NHTSA ID Number: 10128353
Manufacturer Communication Number: 37H8 - Bulletin
TSB/Document Date: 2018-02-05
Summary
Over time, affected vehicles may develop gearbox noise due to an insufficient supply of oil within the gearbox.
Hand-tighten all bolts first, starting with bolts
, then bolts , in sequence.
•
Follow the
sequence:
installation
and
tightening
o
First hand tighten bolts : Tighten
the bolts to 40 Nm.
o
Then hand tighten bolts : Tighten
the bolts to 40 Nm.
•
Insert the driveshaft with the flexible disc on
the bevel box flange shaft. When positioning,
make sure that the seal in the
centering bushing is not damaged.
•
Attach the driveshaft to the bevel box flange
and install the bolts . Tighten the
bolts to 50 Nm + 90°.
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. 2017 Audi of America, Inc. and Audi Canada. All Rights Reserved.
May 2017
34H8 Page 38 of 52
•
Attach the bevel box heat shield .
•
Tighten the lower bolt with the threaded stud
to 40 Nm.
•
Tighten the upper bolt to 20 Nm.
Reinstall the subframe:
•
Slowly raise the subframe up into position just
enough to reconnect the steering gear
electrical harness and reinstall the steering
gear heatshield.
•
The removal of the locating pins is reverse of
installation, noting the following:
o
Only remove one locating pin at a time
and replace each with a new bolt.
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. 2017 Audi of America, Inc. and Audi Canada. All Rights Reserved.
May 2017
34H8 Page 39 of 52
•
Reinstall the steering gear electrical harness
fastener.
•
Reconnect the wiring harness onto the
steering gear .
•
Route all wiring and harness connections,
around the subframe the remainder of the way.
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. 2017 Audi
of America, Inc. and Audi Canada. All Rights Reserved.
May 2017
34H8 Page 40 of 52
•
Reconnect the connectors onto the
steering gear.
•
Route the electrical connector and harness for
the oil level sensor through the subframe.
•
Reinstall the bolts and install the
heat shield onto the steering gear.
•
Lift the subframe further and carefully install
the subframe onto the locating pins .
•
Make certain that the locating pins do not
move during the reinstallation of the subframe
or the vehicle alignment may be compromised.
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. 2017 Audi of America, Inc. and Audi Canada. All Rights Reserved.
May 2017
34H8 Page 41 of 52
•
Install the new subframe bolts
in order. Tighten to 70Nm + 180° turn.
•
Only remove one locating pin and install one
subframe bolt at a time.
•
Install new subframe bolts in
order and tighten to 50Nm +90° turn.
For Vehicles with Level Control System Sensor:
•
Reconnect the connector to the Left Front
Level Control System Sensor -G78- and/or
Right
Front
Level
Control
Sensor
-G289-.
•
Install the pendulum support with new bolts
on the transmission.
•
Tighten the new bolts to 50Nm + 90°.
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. 2017 Audi of America, Inc. and Audi Canada. All Rights Reserved.
May 2017
34H8 Page 42 of 52
•
Install new hex nuts onto the right and left
coupling rod .
•
Tighten the coupling rod nuts to 65 Nm.
•
Install the new ball joint nuts on the
left and right side of the vehicle.
•
Tighten the nuts to 100 Nm.
•
Reinstall the exhaust system bracket onto the
subframe and tighten the bolts to 23
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 Audi dealer. 2017 Audi of America, Inc. and Audi Canada. All Rights Reserved.
May 2017
34H8 Page 43 of 52
•
Reinstall the selector lever cable.
•
The selector lever cable lock washers and Orings must be replaced. Install new
cable lock washers.
•
Adjust the selector lever cable if necessary.
•
Reconnect the connector for the Oil Level
Thermal Sensor -G266- .
•
Install a new bolt for the universal joint
and tighten the bolt to 20 Nm + 90°.
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. 2017 Audi of America, Inc. and Audi Canada. All Rights Reserved.
May 2017
34H8 Page 44 of 52
•
Reinstall the footwell trim panel and install the
nuts .
•
Remove the securing tape from the steering
column and verify no residue was left.
If tape residue exists, clean the surface with a
suitable cleaner.
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. 2017 Audi of America, Inc. and Audi Canada. All Rights Reserved.
May 2017
34H8 Page 45 of 52
•
Reinstall the starter . Tighten the bolts to 40Nm, and reconnect electrical
connections to the starter.
•
If equipped, reconnect the ground connection.
•
Connect the connector from the DSG
Transmission Mechatronic -J743- as follows:
o
The arrow on the Mechatronic
must line up with the connector
as well as with the tab .
o
Connect the connector carefully
all the way and then turn the lock
clockwise in the direction of .
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. 2017 Audi of America, Inc. and Audi Canada. All Rights Reserved.
