NHTSA ID Number: 10133328
Manufacturer Communication Number: Circular-Emissio
TSB/Document Date: 2018-04-16
Summary
Over time and mileage and under certain conditions, the factory-installed catalysts may not perform as required by Federal regulations. If the effectiveness of a catalyst is reduced, this may result in an increase in tailpipe emissions and the vehicle could fail to pass an emissions inspection. ? Added repair availability for A8 (criteria 4E) and A6 (criteria 4F). ? Updated claiming instructions. ? Note added to repair instructions regarding consequential damage.
2
8D0253115C
Gasket
A8
(criteria 4E)
Model/Criteria
SEE ETKA
2
N 02300313
Nut - Bracket to Catalyst
2
N 90329206
20
N 90894601
Nuts
2
N 91001302
Subframe Bolt
4
N 91024802
6
N 91130801
Nut - Catalysts
2
WHT001011
Coolant line to Alternator O-ring
Quantity
Part Number
Part Description
1.00
079253019JX
Catalyst - Left
1.00
079253020JX
Catalyst - Right
2.00
079253039F
Gasket
2.00
1K0253141N
2.00
8D0253115C
Gasket
A6
(criteria 4F)
SEE ETKA
2.00
N 02300313
Nut - Bracket to Catalyst
20.00
N 90894601
3.00
N 91048401
Subframe Bolt
6.00
N 91130801
Nut - Catalysts
2.00
WHT001011
Coolant line to Alternator O-ring
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 Audi
dealer. 2018 Audi
of America, Inc. and Audi
Canada. All Rights Reserved.
February 2018
26J2 Page 13 of 23
Required Tools
Engine Bung Set
-VAS6122(or equivalent)
Socket and Jointed
Extension - 12mm
-T40220(or equivalent)
-VAS6930-
Engine/Gearbox Jack
Gearbox Support
(or equivalent)
-T10337-
Ring Wrench 7-Piece Set
Torque Wrench 1332
40-200 Nm
-3337(or equivalent)
Engine Support Bridge
-10-222A-
-VAG1332(or equivalent)
Engine Support
Supplement Set
-T40093B-
Engine/Gearbox Jack
Adapter - Wheel Hub
Support
Tensioning Straps
-T10149-
(or equivalent)
-T10038-
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 Audi
dealer. 2018 Audi
of America, Inc. and Audi
Canada. All Rights Reserved.
February 2018
26J2 Page 14 of 23
Pry Lever
-80-200(or equivalent)
Torque Wrench
5-50 Nm
-VAG1331(or equivalent)
Used Oil Collection And
Extraction Unit
Scissor Lift Table
-SMN372500-
-VAS6131B-
(or equivalent)
Scissor Lift Table - Audi![]()
Set
-VAS6131/10-
Scissor Lift Table - Q7 Set
-VAS6131/13-
Puller - Gear Shaft
Linkage
-T40160-
Scissor Lift Table - A8 Set
-VAS6131/11-
Hose Clip Pliers
-VAS6340(or equivalent)
Robinair A/C Service Unit
-ROB134APF-
Wrench - Front Silencer 12mm
-T40252(or equivalent)
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 Audi
dealer. 2018 Audi
of America, Inc. and Audi
Canada. All Rights Reserved.
February 2018
26J2 Page 15 of 23
Repair Instruction
Section A - Check for Previous Repair
•
Enter the VIN in Elsa and proceed to the
“Campaign/Action” screen.
TIP
On the date of repair, print this screen and keep a copy
with the repair order.
•
Confirm the Campaign/Action is open .
If the status is closed, no further work is required.
•
Note the Applicable Criteria ID for use
in determining the correct work to be done and
corresponding parts associated.
Criteria
8T
4E
4F
Section
B
C
D
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 Audi
dealer. 2018 Audi
of America, Inc. and Audi
Canada. All Rights Reserved.
February 2018
26J2 Page 16 of 23
Section B – Repair Procedure: S5 (Criteria 8T)
NOTE
•
S5 with automatic transmission requires to lower the rear of the transmission.
•
S5 with manual transmission after VIN 8T_8_023117 requires only transmission removal.
•
S5 with manual transmission up to VIN 8T_8_023117 requires engine and transmission removal.
•
Refer to the ELSA repair manual for repair
instructions for replacing the left and right
catalysts: Repair manual > Engine > 8Cylinder Direct Injection 4.2L 4V Engine > 26
Exhaust System, Emission Controls >
Emissions Control > Catalytic Converter,
Removing and Installing.
CAUTION
Risk of Consequential Damage
•
All exhaust nuts must be soaked with
penetrating oil prior to removal to avoid
exhaust stud breakage.
•
All exhaust nuts should be removed using
hand tools and not impact tools.
•
Any rusted fastener should also be soaked
with penetrating oil to avoid breakage.
NOTE
All self-locking and torque to yield fasteners must be
replaced.
•
•
Refer to the following subsections regarding
each repair:
o
Subsection 1 – Repair Notes: S5 with
Automatic Transmission
o
Subsection 2 – Repair Notes: S5 with
Manual Transmission after VIN
8T_8_023117.
Proceed to Section E.
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 Audi
dealer. 2018 Audi
of America, Inc. and Audi
Canada. All Rights Reserved.
