Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Adapter Set -V.A.G 1785/1-10
- Adapter for cleaning refrigerant circuit (flush with refrigerant R134a. Refer to REFRIGERANT CIRCUIT, FLUSHING WITH REFRIGERANT R134A or blow through with compressed air and nitrogen, refer to REFRIGERANT CIRCUIT, FLUSHING WITH COMPRESSED AIR AND NITROGEN .
A - 5/8" 18 UNF thread for conical seal
B - Union nut (for connection with O-ring) with thread
- M 18x1.5 -V.A.G 1785/1-
- M 20x1.5 -V.A.G 1785/2-
- M 24x1.5 -V.A.G 1785/3-
- M 28x1.5 -V.A.G 1785/4-
A - 5/8"-18 UNF thread for conical seal
B - Threaded connection for O-ring
- M 18x1.5 -V.A.G 1785/5-
- M 20x1.5 -V.A.G 1785/6-
- M 24x1.5 -V.A.G 1785/7-
- M 28x1.5 -V.A.G 1785/8-
Valve Adapter
A - 5/8"-18 UNF thread for conical seal
B - Internal threads with valve opener M 10x1.25 -VAG 1785/9- (for connections with valve on high pressure side) M 12x1.5 -VAG 1785/10- (for connections on low pressure side)
A Schrader valve is screwed into connection -A-.
A valve opener must be installed in the charging hose connection.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.