audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

ABOUT US
4-cylinder TDI unit injector engine (1.9 ltr.; 2.0 ltr. 2-valve), mechanics > < Removing and installing combination valve for secondary air system (left-side)

A4 Cabriolet Mk2

Removing and installing combination valve for secondary air system (right-side)
Removing and installing combination valve for secondary air system (right-side)
   
Removing
–  Pull off engine cover panel (rear) -arrows-.
  A10-1032
–  Remove cover -1- at right of engine compartment.
  A10-1030
–  Unbolt retaining plate -3- for solenoid valves -arrows-.
–  Detach air intake hose -1- at air mass meter -G70-.
–  Disconnect crankcase breather hose -4- at air duct -2-.
  A34-0460
–  Unscrew bolt -arrow- and pull air duct -2- off throttle valve module -J338-.
–  If fitted, disconnect hose -1- from air duct.
  Note
Shown from rear with engine removed for illustration purposes.
  A34-0461
–  Unscrew bolts -1- and -2- and detach combination valve.
–  Disconnect vacuum hose -arrow-.
Installing
Installation is carried out in the reverse order; note the following:
  Note
Renew seals and gaskets.
Tightening torques
  A26-0523
ComponentNm
Combination valve to cylinder head10
Connecting pipe to combination valve10

   

4-cylinder TDI unit injector engine (1.9 ltr.; 2.0 ltr. 2-valve), mechanics > < Removing and installing combination valve for secondary air system (left-side)