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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 >> Refrigerant Circuit >> Refrigerant Circuit, Determining Leaks >> Leak Detection On Refrigerant Circuit Using Leak Detection System Vas 6201 >> Add UV-leak detection additive using the in the refrigerant circuit.

Add UV-leak detection additive using the in the refrigerant circuit.

WARNING: This page is about a different variant/trim than selected.

Special tools and workshop equipment required 

Leak Detection Kit VAS 6201A contains the following tools. Refer to the Parts Information (Tools; Special Tools and Equipment: A/C and Heating).

Fig 1: Identifying Leak Detection System VAS 6201
GWWA87-0494Courtesy of AUDI OF AMERICA, LLC
  1. Leak Detection Kit - Hand Pump w/Cartridge -VAS 6201/1-
  2. Leak Detection Kit - Cartridge -VAS 6201/2- (with UV leak detection additive)
  3. Leak Detection Kit - Cleaning Solution -VAS 6201/3-
  4. UV-leak Detection Lamp -VAS 6201/4A-
  5. Leak Detection Kit - Eye Protection -VAS 6201/6-
  6. Leak Detection Kit - Sticker -VAS 6201/7-
  7. Leak Detection Kit - Filler Tube -- VAS 6201/8 
  8. Leak Detection Kit - Hand Protection -VAS 6201/9-
NOTE:

Instructions for how to pour the UV-leak detection additive into the refrigerant circuit using the Leak Detection Kit -VAS 6201A- are given in the following. If the UV-leak detection additive is added to the refrigerant circuit with the help of other tools (for example, with the A/C service station) read the applicable operating instructions.

The following is the specified amount of UV-leak detection additive that is to be added to a refrigerant circuit with a refrigerant oil quantity of 100 to 150cm 3 using the Leak Detection Kit -VAS 6201A- (2.5 ± 0.5 cm3 ). If the refrigerant oil capacity in the refrigerant circuit is larger, then more UV-leak detection additive must be added accordingly (for example, 5.0 ± 0.5 cm3 for a refrigerant circuit with a refrigerant oil capacity of 250 cm 3 . For the relevant refrigerant oil quantities in the refrigerant circuit. Refer to Refer to APPROVED REFRIGERANT OILS AND REFRIGERANT OIL CAPACITIES .

If the UV-leak detection additive is added to the refrigerant circuit with the help of other tools (for example, with the A/C service station), observe the prescribed quantities of UV-leak detection additive given in the corresponding operating instructions.

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