Refrigerant Lines To Front Battery Cooling Module, Removing And Installing, On Vehicle Floor: Installing

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Installation is carried out in the reverse order while observing the following.

NOTE:

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

Following attachment, check routing of refrigerant lines. They must be inserted in holders provided and not make contact with other components.

-- Replace the O-ring seals -4-. For the correct version. Refer to the Parts Information.

Fig 1: Identifying Refrigerant Line Connection Components

Courtesy of AUDI OF AMERICA, LLC

-- Clean the refrigerant line connections -3 and 5- and inspect them for damage.

-- Make sure the O-rings -4- sit correctly inside the grooves of the respective mount.

-- Check the alignment pin -2- (not present on all connections) for damage and make sure that it is seated correctly.

-- Tighten the bolts -1-.

-- Install the remaining removed components.

-- Electrical connections and routing. Refer to Wiring Diagram.

-- Evacuate the refrigerant circuit and fill it. Refer to REFRIGERANT CIRCUIT (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.

-- Operate the A/C system after filling the 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, GENERAL INFORMATION (Refrigerant R134a, Servicing; A/C System, General Information). After charging the A/C system before activating the A/C system.