pull engine cover up out of fastening elements
near in order shown. To do this, grip as
far as possible beneath engine cover.



Disconnect »orange« connector for exhaust gas
temperature sender 2 -G448- and »black«
connector for oxygen sensor -G39- on
plenum chamber bulkhead.



Remove wiring from retainer and move
clear.

TIP
Take a photo of this area now for help with harness
routing during reinstallation later.



Disconnect »brown« connector for exhaust gas
temperature sender 3 -G495- (secured
behind bracket).



Thread lines out of brackets on plenum
chamber bulkhead and on turbocharger.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2017 Volkswagen Group of America, Inc. All Rights Reserved.
November 2017

23U3 Page 24 of 75



Pull connector off differential pressure
sensor -G505- .



Remove securing bolt , remove bracket
with differential pressure sensor -G505- in
and move aside. Control
lines remain connected.



Unscrew securing bolt on upper bracket for
particulate filter.



Open fasteners on heat insulation for
exhaust pressure sensor 1 -G450-.



Open heat insulation for wiring and remove.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2017 Volkswagen Group of America, Inc. All Rights Reserved.
November 2017

23U3 Page 25 of 75



Pull connector off exhaust pressure sensor 1
-G450- and remove securing bolt .



Cut control line to exhaust gas recirculation
cooler with an appropriate tool (e.g. utility knife)
at the line indicated in figure.



Move bracket with exhaust pressure sensor 1
-G450- aside (control line to particulate filter
remains connected).

TIP
Bundle the loose harnesses with tape or similar
means. Place harnesses on top of the DPF to prevent
them from catching on vehicle while removing the DPF.



Remove bolts .



Pull noise insulation back, out of front
bumper cover .

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2017 Volkswagen Group of America, Inc. All Rights Reserved.
November 2017

23U3 Page 26 of 75



Unscrew bolts and remove heat shield for
right drive shaft.

NOTE
Unscrew securing nuts above bracket with ratchet
wrench -T10384-. In some cases, the bracket cannot
be removed until the particulate filter has been
detached.


Remove nuts and remove lower
bracket for particulate filter .



Open clamp and remove it.

NOTE
The exhaust gas recirculation filter is removed
after the particulate filter has been removed.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2017 Volkswagen Group of America, Inc. All Rights Reserved.
November 2017

23U3 Page 27 of 75

NOTE
Position of clamp may vary. If necessary, use 5
mm bit with ball head (e.g. T10058).


Loosen and remove clamp connecting
turbocharger and particulate filter.



Unscrew nuts and pull underbody
cladding on right down slightly.



Disconnect »brown« connector for oxygen
sensor after catalytic converter -G130- .
Remove plug from retainer.



Open fasteners on heat shield, pull connector
off exhaust door control unit -J883- and
thread wiring out of retainers .

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2017 Volkswagen Group of America, Inc. All Rights Reserved.
November 2017

23U3 Page 28 of 75



Disconnect connector . Take electrical wire
from exhaust gas temperature sensor 4 -G648 on heat shield out of clip and
bracket and move to side.



Remove bolts from exhaust system
bracket on subframe.



Remove bolts and remove right drive
shaft from transmission. Rest drive shaft on front
axle.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2017 Volkswagen Group of America, Inc. All Rights Reserved.
November 2017

23U3 Page 29 of 75



To fix the position of the subframe, the locating
pins -T10096- must be screwed one at a time
into positions .

NOTE
The locating pins -T10096- may be tightened only to
max. 20 Nm, or the threads of the locating pins will be
damaged.

NOTE

Severe Damage RISK!
When installing the subframe locating pins -T10096-, it
is possible to damage the subframe mount threads
due to the normal variance in alignment. Damage to
the subframe mount threads would be an extensive,
body-shop repair that is not covered under this action.
Only use hand tools for this process. If the locating
pins bind, they should be backed out, threads cleaned
and restarted.



One at a time, remove securing bolts on
mounting bracket and replace them with locating
pins -T10096- on both sides. Tighten locating
pins to 20 Nm.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2017 Volkswagen Group of America, Inc. All Rights Reserved.
November 2017

23U3 Page 30 of 75



One at a time, replace bolts in brackets with
locating pins -T10096-. Tighten locating pins to
20 Nm.

TIP
The position of the front axle is now fixed.



Turn steering wheel to straight-ahead position
and remove ignition key to engage steering
wheel lock.



If the vehicle has the keyless locking and starting
system “Keyless Access”, switch off ignition and
open driver door to engage steering wheel lock.



Remove bolts and remove footwell trim .

CAUTION
Never perform the following actions if the U-joint has
been separated from the electromechanical steering
mechanism:
 Switching ignition on
 Turning steering mechanism
 Turning steering column
These points must always be complied with
because these actions can cause irreparable
damage to the clock spring or other items that are
not covered under this action.


Remove bolt from U-joint and pull
off U-joint in .

