SEAT Workshop Service and Repair Manuals > Leon Mk1 > Power unit | 4 cylinder Direct injection engine, turbocharger | Exhaust system | Parts of the exhaust system: Removing and installing

Removing and installing Lambda probeG39 and Lambda probe heaterZ19 before catalytic converter

Removing and installing Lambda probe -G39- and Lambda probe heater -Z19- before catalytic converter

Special tools and workshop equipment required

t	Set of flat ring spanners for lambda probes -3337-

Lambda probe -G39- and Lambda probe heater -Z19- before catalytic converter Removing → Anchor

Lambda probe -G39- and Lambda probe heater -Z19- before catalytic converter Fitting → Anchor

Removing

–	Unscrew Lambda probe -G39--1- using tool from Lambda probe open ring spanner set -3337-.

Installing

When installing, note the following:

Note

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	In the case of a used Lambda probe grease only the thread with high-temperature paste. The paste must not get into the slots on the probe body. High-temperature paste → Parts catalogue

t	When assembling, the lambda probe cable must be fixed in its original position to avoid contact with the exhaust pipe.

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