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6-cylinder TDI engine (2.7 ltr.; 3.0 ltr. 4-valve common rail), mechanics > < Silencers

A5

Removing and installing combination valve for secondary air system (left-side)
Removing and installing combination valve for secondary air system (left-side)
Removing
  Note
Fit all cable ties in the original positions when installing.
–  Remove front silencer (left-side) → Chapter.
–  Remove plenum chamber partition panel → Rep. Gr.50.
   
–  Remove electrical connector -1- for Lambda probe 2 after catalytic converter -G131- from bracket, unplug and move wiring clear.
  Note
Disregard items marked -2, 3, 4- and -arrows-.
  A24-10515
–  Remove nuts -arrows- and bolt -1-, detach catalytic converter (left-side) from exhaust manifold and move to rear.
  A26-10415
–  Remove bolts -arrows- and detach heat shield -1-.
  A26-10585
–  Remove bolts -3- for secondary air system hose.
–  Detach vacuum hose -2- from combination valve for secondary air system.
–  Unscrew bolts -1- and detach combination valve for secondary air system.
Installing
l  Tightening torque → Chapter, → Fig.
Installation is carried out in the reverse order; note the following:
  Note
Renew gasket.
–  Install catalytic converter (left-side) → Chapter.
–  Install plenum chamber partition panel → Rep. Gr.50.
  A26-10424

6-cylinder TDI engine (2.7 ltr.; 3.0 ltr. 4-valve common rail), mechanics > < Silencers