May 2017
34H8 Page 46 of 52
•
If equipped, reinstall the nut and bolt
on the coolant pipe and tighten to 9 Nm.
•
Reinstall the transmission coolant valve and
tighten the bolts to 9 Nm.
•
Reinstall the electrical connector
•
Reinstall the coolant hoses and reconnect the
clamps .
•
Remove the -3094- coolant hose clamps.
•
Reinstall the battery tray and tighten the
fasteners to 9 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 Audi dealer. 2017 Audi of America, Inc. and Audi Canada. All Rights Reserved.
May 2017
34H8 Page 47 of 52
•
Reinstall the battery, reinstall the hold down
clamp and tighten the hold down clamp
bolt to 15 Nm.
•
Reconnect the positive battery cable terminal
and tighten the nut to 6 Nm.
•
Reconnect the negative battery cable and
tighten the nut to 6 Nm.
•
Reconnect all wiring harness connections and
ventilation tubes, if equipped.
NOTE
For vehicles with trunk mounted batteries, reconnect
the negative terminal. The battery will still be
installed in trunk mounted applications.
•
Carefully reinstall the air filter housing .
•
Reconnect the vacuum hose .
•
Reconnect the clamp .
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. 2017 Audi of America, Inc. and Audi Canada. All Rights Reserved.
May 2017
34H8 Page 48 of 52
•
Reinstall the coolant hose .
•
Connect the locking mechanism on
the air guide upper section .
•
Reinstall the bolts and tighten to 6
Nm.
•
Reconnect the locks and reinstall the
cover .
•
Reinstall the engine cover.
•
In order to prevent causing damage, do not hit
the engine cover with your fist or tool.
•
Position the engine cover while paying
attention to the oil filler tube and oil dipstick.
•
Press the engine cover into the rubber
grommets on the left side first, then into the
ones on the right side.
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. 2017 Audi of America, Inc. and Audi Canada. All Rights Reserved.
May 2017
34H8 Page 49 of 52
•
Top off the coolant reservoir to account for any
coolant lost during removal of the transmission
cooler lines.
•
Verify the DSG transmission fluid level using
ODIS test plan. Add fluid as necessary.
•
Recheck coolant level after the engine is
warm.
•
Reinstall the front and rear noise insulation.
•
Connect the ODIS diagnostic tester and clear
any faults found.
•
Adapt and code the new Mechatronics as
needed.
•
For vehicles with a vehicle level sensor,
perform the basic setting for the wheel
damping electronics. Refer to Vehicle
Diagnostic Tester.
•
Reset all customer convenience settings (onetouch power windows, clock, radio presets,
etc).
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. 2017 Audi of America, Inc. and Audi Canada. All Rights Reserved.
May 2017
34H8 Page 50 of 52
•
Proceed to Section C
Section C – Campaign Completion Stamp
•
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 D
Item#: AUD4927ENG
-OR-
Item # AUD4927FRE
Section D - 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).
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. 2017 Audi of America, Inc. and Audi Canada. All Rights Reserved.
May 2017
34H8 Page 51 of 52
Appendix A – Warning and Safety Precautions
WARNING
•
Risk of injury and accident by accidentally engaging a selector lever position with the engine running.
•
Move the selector lever into “P” and set the parking brake before working on a running engine.
•
Risk of injury if the engine starts automatically in vehicles with a Start/Stop System.
•
o
For vehicles with an activated Start/Stop System (recognizable from a notification in the instrument
cluster), the motor can be started automatically if needed.
o
Always make sure the Start/Stop System is disabled when working on the vehicle (ignition switched
off, if needed, turn the ignition back on).
There is a risk of an accident due to distractions and improperly secured testing equipment. Always secure
testing equipment to the rear seat with a strap and have a second technician operate it in the rear seat.
o
Risk of the front passenger airbag deploying during an accident. Technicians should not operate
testing equipment from the front passenger seat during a road test.
o
Operating testing equipment while driving is a distraction.
o
Testing equipment that is not secured properly increases the risk of personal injury.
CAUTION
•
Risk of destroying electronic components when disconnecting the battery. Follow the steps when
disconnecting the battery.
•
Always turn off the ignition before disconnecting the battery.
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. 2017 Audi of America, Inc. and Audi Canada. All Rights Reserved.
May 2017
34H8 Page 52 of 52
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: 37H8 - Bulletin
Replacement Service Bulletin Number:
MFR Communication Date: 2017-05-25
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- [Notice] When you receive a used device, it may be a customer return resold by Amazon without inspection. You can exchange it for a new one through Amazon. As this situation is unavoidable, we sincerely apologize. For any issues, contacting us via Amazon's "Messages" is the best way. THINKSCAN 689BT Bidirectional Scan Tool Can Be Used Immediately After It is Turned On, Without Complicated Registration Process, Which is More Convenient & Quick.
