REFRIGERANT LINES, DISCONNECTING AND CONNECTING AT A/C COMPRESSOR, Vehicles with 3.0L and 3.2L: Removing
-- Turn off the ignition.
-- Discharge the refrigerant circuit. Refer to USING SERVICE STATION . For additional information, refer to OVERVIEW - REFRIGERANT CIRCUIT, NOT OPENING THE REFRIGERANT CIRCUIT, VEHICLES WITHOUT HIGH VOLTAGE SYSTEM and OVERVIEW - REFRIGERANT CIRCUIT, OPENING THE REFRIGERANT CIRCUIT, VEHICLES WITHOUT HIGH VOLTAGE SYSTEM (Refrigerant R134a, Servicing; Refrigerant Circuit, Using Service Station).
Depending on the allocation of the service connection to the refrigerant line and vehicle version, it may be necessary to remove the left additional reinforcement on the tower brace so that the service coupling of the A/C service station can be connected (for example, on the Audi Q5). Refer to OVERVIEW - SUSPENSION STRUT WITH MOUNTING BRACKET, SHOCK ABSORBER FORK, UPPER CONTROL ARM AND TOWER BRACE and USING SERVICE STATION . For additional information, refer to OVERVIEW - REFRIGERANT CIRCUIT, NOT OPENING THE REFRIGERANT CIRCUIT, VEHICLES WITHOUT HIGH VOLTAGE SYSTEM and OVERVIEW - REFRIGERANT CIRCUIT, OPENING THE REFRIGERANT CIRCUIT, VEHICLES WITHOUT HIGH VOLTAGE SYSTEM (Refrigerant R134a, Servicing; Refrigerant Circuit, Using A/C Service Station).
-- Remove the engine cover -arrows-.
-- Remove the oil dipstick -1- (if equipped).
-- Remove the air guide hose and the hose clamp -3-.
-- Disconnect the connector -4-.
-- Remove the bolts -2- and then the Throttle Valve Control Module -J338-.
-- Disconnect the connector -1- for the A/C Compressor Regulator Valve -N280-.
Risk of damaging refrigerant lines and hoses.
- Do not stretch, kink or bend refrigerant lines and hoses.
-- Remove the bolts -2- and -3- and remove the refrigerant lines from the compressor.
Close open lines and connections on A/C compressor using suitable caps (to prevent possible penetration of dirt and moisture).
On vehicles with a gasoline engine and dynamic steering, depending on the installed position of the suction hose on the power steering pump and on the work procedure, use a commercially available long socket (if available, best with a ball head to loosen and tighten the bolt -2- on the refrigerant line. Move the suction hose carefully to the side while doing this (refer to OVERVIEW - VEHICLES WITH DYNAMIC STEERING, Vehicles with 4-Cylinder TFSI Engine or OVERVIEW - VEHICLES WITH DYNAMIC STEERING, Vehicles with 6-Cylinder FSI Engine ), or loosen the A/C compressor from the bracket to remove the refrigerant lines. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING .