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Exhaust gas recirculation system, engine code BGU > < Removing and installing Lambda probe G39
Removing and installing Lambda probe after catalytic converterG130
Removing and installing Lambda probe after catalytic converter -G130-
Special tools and workshop equipment required
   
t  Lambda probe open ring spanner set -3337-
Removing
  W00-0206
–  Remove 3 bolts of underbody cover on right -arrows-.
  N26-10379
–  Disconnect electrical connector -1- for Lambda probe after catalytic converter -G130-.
–  Remove electrical connector from bracket -2- and move Lambda probe wiring clear.
  A24-0739
–  Unscrew Lambda probe after catalytic converter -G130--arrow- using tool from Lambda probe open ring spanner set -3337-.
Installing
When installing, note the following:
t  When replacing Lambda probe, erase learnt values in engine control unit → vehicle diagnosis tester “Guided fault finding”.
t  New Lambda probes are coated with an assembly paste. The paste must not get into the slots on the probe body.
t  If reusing Lambda probe, lubricate threads of with high temperature paste -G 052 112 A3-. Paste may not come into contact with slots on probe body. High-temperature paste → Electronic parts catalogue (ETKA)
t  When installing, the Lambda probe cable must always be reattached at the same points to prevent it from coming into contact with the exhaust pipe.
t  Specified torque 55 Nm.
  A24-0740

Exhaust gas recirculation system, engine code BGU > < Removing and installing Lambda probe G39