A/C Compressor Regulator Valve -N280-, EMOVING AND INSTALLING, AND REPLACING: Installing

WARNING: This page is about a different car, the 2024 Audi SQ7, 2024 Audi Q7, 2023 Audi SQ7, and 2023 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

-- Check the mount from the A/C compressor -C- for contamination and if necessary carefully and thoroughly clean the with a clean lint-free towel.

CAUTION:

Contamination in the open A/C compressor or damage to the sealing surfaces in the mount.

Risk of a new failure of the regulator valve or the A/C compressor.

- Carefully clean the A/C compressor mount using only a clean, lint-free cloth (do not use compressed air).

- Make sure while cleaning the mount that no dirt gets into the area underneath the sealing surface for the seal or the existing channels and none of the mount sealing surfaces become damaged.

-- Check the A/C compressor mount -C- for damage (also pay attention to small scratches on the surface, if there is damage, replace the A/C compressor).

-- Check the seal -E-,-F-,-G- and -H- on the A/C Compressor Regulator Valve A/C Compressor Regulator Valve -N280- -B- for damage.

-- Carefully coat the seal -E-,-F-,-G- and -H- on the A/C Compressor Regulator Valve A/C Compressor Regulator Valve -N280- -B- lightly with refrigerant oil and check for correct seating.

-- Insert the A/C Compressor Regulator Valve -N280- -B- all the way into the A/C compressor mount -C-.

-- Install the circlip -A-.

-- Re-install all removed parts in the reverse order.

-- Assemble, evacuate and recharge the refrigerant circuit. Refer to WORKING WITH A/C SERVICE STATION .

-- Check the A/C system function. Refer to Refrigerant Circuit (vehicle-specific service information).