SEAT Workshop Service and Repair Manuals > Leon Mk1 > Power unit | 4 cylinder injection engine (1.6 l engine, roller rocker arms) | Exhaust system

Lambda probes after the catalytic converterG130: Removing and installing

Lambda probes after the catalytic converter -G130-: Removing and installing

Special tools and workshop equipment required

t	Wrench kit -3337-

Removal:

–	Unscrew the 3 screws of the right cover on the vehicle underfloor -arrows-.

–	Disconnect electrical connection -1- for lambda probe after catalytic converter -G130-.

–	Remove the connector from the retainer -2-and release the cable from the Lambda probe.

–	Unscrew the lambda probe after the catalytic converter -G130--arrow- using the tool from the wrench kit -3337-.

Installing

Installation is carried out in the reverse order of removal while noting the following:

Note

t	When replacing the Lambda probe, delete the learnt values in the engine controller → vehicle diagnosis device, „Guided function“.

t	The screw thread on the new lambda probe is coated with a special paste. The paste must not get into the slots on the probe body.

t	When reusing the lambda probe, only grease the thread with hot bolt paste -G 052 112 A3-; the paste must not get into the slots on the sender body Locking fluid for hot working bolts → ETKA (Electronic parts catalogue)

t	When assembling, the Lambda sender line must be fixed in its original position to avoid contact with the exhaust pipe.

t	Tightening torques: 55 Nm

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