Audi A4: Tools and Equipment
Audi A4 (B9) 2016-2025 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:
Water Drain Hoses
Overview - Water Drain Hoses
Overview - Front Water Drain Hoses
1 -
Grommet
Push all the way into the body using a soap solution
2 -
Front Water Drain Hose
Cleaning. Refer to
→ Chapter "Water Drain Hoses, Cleaning".
Removing and installing. Refer to
→ Chapte
Motor compartment
General information
Special care is required if you are working in the
motor compartment
For work in the motor compartment, such as
checking and filling fluids, there is a risk of injury,
scalding, accidents, and burns. For this
reason, follow all the warnings and general
safety precautions provided
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