Tightening Specifications
Installation is carried out in the reverse order while observing the following.
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.
Also pay attention to the battery cooling module condensation water drain when installing. Refer to BATTERY COOLING MODULE CONDENSATION WATER DRAIN, REMOVING AND INSTALLING .
-- Replace the O-ring seals depending on the version.
-- 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 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, VEHICLES WITH HIGH VOLTAGE SYSTEM .
-- Install the remaining removed components.
-- Electrical connections and routing. Refer to the Appropriate Wiring Diagram.
-- Evacuating and recharging refrigerant circuit. Refer to Refrigerant Circuit, Evacuating & Refrigerant Circuit, Charging .
-- Turn on the ignition.
-- Check the Diagnostic Trouble Code (DTC) memory for the Climatronic Control Module -J255- display and control head and erase any displayed malfunctions, if necessary. Use 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 the information regarding operating the A/C system after filling. Refer to A/C SYSTEM, STARTING OPERATION AFTER FILLING REFRIGERANT CIRCUIT .