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Introduction

This tutorial shows you how to replace the catalyst of the 206 1.4 i 75cv.

This operation is not complicated with the right tools.

Before starting and to make the disassembly task easier, spray penetrating oil on the various screws

  1. 
Unscrew the lambda probe from the catalyst, either using a 22 mm flat spanner or a socket.1/2 disassembly of lambda probe"

Unscrew the lambda probe from the catalyst, either using a 22 mm flat spanner or a socket.1/2 disassembly of lambda probe"
  2. 
Remove the screws that secure the catalyst to the exhaust pipe

Remove the screws that secure the catalyst to the exhaust pipe
    • Remove the screws that secure the catalyst to the exhaust pipe

  3. 
Remove the 4 nuts that hold the catalyst to the manifold. To do this, use a socket wrench with an extension and a 13 mm socket.

Remove the screw holding the catalyst to the chassis using a universal joint wrench and a 16 socket.

Remove the catalyst
    • Remove the 4 nuts that hold the catalyst to the manifold. To do this, use a socket wrench with an extension and a 13 mm socket.

    • Remove the screw holding the catalyst to the chassis using a universal joint wrench and a 16 socket.

    • Remove the catalyst

    • Finally remove the metal seal (photo 3)

  4. 
Comparing the two catalysts

Grease the new screws

Place the new metal gasket provided on the manifold
    • Comparing the two catalysts

    • Grease the new screws

    • Place the new metal gasket provided on the manifold

    • Position the new catalyst on the manifold, placing a nut to hold it in place as well as the screw holding it to the chassis.

    • Place the other 3 nuts and tighten them all

  5. 
Place the supplied gasket on the end of the catalyst
    • Place the supplied gasket on the end of the catalyst

    • Connect the catalyst to the exhaust pipe

    • Place the new screws + spring provided and tighten

  6. 
Finally, replace the lambda probe previously greased with graffiti and screw
    • Finally, replace the lambda probe previously greased with graffiti and screw

  7. 
Once assembled, remember to remove the sticker
    • Once assembled, remember to remove the sticker

Finish Line

4 other people completed this guide.

Louis LEVEQUE

Member since: 03/12/2018

145 Reputation

2 Guides authored

8 Comments

Hello, to change the catalyst, do you have to put the car on a lift?

dupremarc - Reply

Hello, nice tutorial! Do you have to lower the front bumper? Thanks

benbasile01 - Reply

Hello. Thank you. No need to lower the bumper.

Louis LEVEQUE -

Hello, I would like to carry out the operation on a 2000 Saxo 1.4 i petrol. Are they the same engines? Thank you.

Sincerely

Fabrice

fabrice rousseau - Reply

Good morning,

I put some WD40 on it 24 hours before my surgery. That must have helped because I had no trouble unscrewing it. Plus I was in a pit so no more strength.

Courage

Louis LEVEQUE - Reply

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