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Audi Workshop Service and Repair Manuals

Exhaust system > < Removing and installing parts of charge air cooling system
4-cyl. Diesel Direct Injection Engine (TDI), Mech. Components
Servicing charge air system with exhaust turbocharger
Removing and installing charge air cooler (intercooler)
 
A02-0064

Removing

  • ‒ Remove the front bumper cover:

=> General Body Assembly, Exterior; Repair group 63; Front bumper; Removing and installing front bumper

  • ‒ → Remove centre noise insulation -arrows-.

 
A10-1308
  • ‒ → Remove oil dipstick -1- from guide tube.
  • ‒ Unclip caps.
  • ‒ Unscrew nuts -arrows- and remove engine cover.
  • ‒ Reinsert oil dipstick in guide tube.
 
A13-0502
  • ‒ Detach the cover and the electrical connector at the right headlight unit.
  • ‒ → Disconnect fuel-feed line -2- and fuel-return line -1- at injection pump.
  • ‒ Disconnect the electrical connection -3- at the sender -G71/-G72.
  • ‒ Expose the wiring at the air duct pipe.
  • ‒ Remove the air duct pipe on right side -arrows-.

 
A21-0193
  • ‒ → Unscrew fuel filter bracket from body -4-. The hoses remain connected to the fuel filter.
  • ‒ Detach connectors -2- and -5-.
  • ‒ Remove bolt -1- and nut -3-.
  • ‒ Move washer fluid reservoir to the side. Do not detach hoses.
 
A21-0192
  • ‒ → Disconnect electrical connector at intake manifold pressure sender -1-, where present.
  • ‒ Unscrew bolts -2- for charge air cooler.

 
A21-0194
  • ‒ → Remove lower securing bolt -1- for charge air cooler.
  • ‒ Remove charge air cooler from air duct hose -2- and remove downwards.

Installing

Installation is carried out in the reverse order; note the following:

Notes:

  • ◆ Hose connections and hoses for charge air system must be free of oil and grease before assembly.
  • ◆ Fit new O-rings when damaged.
  • ‒ Install the front bumper cover:

=> General Body Assembly, Exterior; Repair group 63; Front bumper; Removing and installing front bumper

Tightening torque

Component

Nm

Charge air cooler to bracket

10

Exhaust system > < Removing and installing parts of charge air cooling system