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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (4.2L - Engine Mechanical, Engine Code(S): BHF) >> 19 - Engine - Cooling system >> Cooling system components, removing and installing >> Radiator, removing and installing

Radiator, removing and installing

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Special tools, testers and auxiliary items required 

Fig 1: Drip Tray For VAS 6100, VAS 6208
GW00008744Courtesy of VOLKSWAGEN UNITED STATES, INC.

Removing 

NOTE:
  • Drained coolant must be stored in a clean container for disposal or reuse.
  • When assembled correctly, radiator and condenser can show slight impressions on fins. This is not damage. Radiators or condensers should not be replaced because of slight impressions like these.
CAUTION: Cover cap of expansion tank with rag and open carefully, as hot steam i.e. hot coolant may escape when opening.
Fig 2: Removing Quick-Release Fasteners, Screws And Noise Insulation
GW00018071Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 3: Removing Right Air Guide In Front Of Auxiliary Cooler
GW00018073Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 4: Removing Left Air Guide In Front Of Auxiliary Cooler
GW00018072Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 5: Removing Drain Plug On Coolant Thermostat Housing
GW00018074Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 6: Disconnecting Lower Coolant Hose From Radiator
GW00017432Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 7: Removing Cover In Engine Compartment (Right Side)
GW00017582Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 8: Identifying Evaporative Emission Canister Purge Regulator Valve N80 And Air Duct
GW00004732Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 9: Disconnecting Top Coolant Hose From Radiator
GW00018076Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 10: Removing Bolts On Left/Right Air Guides At Cooler
GW00017282Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 11: Removing Power Steering Hydraulic Oil Cooling Pipe
GW00018294Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 12: Removing Coolant Fan Control (FC) Control Module J293 From Radiator
GW00018295Courtesy of VOLKSWAGEN UNITED STATES, INC.
CAUTION: The air conditioning refrigerant circuit must not be opened.
NOTE:
  • To prevent damage to condenser and also to the refrigerant lines/hoses, ensure that the pipes and hoses are not stretched, kinked or bent.
Fig 13: Disconnecting Electrical Harness Connector At High Pressure Sensor G65
GW00018296Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 14: Releasing Both Radiator Retaining Pins And Removing By Pulling Upward
GW00017384Courtesy of VOLKSWAGEN UNITED STATES, INC.

Installing 

Installation is in reverse order of removal, note the following:

NOTE:
  • Complete coolant must be replaced if the radiator was replaced.

Torque specifications 

Component Nm
Condenser to radiator 10
Cooling coil to radiator 10
Coolant Fan Control (FC)Control Module J293 to radiator 10
Drain plug to coolant regulator housing 25