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Home >> Audi >> 2023 >> A5 Quattro Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 50 (Air Conditioning (Refrigerant R134A Servicing (Refrigerant Circuit - Pressures Checking)) (Coupe)) >> 87 Air Conditioning >> A/C Service Station, Connecting >> Service Station, Connecting On Vehicles With No Connection On Low And High Pressure Side Of Refrigerant Circuit >> Service Station, Connecting With Adapter V.A.G 1785/10 To Refrigerant Circuit

Service Station, Connecting With Adapter V.A.G 1785/10 To Refrigerant Circuit

WARNING: This page is about a different variant/trim than selected.
Fig 1: Connecting With Air Conditioning Adapter Set VAG 1785/10
GWWA87-0004Courtesy of AUDI OF AMERICA, LLC

-- Remove the cap from the connection with valve -A- (at A/C compressor).

-- Attach the O-ring -B- to the connection (8.9 mm; 1.8 mm).

-- Screw the A/C Adapter Set - Adapter 10 V.A.G 1785/10 -C- onto the connection -A-.

-- Install the valve opener -D- with the appropriate seal in the charging hose connection.

NOTE:

The type of valve opener -D- and seals required depends on charging hose used (specific to manufacturer).

The quick-release coupling adapter is not required for connection on the low-pressure side of Audi vehicles.

Screw the charging hose -E- (to the service station) onto the A/C Adapter Set - Adapter 10:V.A.G 1785/10  .

NOTE:

To minimize the amount of air and moisture penetrating into the charging hoses and thus into the refrigerant circuit, the charging hoses should be connected together as shown.

Fig 2: Identifying Charging Hoses Should Be Connected Together
GWWA87-0005Courtesy of AUDI OF AMERICA, LLC

A -

Filler Hose to A/C Service Station

B -

Manual Shut-Off Valve

C -

Charging Hose (short version) with Valve Opener for Connection to Adapter -D-

D -

A/C Adapter Set - Adapter 10:V.A.G 1785/10 

E -

Filler hose (short version) with quick-release coupling adapter (for vehicles with quick-release coupling adapter on low-pressure side).

-- Perform the planned tests and measurements.