Desiccant Bag/Dryer Cartridge, Removing And Installing, All Excluding RS 6/ RS 7: Removing
Vehicles with High-Voltage System
-- Switch off (deactivate) the "parking air conditioner". Refer to Owner's Manual.
-- Switch the ignition on.
-- Initiate the basic setting of the A/C system using the Thermal Management Control Module -J1024- and open the electric valves using the routine Refrigerant Circuit, Extract, Evacuate and Fill in the Vehicle Diagnostic Tester.
-- Switch the ignition off.
Continuation for All Vehicles
-- Discharge the refrigerant circuit. Refer to Refrigerant Circuit or Working with A/C Service Station (1 Of 2) / Working with A/C Service Station (2 Of 2) .
All vehicles (excluding 4-Cylinder TDI, S6/S7 TFSI)
-- Remove the lock carrier cover. Refer to OVERVIEW - BUMPER COVER .
-- Remove the bolts -arrows- and air duct -1-.
4-Cylinder TDI, S6/S7 TFSI
-- Remove the bumper cover end plate. Refer to OVERVIEW - BUMPER COVER .
All
Danger of frostbite due to refrigerant coming out under pressure.
Frostbite on the skin and other parts of the body is possible.
- Wear safety gloves.
- Wear protective eyewear.
- Evacuate or drain refrigerant and open the refrigerant circuit immediately.
- If more than 10 minutes elapse after extracting or draining the refrigerant and the refrigerant circuit was not opened, extract or drain the refrigerant again. Pressure develops in the refrigerant circuit due to evaporation.
-- Remove the plug -A-.
-- Remove the desiccant bag from the condenser -B-.
-- Seal the open connection on receiver/dryer of the condenser with plug -A- (to prevent dirt and moisture from getting in).