February 2018
26J2 Page 17 of 23
Subsection 1 – Repair Notes: S5 with Automatic Transmission
•
The oxygen sensors should be removed prior
to raising the vehicle.
•
Remove the bolt and remove the steering
intermediate shaft from the steering
column .
•
Doing so will allow the steering shaft more
room to move when removing the left catalyst.
•
When installing, use a new bolt and torque to
30 Nm + 90°.
•
The left front wheel house liner and
driveshaft cover will need to be 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 Audi
dealer. 2018 Audi
of America, Inc. and Audi
Canada. All Rights Reserved.
February 2018
26J2 Page 18 of 23
•
Subframe heat shields and require
removal.
•
Torque bolts to 9 Nm and bolts to 20 Nm after reinstallation.
•
The left catalyst bracket should be removed
before loosening the ATF line bolts.
•
Removing bolt will allow easier access to
the catalyst-to-manifold nuts.
•
The coolant line does not require removal.
•
Torque bolt to 9 Nm after reinstallation.
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 Audi
dealer. 2018 Audi
of America, Inc. and Audi
Canada. All Rights Reserved.
February 2018
26J2 Page 19 of 23
•
The ATF line has be loosened, but does
not need to be removed from the vehicle.
•
ATF line does not need to be removed or
loosened.
•
When reinstalling bolts, start bolt before
installing bolts .
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 Audi
dealer. 2018 Audi
of America, Inc. and Audi
Canada. All Rights Reserved.
February 2018
26J2 Page 20 of 23
Subsection 2 – Repair Notes: S5 with Manual Transmission after VIN 8T_8_023117
•
The oxygen sensors should be removed prior
to raising the vehicle.
•
The right catalyst can be removed after the
transmission is moved back approximately
100mm and lowered approximately 175mm.
•
The right coolant pipe needs to be loosened,
but does not require complete removal.
Therefore, the right exhaust manifold does not
require removal.
•
Refer to the ELSA repair manual for repair
instructions for replacing the left and right
catalysts: Repair manual > Engine > Engine
Mechanical > 26 Exhaust System, Emission
Controls > Removal and Installation > Left
Exhaust Manifold with Catalytic Converter
AND Right Exhaust Manifold with Catalytic
Converter.
Section C – Repair Procedure: A8 (Criteria 4E)
CAUTION
Risk of Consequential Damage
•
All exhaust nuts must be soaked with
penetrating oil prior to removal to avoid
exhaust stud breakage.
•
All exhaust nuts should be removed using
hand tools and not impact tools.
•
Any rusted fastener should also be soaked
with penetrating oil to avoid breakage.
NOTE
All self-locking and torque to yield fasteners must be
replaced.
•
Proceed to Section E.
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 Audi
dealer. 2018 Audi
of America, Inc. and Audi
Canada. All Rights Reserved.
February 2018
26J2 Page 21 of 23
Section D – Repair Procedure: A6 (Criteria 4F)
•
Refer to the ELSA repair manual for repair
instructions for replacing the left and right
catalysts: Repair manual > Engine > Engine
Mechanical > 26 Exhaust System, Emission
Controls > Removal and Installation > Left
Exhaust Manifold with Catalytic Converter
AND Right Exhaust Manifold with Catalytic
Converter.
CAUTION
Risk of Consequential Damage
•
All exhaust nuts must be soaked with
penetrating oil prior to removal to avoid
exhaust stud breakage.
•
All exhaust nuts should be removed using
hand tools and not impact tools.
•
Any rusted fastener should also be soaked
with penetrating oil to avoid breakage.
NOTE
All self-locking and torque to yield fasteners must be
replaced.
•
Proceed to Section E.
Section E – Campaign Completion Stamp
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 Audi
dealer. 2018 Audi
of America, Inc. and Audi
Canada. All Rights Reserved.
February 2018
26J2 Page 22 of 23
•
Once the campaign has been completed,
the technician should stamp the repair
order.
•
Stamps are available for ordering through
the Compliance Label Ordering Portal.
•
Proceed to Section F.
Item#: AUD4927ENG
-OR-
Item # AUD4927FRE
Section F - Parts Return/Disposal
Properly store (retain), destroy or dispose of removed parts in accordance with all state/province and local
requirements, unless otherwise indicated and/or requested through the Warranty Parts Portal (WPP) for U.S. and
the Part Destruction and Core Disposition Report for Canada.
Proceed to Section G (California only).
Section G – California Only Requirements
CALIFORNIA ONLY Requirements for Emissions Campaigns Having Customer Notification
The California Air Resources Board and the Department of Motor Vehicles (DMV) require emissions-related
campaigns to be completed prior to vehicle registration renewal. When campaign work is done you must provide
the owner with a signed “Vehicle Emission Recall – Proof of Correction” certificate (RC EMIS_CAL VW
).
Certificates can be ordered at no cost online via the Compliance Label Ordering portal at www.accessaudi.com.
TIP
Ensure owners are aware of the importance of retaining the completed certificate for their records. It should be
mailed to the California DMV only upon request.
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 Audi
dealer. 2018 Audi
of America, Inc. and Audi
Canada. All Rights Reserved.
February 2018
26J2 Page 23 of 23
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TSB/Document ID: Circular-Emissio
Replacement Service Bulletin Number:
MFR Communication Date: 2018-02-19
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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