Audi A4: Tools and Equipment
Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning / Tools and Equipment
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Testing Equipment, Tools and Materials
General Information
Note
This list outlines the testers, tools and materials required
for expert refrigerant circuit repair work.
For tools and materials available from the distribution
ce
Commercially Available Tools and Materials
Fin comb
Fill hoses
5/8"-18 UNF thread
Note
Use differently colored charging hoses (1800 mm long).
Have valve opener and spare seals to hand.
A charging hose in short version is also incl
SEE MORE:
Connection for External Multimedia Devices
Overview - Connection for External Multimedia Devices
There are several External Audio Source Connection -R199-
versions:
USB Charging - AUX IN, UE4
AMI (Audi music interface) - USB connection (quantity 2) -
AUX IN/ASI, UI2/UE7
"USB charge" and
"USB connection" are in the USB
Connection Basep
Rear Bumper Cover, Removing and Installing
Special tools and workshop equipment
required
Body Socket -T40078-
Depending on the equipment version, the following additional work must be
performed.
Removing
- Remove the bolts -1-.
- Push the wheel housing liner -3- to
the side.
- Remove the bolt -2-.
- Remove the nut
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