REAR EXPANSION VALVE WITH Hybrid Battery Refrigerant Shut-Off Valve 2 -N517-, REMOVING AND INSTALLING, Vehicles with 2.0L Hybrid: Installing

Fig 1: Identifying Connection Pipes -C- And -E- Leading To Evaporator And Expansion Valve Connections

Courtesy of AUDI OF AMERICA, LLC

Installation is done is reverse order, observe the following:

-- Clean the connection pipe -C- and -E- leading to the evaporator and the expansion valve connections and check for damage.

NOTE:

The expansion valve is available in different versions (same housing but a different control characteristic). Therefore, to ensure the exact allocation.

Follow the instructions for installing the O-rings. Refer to REFRIGERANT CIRCUIT SEALS .

-- Replace the O-ring seals -B- and -F-. Allocate correct version.

-- Coat the O-ring seals lightly with refrigerant oil before installing. Refer to REFRIGERANT CIRCUIT SEALS .

-- Make sure the retaining plate -D- fits correctly on the connection pipes -C- and -E- leading to the evaporator.

-- Tighten the bolts -G-.

Tightening specification: 10 Nm.

-- Install the refrigerant lines for the battery cooling module in the luggage compartment. Refer to REFRIGERANT LINES FOR BATTERY COOLING MODULE IN LUGGAGE COMPARTMENT, REMOVING AND INSTALLING .

-- Install the remaining removed components.

-- Evacuate the refrigerant circuit and fill it. Refer to USING SERVICE STATION . For additional information, refer to OVERVIEW - REFRIGERANT CIRCUIT, NOT OPENING THE REFRIGERANT CIRCUIT, VEHICLES WITH HIGH VOLTAGE SYSTEM and OVERVIEW - REFRIGERANT CIRCUIT, OPENING THE REFRIGERANT CIRCUIT, VEHICLES WITH HIGH VOLTAGE SYSTEM (Refrigerant R134a, Servicing; Refrigerant Circuit, Using Service Station).

-- Turn on the ignition.

-- Check the DTC memory for the Climatronic Control Module -J255- display and control head and erase any displayed malfunctions, if necessary using the Vehicle Diagnostic Tester in the "Guided Fault Finding " function.

-- A/C System, Operating after Filling Refrigerant Circuit. Refer to A/C SYSTEM, STARTING OPERATION AFTER FILLING REFRIGERANT CIRCUIT .

NOTE:

Observe the information regarding operating the A/C system after filling. Refer to A/C SYSTEM, OPERATING AFTER CHARGING , (Refrigerant R134a, Servicing; A/C System, General Information). After charging the A/C system before activating the A/C system.