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2017 Volkswagen Group of America, Inc. All Rights Reserved.
November 2017

23U3 Page 31 of 75



Remove bolts for pendulum support
from gearbox.



Unscrew hexagon nut on left and right from
coupling rod .



Pull coupling rod on the left and right out of
anti-roll bar .

TIP
Apply penetrating oil to the hexagon nut to aid in
removal.



Place engine and gearbox jack -VAS 6931-
under subframe.
NOTE

Secure the subframe in position on the engine and
gearbox jack -VAS 6931- using the included retaining
strap if you are NOT utilizing the Screw Nuts -3346/3and Spindles -3346/2- listed in the next steps.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2017 Volkswagen Group of America, Inc. All Rights Reserved.
November 2017

23U3 Page 32 of 75

Optional method for securing, raising, and lowering
the subframe utilizing Screw Nuts -3346/3- and
Spindles -3346/2- :


Install Screw Nuts -3346/3- by hand as
shown onto spindles -3346/2- to the end of
threads as shown.
NOTE

The purpose of including and utilizing special tools
Screw Nuts -3346/3- and Spindles -3346/2- in this
work instruction is to allow greater clearance and
working area in and around the subframe during the
DPF removal. These tools and subsequent operation
steps are not required, but recommended.

NOTE
For clarity of illustration, the following steps are shown
without the engine and gearbox jack in position.


Unscrew bolts .



Screw in spindles 3346/2 by hand until
distance equals 90 mm.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2017 Volkswagen Group of America, Inc. All Rights Reserved.
November 2017

23U3 Page 33 of 75



Lower subframe about 5cm and remove bolt
on the wire harness bracket for steering gear.



If utilizing the Screw Nuts -3346/3- and Spindles
-3346/2-, lower the engine and gearbox jack
-VAS 6931- and completely remove it from
work area.
TIP

The subframe is now supported by spindles 3346/2.


If NOT utilizing Screw nuts -3346/3- and Spindles
-3346/2-, lower the subframe approximately
90cm using the engine and gearbox jack
-VAS 6931- , taking care to not damage or
overextend any wiring, tubing, or other
components that could be damaged. The engine
and gearbox jack -VAS 6931- will remain in
position for the duration of the subframe
operations if the Spindles -3346/2- are not used.



Remove hexagon nuts from front tunnel
cross-piece and remove tunnel cross-piece.



Remove securing clamp between NOx storage
catalytic converter and exhaust door control unit
-J883-.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2017 Volkswagen Group of America, Inc. All Rights Reserved.
November 2017

23U3 Page 34 of 75



With the help of a second technician, remove
particulate filter. Do this by turning the
particulate filter out of center tunnel. Note
electrical wiring and components when doing
this.



Open clamp and remove exhaust door
control unit .



Remove nut and bolts , and remove
exhaust gas recirculation filter.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2017 Volkswagen Group of America, Inc. All Rights Reserved.
November 2017

23U3 Page 35 of 75

Assemble particulate filter as follows before
installation:
CAUTION
If transportation lock was not included among items
supplied, ensure that flexible joint is fixed with
transportation lock -T10404- to prevent damage to the
flex pipe.


1 - Position control line and screw in union nut
hand-tight.



2 - Position retainer for control line, screw in bolt,
tighten to 9 Nm and then tighten union nut to 45
Nm.



3 - Attach connecting hoses from differential
pressure sensor -G505- as shown and secure
with spring clamps.



4 - Screw in oxygen sensor -G39- and tighten to
52 Nm.



5 - Screw in exhaust gas temperature sensor 2
-G448- (connector color: orange, angled 110°)
and tighten to 45 Nm.



6 - Screw in exhaust gas temperature sensor 3
-G495- (connector color: brown) and tighten to 45
Nm.



7 - Screw in exhaust gas temperature sensor 4
-G648- (connector color: beige, angled 90°) and
tighten to 45 Nm.



8 - Set heat shield in position and check that it is
properly seated . Tighten nuts to 10
Nm.

TIP
Before the installation of the newly assembled
filter, place the new and old assembly side-byside for comparison.

NOTE
When installing the exhaust gas temperature sensors
to the DPF, it is possible to install the sensors in
the wrong locations. Sensors installed in the wrong
positions will not function properly. Pay attention to the
sensor color coding when installing sensors
into the DPF.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2017 Volkswagen Group of America, Inc. All Rights Reserved.
November 2017

23U3 Page 36 of 75

NOTE
When “bench-installing” the exhaust gas temperature
sensors to the DPF, the edge of the lower bracket
can damage the sensor wires if they are
allowed to get underneath the bracket while positioning
the DPF. Pay special attention to the sensor wiring to
prevent damage to these sensors.



Press bracket in onto pins of
particulate filter. The bracket edge which tapers
towards the ends must face upwards.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2017 Volkswagen Group of America, Inc. All Rights Reserved.
November 2017