Parts for your 2020 Audi Q5-Receiver driers

2020 Audi Q5 receiver-drier: what it does and when to replace it

Based on Audi’s erWin/ELSA workshop information for the Q5 (FY, Rep. Gr. 87 – Air conditioning) and supplier catalogues from Mahle/Behr and Nissens, the 2020 Audi Q5 is fitted with a receiver‑drier that’s integrated into the A/C condenser. Audi training material on R1234yf systems also describes this integrated desiccant design for late‑model vehicles. So yes—this model does use a receiver‑drier, it’s just built into the condenser rather than being a stand‑alone canister.

The receiver‑drier’s job is simple but crucial: it filters debris, stores a small amount of liquid refrigerant, and—most importantly—traps moisture using a desiccant. Moisture inside an A/C loop is bad news, it forms acids, corrodes internals and freezes at the expansion valve, which can send cooling performance all over the place. On the 2020 Q5, the drier is part of the condenser up front, so there’s no separate tin to unbolt.

There isn’t a routine time‑based replacement interval in Audi service schedules. Instead, the drier should be renewed whenever the system has been open to atmosphere, after a compressor failure, if there’s evidence of contamination, or when replacing the condenser itself. On most FY‑series Q5s the desiccant bag isn’t separately serviceable, meaning the whole condenser is replaced. Some aftermarket condensers offer a removable cartridge, but the vehicle’s original fitment is typically a sealed unit—always check the VIN‑specific service info.

Good workshop practice for this Q5 includes:

• Recovering the specified refrigerant (usually R1234yf in AU/NZ markets, some early builds may be R134a—confirm the under‑bonnet label).
• Replacing all disturbed O‑rings with the correct material and sizes, lubricated with the right PAG oil.
• Pulling a deep vacuum and verifying it holds to purge moisture.
• Charging by weight to the exact specification and verifying high/low pressures and vent temps.

Symptoms that point to a saturated or restricted receiver‑drier include weak cooling at idle, erratic pressure readings, excessive compressor cycling, or swarf/debris in the recovered oil. Leaving it too long can shorten compressor life, so it’s smarter to address the drier whenever major A/C work is done. A tidy, moisture‑free system keeps the Q5’s climate control crisp through scorching Aussie summers and brisk Kiwi winters.

Popular questions about 2020 Audi Q5 receiver‑driers

Does the 2020 Audi Q5 have a receiver‑drier and where is it?
Yes. It’s integrated into the A/C condenser assembly mounted at the front of the vehicle, ahead of the radiator. On most FY‑series Q5s, the desiccant isn’t a separate service part, so the condenser is replaced as a unit if the drier is contaminated or saturated.

When should the receiver‑drier be replaced?
Any time the system has been opened to air, after compressor failure, or if moisture/contamination is suspected. There’s no routine interval—replacement is condition‑based. Because it’s integrated, replacing the condenser is typically the correct approach on this model.

Does it use R1234yf or R134a, and does that affect the drier?
Most 2020 Q5s in Australia and New Zealand use R1234yf, check the refrigerant label to be sure. The drier’s role is the same either way—keep moisture and debris out—but service equipment, oil type and procedures differ, so technicians should follow the refrigerant‑specific Audi guidance.