REAR EXPANSION VALVE WITH Hybrid Battery Refrigerant Shut-Off Valve 2 -N517-, REMOVING AND INSTALLING: 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.

-- 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 Hybrid.

-- 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 .