Refrigerant Lines To Rear Battery Cooling Module, Removing And Installing, On Vehicle Floor: Installing
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.
-- Replace the O-ring seals -4-. Allocate correct 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 remaining removed components.
-- Electrical connections and routing. Refer to the appropriate SYSTEM WIRING DIAGRAM.
-- 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 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).
-- 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 .
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.