Refrigerant Lines, Disconnecting And Connecting To A/C Compressor: Removing
-- Discharge the refrigerant circuit. Refer to Refrigerant Circuit (Refrigerant R134a Servicing, Refrigerant Circuit, Working with A/C Service Station) or Working with A/C Service Station (1 Of 2) / Working with A/C Service Station (2 Of 2) .
-- Remove the air guide from the lock carrier. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING [CNTC, CYFB] / AIR FILTER HOUSING, REMOVING AND INSTALLING [DAZA] .
Risk of damaging the refrigerant lines and hoses.
- Do not bend, twist or stretch the refrigerant lines and hoses.
-- If necessary, remove the front noise insulation. Refer to Noise Insulation .
Not necessary on vehicles on which the refrigerant lines are accessible from above.
Continuation for Audi TT RS:
-- If necessary, loosen the coolant hoses -1- from the bracket and carefully push toward the rear.
-- Remove the bolts -2- (for example using the Door Adjusting Wrench - Joint : 3320/1 ).
-- Remove the refrigerant lines.
Continuation for All Vehicles (Except TT RS):
-- Remove the bolts -2 and 4- using the Door Adjusting Wrench - Joint :3320/1 and remove the refrigerant lines -1 and 3-.
Continuation for All Vehicles:
-- Seal the open lines and connections with clean plugs from the Engine Bung Set :VAS6122 .
Risk of destroying the A/C compressor.
- The A/C compressor is always driven when the engine is running; there is no A/C clutch. Therefore the engine may only be started when the refrigerant circuit has been properly assembled.
- For example, if the refrigerant lines are not connected to A/C compressor and the connections are sealed, the A/C compressor may heat up so much when the engine is running that the A/C compressor will be destroyed by internal heat generation.