A/C Compressor Regulator Valve -N280-, REMOVING, 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 A/C compressor mount -C- and the circlip groove for dirt, and if necessary, clean them carefully and thoroughly with a clean, lint-free cloth.

CAUTION:

Danger of another A/C Compressor Regulator Valve A/C Compressor Regulator Valve -N280- -B- or A/C compressor failure due to dirt in the A/C compressor or damage to the sealing surfaces in the mount.

If necessary, carefully clean the A/C compressor mount -C- using only a clean, lint-free cloth (do not use compressed air).
Make sure while cleaning the mount -C- that no dirt gets into the area underneath the O-ring sealing surface -F- 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 O-rings -F, G, H- and -E- (if equipped) of the A/C Compressor Regulator Valve A/C Compressor Regulator Valve -N280- -B- for damage.

-- Coat the O-rings -F, G, H- and -E- (if applicable) of the A/C Compressor Regulator Valve A/C Compressor Regulator Valve -N280- -B- lightly with refrigerant oil and check for proper seating.

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

-- Install the new circlip -A- and check for proper seating in the groove.

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

-- Evacuate and refill the refrigerant circuit. Refer to A/C SERVICE STATION, USING .

NOTE:

Should the refrigerant oil escape with the A/C Compressor Regulator Valve A/C Compressor Regulator Valve -N280- -B- removed, add this amount of refrigerant oil while filling the refrigerant oil with the A/C service station. Refer to A/C SERVICE STATION, USING .

-- Check the A/C system function. Refer to PRESSURES, CHECKING and Refrigerant Circuit (vehicle-specific repair information).