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Ignition system, glow plug system > < Removing and installing Lambda probe G39 with Lambda probe heater Z19

A3 Mk2

Removing and installing exhaust gas pressure sensor 1G450
Removing and installing exhaust gas pressure sensor 1 -G450-
   
Removing
–  Lift off outer engine cover panel -1- by pulling up evenly.
  A10-10366
–  Unplug electrical connector -arrow-.
–  Unbolt pressure sensor from bracket.
–  Identify hoses on exhaust gas pressure sensor 1 -G450--item 1- for re-installation.
  Note
Shown from rear with engine removed for illustration purposes.
–  Release hose clips and spray both hoses with silicone-free lubricant.
–  Carefully disconnect the hoses from their connections (take care to keep the hoses straight: the connections can break off easily).
Installing
Installation is carried out in the reverse order; note the following:
  Note
Secure all hose connections with the correct type of hose clips (same as original equipment) → Parts catalogue.
–  Blow through hoses (towards particulate filter) with compressed air.
–  Connect hoses to exhaust gas pressure sensor 1 -G450- according to markings made earlier.
Tightening torque
  A26-10188
ComponentNm
Exhaust gas pressure sensor 1 -G450- to bracket8

   

Ignition system, glow plug system > < Removing and installing Lambda probe G39 with Lambda probe heater Z19