Connection Points Of Refrigerant Lines, Detaching And Assembling: Assembling
Assemble in the reverse order of removal. Note The Following:
-- Replace the O-ring seals -D and G-. Refer to the Parts Information for the different versions.
-- Thoroughly clean the refrigerant lines around the connection area and check for damage.
-- If equipped inspect the alignment pin -F- (not present on all connections) for damage and make sure that it is seated correctly.
Coat the O-ring seals lightly with refrigerant oil prior to installation. Refer to REFRIGERANT CIRCUIT SEALS .
Note the different bolt tightening specifications -A-.
- Bolt tightening specification -A- with a thread "M6" 9 Nm.
- Bolt tightening specification -A- with a thread "M8" 20 Nm.
-- Check the routing of the refrigerant lines after attachment. They must be inserted in the provided brackets in a tension-free manner and must not come in contact with other components.
-- Reinstall the removed components in the reverse order and reattach detached components.
-- Evacuate and fill the refrigerant circuit. Refer to REFRIGERANT CIRCUIT, EVACUATING WITH A/C SERVICE STATION [R134a] /REFRIGERANT CIRCUIT, CHARGING WITH A/C SERVICE STATION [R134a] or REFRIGERANT CIRCUIT, EVACUATING [R1234yf] / REFRIGERANT CIRCUIT, CHARGING [R1234yf] .
-- Retrieve the Front A/C Display Control Head -E87- DTC memory and if necessary delete the displayed error using the Vehicle Diagnostic Tester in the "Guided Fault Finding" function.
-- Operate the A/C system after charging the refrigerant circuit. Refer to A/C SYSTEM, STARTING AFTER CHARGING REFRIGERANT CIRCUIT .
Read the information for starting the A/C system after filling. Refer to A/C SYSTEM, STARTING AFTER CHARGING REFRIGERANT CIRCUIT / A/C SYSTEM, GENERAL INFORMATION or A/C SYSTEM, OPERATING AFTER CHARGING [R1234yf] .