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.
Release the locking mechanism in direction of
and remove the air guide upper
section .
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 10 of 52
•
Disconnect the vacuum hose .
•
Loosen the clamp and remove the air
guide hose.
•
Carefully remove the air filter housing .
•
Turn the steering wheel to the straight-ahead
position and remove the ignition key so that
the steering wheel lock engages.
•
Turn the steering wheel so that the wheels are
in the straight-ahead position and then tape it
secure so that it cannot turn.
•
Vehicles with “Keyless Access Authorization
System”:
o
Switch the ignition off and open the
driver door so the steering wheel lock
locks.
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 11 of 52
Battery, Removing
•
Turn off the ignition and all electrical
equipment.
•
Remove the ignition key, if equipped.
•
Open the heat protection sleeve cover.
•
Open the cover over the battery negative
terminal.
•
Loosen the nut a few turns and disconnect
the battery ground cable terminal clamp
from the battery negative terminal.
•
Open the cover over the battery positive
terminal.
•
Loosen the nut several turns and remove
the battery positive cable terminal from
the battery positive terminal.
•
Pull the heat protection sleeve slightly
upward.
NOTE
For vehicles with trunk mounted batteries,
disconnect and isolate the negative terminal before
proceeding with this repair. It will not be necessary
to remove trunk mounted batteries.
•
Remove the bolt from the bracket .
•
Remove the bracket .
•
Remove the Battery in the direction of
travel from the battery tray and lift it upward out
of the engine compartment.
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 12 of 52
Versions with transmission ventilation:
•
Detach the transmission ventilation from
the battery tray and set aside by releasing the
catch and removing the transmission
ventilation upward in direction of .
•
Free up the wiring harness from the battery
tray .
•
Remove the bolts and nut .
•
Remove the battery tray .
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 13 of 52
•
If equipped, remove the nut and bolt .
•
Free up the coolant pipe .
•
If equipped, remove the nut from the
upper bolt of the Starter.
•
Remove the ground cable .
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 14 of 52
•
Disconnect the connector by sliding the
retainer back and pressing the release down.
•
Remove the cap .
•
Remove the nut and terminal 30/B+.
•
Remove the starter bolts . Remove
the lower bolt first.
•
Remove the starter upward.
NOTE
There is a risk of damaging the DSG Transmission
Mechatronic -J743- with static electricity. Do not
touch contacts in DSG Transmission Mechatronic
-J743- connector with hands.
•
Discharge
static
electricity
before
disconnecting
the
DSG
Transmission
Mechatronic -J743- connector. To discharge
any static electricity, touch the vehicle ground
with hand (without wearing a glove).
•
Release the connector twist lock for the
Mechatronic by turning it counter-clockwise (in
the direction of the starter) and remove the
connector.
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 15 of 52
•
Remove the footwell trim panel by removing
the nuts .
•
Remove the bolt for the universal joint
and then remove the universal joint 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 16 of 52
•
Remove the front and rear noise insulation.
•
Disconnect the connector for the Oil Level
Thermal Sensor -G266- and free up
the wire from the subframe.
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 17 of 52
•
Remove the bolts on the bracket for
the exhaust pipe.
•
If equipped, disconnect the connector
from the Left Front Level Control System
Sensor -G78- or Right Front Level Control
Sensor -G289-.
•
Remove the front wheels.
•
Remove the ball joint nuts on the left
and right side of the vehicle.
•
Remove the control arm from the ball joint.
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 18 of 52
•
Remove the left and right nuts from the
coupling rod
•
Remove the left and right coupling rod
from the stabilizer bar .
•
Remove tie rod end nut.
•
Remove the tie rod end from the wheel bearing
housing using tool -T10187-.
•
Remove the bolts on the pendulum
support.
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 19 of 52
•
Place the -VAS6931- under the subframe.
•
Place for example a block of wood
between -VAS6931- and subframe.
•
Clean the -T10486A- threads if necessary.
NOTE
There is a risk of damaging the subframe threaded
connection threads on the body. The subframe bolts
on the body must not be loosened or tightened with
an impact wrench.
CAUTION
•
When locating the subframe, the locating pins
(-T10486-) must be installed one at a time. Do
not remove the next subframe bolt until the
locating pin is installed.
•
The -T10486- may only be tightened to a
maximum of 20 Nm, otherwise the threads of the
locating bolts will be damaged.
•
Remove bolt and install -T10486-.
•
Remove bolt and install -T10486-.
•
Remove bolt and install -T10486-.
•
Remove bolt and install -T10486-.
•
The subframe is now located.
For Audi A3 Cabrio:
•
Remove the left and right underbody panel.
•
Remove the left and right bolts and
then remove the diagonal brace .
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 20 of 52
•
Loosen the bolts for the left
and right support .
•
Slowly lower the subframe just enough to gain
access to the steering gear heat shield and
connectors. Do not put tension on the wiring.
•
Free up the cable guide from the subframe, to
do this remove the expanding clip .
•
Remove the bolts and remove the
heat shield from the steering gear.
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 21 of 52
•
Disconnect the connectors from the
steering gear.
NOTE
When lowering the subframe, be sure to route the oil
level sending unit wiring harness through the
subframe before lowering any further to avoid
damaging the connector.
•
Secure the subframe to the -VAS6931- with
the accompanying strap and lower the
subframe.
•
Clamp off coolant hoses on transmission oil
cooler with -3094-.
•
Loosen the hose clamps , remove
the coolant hoses from the transmission fluid
cooler.
•
Seal the open lines and connections with clean
plugs from the -VAS6122-.
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 22 of 52
•
Remove the nuts , and remove the
bracket from the oil pan.
NOTE
The threaded bolts are welded to the front of the oil
pan.
•
Remove all the bolts in the transmission to
engine connection that are accessible from
above.
NOTE
The bolt is located in the opening for the starter.
Remove the plenum chamber cover:
•
Remove the windshield wiper arms.
•
Remove the seal .
•
Coat the transition between the windshield
and the plenum chamber cover with
some soapy water. Starting at the window
edge, carefully remove the plenum chamber
cover vertically upward from the retainer on
the windshield.
•
Remove the plenum chamber cover by
carefully removing the plenum chamber cover
tab in the direction of from the
windshield mount .
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 23 of 52
•
Remove caps above the front suspension strut
bolted connections.
•
Place the -10-222A/31-1- and -10-222A/31-2on the suspension strut mounts with the ribs
facing the direction of travel.
•
Position the -10-222A/4- with -T40091/3- as
shown in the illustration.
•
Install the additional tools on the left in the
engine compartment as illustrated.
•
Attach the left -10-222A/11- carabiner hook to
the engine lifting eye .
•
Slightly tension the engine/transmission
assembly with the spindle, do not lift.
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 24 of 52
•
Remove the nut and remove the
ground wire.
•
Remove the left and right drive axles from the
transmission by removing the bolts .
•
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.