SEAT Workshop Service and Repair Manuals > Leon Mk1 > Power unit | 4-cylinder engine (2.0l 4V turbo engine, with direct diesel injection) | Exhaust system | Components of the exhaust system: Removing and installing

Lambda probe after catalytic converterG130 and Heater for lambda probe 1, after the catalytic converterZ29: Removing and installing

Lambda probe after catalytic converter -G130- and Heater for lambda probe 1, after the catalytic converter -Z29-: Removing and installing

t	Removing → Anchor.

t	Installing → Anchor.

Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda → Chapter.

Special tools and workshop equipment required

t	Spanner -U 40080-, see equivalent → Anchor

t	Torque wrench (40 - 200 Nm) -V.A.G 1332-, see equivalent → Anchor

Removing

–	Unscrew bolt -arrow- and remove coolant expansion reservoir. Keep coolant lines connected.

–	Remove the electrical connector -1- form the lambda probe after the catalytic converter -G130- and the heating for lambda probe 1 after the catalytic converter -Z29-.

–	Loosen all line holders on lambda probe -G130--1-.

–	Unbolt the Lambda probe after the catalytic converter -G130--1- using the Spanner -U 40080- .

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	With used lambda probes, heat the bolt before coating with paste. The paste must not get into the slots on the probe body. For high-temperature paste refer to → Parts catalogue.

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

t	Tightening torque: 55 Nm.

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