Workshop Manuals Factory service & repair Fiat
01 00 General information and technical data02 10 Engine03 18 Clutch04 21 Gearbox and differential05 27 Axle06 33 Braking system07 41 Steering08 44 Suspension and wheels09 50 Auxiliary units10 55 Electrical equipment11 70 Bodywork12 Diagnosis13 Tests14 Wiring diagrams
Fiat Seicento Factory Service Manual (1998-2010)02 · 10 Engine
02 · Engine

Refitting

Make
Fiat
Model
Seicento Factory Service Manual
Year
1998–2010
Section
Emission control system (899) › Refitting
10 EngineRefitting · page 1 of 2

(Cont. Op. 1080B60)

  • Raise the vehicle.
  • Unscrew the lambda sensor and remove.
Diagram showing the lambda sensor location on the exhaust manifold
Diagram of the lambda sensor and its electrical connector

Refitting

  • To obtain a good thermal coupling, apply the grease indicated to the thread of the lambda sensor
TypeComponentNameQty
-GreaseLAMBDA SENSORANTISEIZE MATERIA-BORON NITRIDE N.G.K. SPARK PLUG CO-LTD.-
  • Tighten the lambda sensor to correct torque
FasteningComponentØValue (daNm)
--LAMBDA SENSOR-5.0 - 6.0

When tightening, do not put pressure on the lambda sensor as this could cause irreparable damage.

  • Lower the vehicle.
  • Connect the lambda sensor electrical connection and insert the cable in the mounting.
NameConnector
-Lambda sensorK40
  • Connect the negative (-) battery terminal
NameConnector
-BatteryA1
  • Close the engine compartment.
  • Remove the vehicle from the hoist.

1080B62 - CATALYTIC CONVERTER - R+R

Removal

  • Position the vehicle on a hoist.
  • Open the engine compartment.
  • Disconnect the negative (-) battery terminal.
NameConnector
-BatteryA1
  • Raise the vehicle.
  • Follow Op. 1076B50 Exhaust PIPE attachment to engine/manifold - R+R.
  1. Loosen the exhaust silencer flange nut.
  2. Take out the catalytic converter from the silencer and remove.

Note: To separate the catalytic converter pipe from the exhaust silencer knock it lightly with an aluminium or lead hammer on the catalytic converter front flange.

Diagram showing the catalytic converter installed in the exhaust system under the vehicle

Refitting

  • Insert the catalytic converter completely into the exhaust silencer.
  • Tighten the exhaust silencer flange nut to correct torque
FasteningComponentØValue (daNm)
-NutREAR EXHAUST M8 SILENCER-2.5

(Cont.)

Parts & tools for this job For 1998 Fiat Seicento

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