- Full Bi-Directional Control & 3000+ Active Tests: Take control and test components like actuators, fuel injectors, relays, and cooling fans in real time. You’ll quickly see if the problem is in the part itself or the control module — saving you hours of guesswork and frustrating trial-and-error.
- Advanced ECU Coding Capabilities: Handle module matching and hidden feature activation with confidence. When you replace an ECU or want to customize settings, this obd2 scanner diagnostic bi directional tool gives you the professional-level capabilities you need without the dealership price tag.
- 34+ Useful Reset and Maintenance Functions: Complete everyday service tasks smoothly with a wide range of helpful reset and maintenance functions. Whether you’re keeping up with regular upkeep or tackling a specific job, this scanner makes maintenance simpler and less stressful for both DIYers and pros.
- Comprehensive Full System Diagnostics: Diagnose every major system — Engine, Transmission, ABS, SRS, TPMS, and more — all in one place. Finally stop wondering if you’re missing something important; get the full picture and clear codes with ease.
- Top Reasons to Choose the D7S OBD2 Scanner: XTOOL D7S car scan tool, an upgrade of XTOOL D7, offers comprehensive features for automotive technicians, workshops, and DIY enthusiasts 1. Upgraded Hardware: 2+64GB memory, rear camera, intuitive interface, foldable bracket 2. Complete Diagnostics: FCA
Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU c0ding, PMI functions 4. Wide Compatibility: Support 10,000+ models, covering 99% vehicle brands 5. Multi-language: Available in 22+ languages, No IP Restrictions 6. 3-Year Updates: Save 300 bucks on software updates for the latest features and optimizations - 2026 Upgraded D7S Car Scanner Features: The newly 2026 D7S V2.0 scanner for car brings exciting features for advanced vehicle diagnostics and enhanced user experience 1. FCA AutoAuth: Now supports FCA SGW module for Chrysler, for Jeep, for Dodge (2018+), for Fiat (2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Pr0gramming): Allows for Ford, for Lincoln, and for Mazda ECU pr0gramming for new modules 3. Optimized Diagnostic Report 2.0: Personalized reports with logos and customer info for auto shops. Note: Compatibility varies by cars, please check before order
- 39+ Services/Resets/Adaptations/Relearns/Calibrations: XTOOL D7S full system car scanner diagnostic tool tackles 99% of common car issues through its 36+ special functions, including Oil Reset, EPB, SAS, BMS, Throttle Reset, Injector C0ding, ABS Bleed, TPMS Reset, Power Balance, etc and also covers specific-vehicle functions like Crank Sensor Relearn, ABS Initialization, Cylinder Power Balance, Fuel Trim Reset, Idle Relearn etc. This car diagnostic scanner enhances efficiency, making repairs and maintenance hassle-free. Tip: DO NOT for All vehicles, please check compatibility first
- Cost-effective ECU C0ding Scan Tool for Specific Brands: Enhance your vehicle's performance with XTOOL D7S! This obd2 scanner all systems bidirectional offers advanced capabilities at an affordable price, supports online for BMW, for Benz and offline for BENZ, for MIT, along with PMI functions for Ford, for Mazda, and for Lincoln. Ideal for technicians and DIY enthusiasts, this automotive scanner diagnostic tool optimizes vehicle performance and enhances the driving experience. Note: Not for all cars and modules, please send car VIN to check the compatibility before purchase
- OE All System Diagnostic & 8 Pids Graphing: XTOOL D7S is a comprehensive all system bi directional obd2 scanner that delivers dealer-level diagnostics, completely controlling over your vehicle’s performance and health. This automotive scan tool can read and clear DTCs, view live data and ECU information, retrieve freeze frames, and perform active tests and full obd2 functions. This bi-directional scan tool can can identify your vehicle's make, model, and year information with just one click and show up to 8 PIDs live data with options for CSV viewing, playback, and recording for in-depth analysis. It is easy-to-use for both professionals and beginners, helping pinpoint issues efficiently
- 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABS/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABS/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities.
- 【✨10 OBD2 Functions】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
- 【✨Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warning lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
- 【✨6 Essential Resets: ABS Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming.
- 【✨10,000+ Car Models, AutoVIN, 13 Languages】The BOSSCOMM IF745 vehicle scanner diagnostic tool covers 73+ global car brands and offers support in 13 languages, making it perfect for DIYers, auto mechanics, or as a thoughtful gift. With a single-click AutoVIN feature, it instantly retrieves vehicle serial numbers, streamlining diagnostics for users globally. This adaptable tool balances user-friendliness with precision, catering to both personal and professional requirements.✅Unsure about compatibility? Compatibility will vary on vehicles' model and year, pls reach us via 📧 [email protected] 📧 before purchase.
This product presentation was made with AAWP plugin.