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Removing and installing charge pressure sender G31 > < Charge air cooler - exploded view

A4 Mk2

Removing and installing charge air coolers (left and right)
Removing and installing charge air coolers (left and right)
  Note
t  The following description shows the removal and installation of the left-side charge air cooler. The procedure for the right-side charge air cooler is the same.
t  Check all hoses and pipes for correct fitting and leakage before carrying out tests or repairs.
Removing
   
–  Vehicles with auxiliary heater: remove bolts -arrows- securing exhaust pipe for auxiliary/additional heater to noise insulation.
  A10-0407
–  Release quick-release fasteners -1- and -2- and take off front noise insulation.
–  If fitted, open quick-release fasteners -3- and remove rear noise insulation.
–  Remove front bumper cover → General body repairs, exterior; Rep. Gr.63.
–  Remove headlights (left/right) → Electrical system; Rep. Gr.94.
  A10-1320
–  Remove air duct in front of charge air cooler (left/right) -arrows-.
  A21-0199
–  Unplug electrical connector -3- at charge pressure sender -G31-.
  WARNING
The air conditioner refrigerant circuit must not be opened.
–  Disengage refrigerant line -4- at bracket.
–  Open hose clips -1- and -2- and disconnect air intake hoses.
–  Detach charge air cooler by pulling upwards.
Installing
Installation is carried out in the reverse order; note the following:
l  Tightening torques → Chapter „Charge air cooler - exploded view“
  Note
t  Hose connections and hoses for charge air system must be free of oil and grease before assembly.
t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Parts catalogue.
–  Install headlight → Electrical system; Rep. Gr.94
–  Install front bumper cover → General body repairs, exterior; Rep. Gr.63.
–  Check headlight adjustment → Booklet803.
  A21-10004

Removing and installing charge pressure sender G31 > < Charge air cooler - exploded view