LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> Air Conditioning (Refrigerant R134A Servicing) (1 Of 2) >> 87 Air Conditioning >> Tools And Equipment >> Commercially Available Tools And Materials

Commercially Available Tools And Materials

Fin Comb

Fig 1: Fin Comb
GWWV87-0430Courtesy of AUDI OF AMERICA, LLC

Fill Hoses

Fig 2: A/C Charging Hoses
GWWV87-0135Courtesy of AUDI OF AMERICA, LLC

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 included in Refrigerant Circuits Adapter Set 1 :VAS6338/1  .

Connection Piece for Refrigerant Cylinder with Seal, Quick-Release Coupling Connection or Threaded Connection 5/8" - 18 UNF

Fig 3: Connection Piece For Refrigerant Cylinder With Seal
GWWV87-0146Courtesy of AUDI OF AMERICA, LLC

Valve Caps with Spare Seals (for 5/8"-18 UNF thread)

Fig 4: Identifying Valve Caps With Spare Seal
GWWV87-0122Courtesy of AUDI OF AMERICA, LLC

Seals can also be used for charging hoses.

NOTE:

Valve caps with spare seals are also included in Refrigerant Circuits Adapter Set 1 :VAS6338/1  .

Pressure Gauge Set with Pressure Reducer for Nitrogen (Max. Reducing Pressure: 15 bar (218 psi))

Fig 5: Identifying Pressure Gauge Set With Pressure Reducer For Nitrogen (Maximum Reducing Pressure: 15 Bar)
GWWV87-1244Courtesy of AUDI OF AMERICA, LLC
  1. Pressure gauge set
  2. Pressure hose (inner diameter 5 mm, length 2 m)
  3. Nitrogen
  4. Hose fitting
NOTE:

For connection to A/C Adapter Set :VAG1785  with 5/8"-18 UNF thread

Quick-Release Coupling Adapter for Service Connections

Fig 6: Identifying Quick-Release Coupling Adapter For Service Connections
GWWV87-1468Courtesy of AUDI OF AMERICA, LLC
NOTE:

This quick-release coupling is delivered with the service station.