audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

ABOUT US
Removing and installing secondary air pump motor V101 > < Checking combination valve for secondary air system for proper operation and leakage

A4 Mk2

Removing and installing combination valve for secondary air system
Removing and installing combination valve for secondary air system
   
Removing
–  Lift off engine cover -arrows-.
  A10-10331
–  If fitted, detach cover -1- on right of engine compartment.
  A10-1030
–  Detach vent hose -2- leading to exhaust gas recirculation valve -N18-.
–  Disconnect hose -4- for crankcase breather system at air pipe.
–  Remove air pipe -1- and -3-.
  A10-10330
–  Unscrew bolts -1-.
–  Detach hose -2- from combination valve.
–  Detach combination valve.
  Note
Shown from rear with engine removed for illustration purposes.
Installing
Installation is carried out in the reverse order; note the following:
  Note
t  Renew seals and gaskets.
t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Parts catalogue.
Tightening torque
  A26-10138
ComponentNm
Combination valve to connecting flange10

   

Removing and installing secondary air pump motor V101 > < Checking combination valve for secondary air system for proper operation and leakage