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Checking combination valve for secondary air system for proper operation and leakage > < Secondary air system - overview

A4 Mk2

Removing and installing secondary air pump
Removing and installing secondary air pump
Removing
–  Move lock carrier to service position → Chapter.
–  Remove auxiliary radiator (right-side) → Chapter.
   
–  Disconnect hoses -2- and -3- at secondary air pump -1-.
–  Unplug electrical connector -4-.
–  Unscrew nut and detach secondary air pump from bracket.
Installing
Installation is carried out in the reverse order; note the following:
–  Install auxiliary radiator (right-side) → Chapter.
–  Install lock carrier with attachments → Rep. Gr.50.
  A26-0688
–  Allow stop for torque reaction support to rest on rubber buffer for torque reaction support under its own weight and tighten bolts -arrows-.
–  Install bumper cover (front) → Rep. Gr.63.
–  Check headlight adjustment → Booklet803 or → Booklet805.
Tightening torque
  A13-0633
ComponentNm
Secondary air pump to bracket10
Stop for torque reaction support to lock carrier28

   

Checking combination valve for secondary air system for proper operation and leakage > < Secondary air system - overview