Renault Koleos Service Repair Manual: Catalytic converter: Removal - Refitting

Renault Koleos Service Repair Manual / Engine and peripherals / Exhaust / Catalytic converter: Removal - Refitting

M9R

Exhaust

IMPORTANT Consult the safety and cleanliness advice and operation recommendations before carrying out any repair.

REMOVAL

I - REMOVAL PREPARATION OPERATION

  • Position the vehicle on a two-post lift.
  • Disconnect the battery.
  • Remove:
    • the engine cover
    • the windscreen wiper arms
    • the scuttle half-grille
    • the windscreen wiper mechanism
    • the scoop under the scuttle panel grille

Exhaust

  • Remove:
    • the bolts (1) from the turbocharger heat shield
    • the turbocharger heat shield
    • the oxygen sensors
    • the engine undertray
    • the front right-hand wheel
    • the front right-hand wheel arch liner
    • the front right-hand wheel driveshaft

Exhaust

  • Remove:
    • the bolts (2) from the front right-hand wheel driveshaft relay bearing,
    • the front right-hand wheel driveshaft relay bearing,
    • the particle filter .

Exhaust

  • Remove:
    • the catalytic converter heat shield bolts (3) ,
    • the catalytic converter heat shield.

Exhaust

  • Remove:
    • the nut (4) and the bolts (5) of the catalytic converter mounting,
    • the catalytic converter mounting.

4X2 TRANSMISSION

Exhaust

  • Remove the bolts (6) from the turbocharger cooling pipe.
  • Move aside the turbocharger cooling pipe.
  • Remove:
    • the catalytic converter mounting bracket bolts (7) from the cylinder block,
    • the catalytic converter mounting bracket bolts.

4X4 TRANSMISSION

Exhaust

  • Remove the bolts (8) from the turbocharger cooling pipe.
  • Move aside the turbocharger cooling pipe.
  • Remove:
    • the bracket bolts (9) of the cylinder block transfer box and the transfer box,
    • the transfer box bracket.

II - OPERATION FOR REMOVAL OF PART CONCERNED

Exhaust

  • Loosen the catalytic converter nuts (10) .
  • Remove the catalytic converter studs of the turbocharger using a roller-type stud removal tool.

Exhaust

  • Remove:
    • the catalytic converter bracket nuts (11) ,
    • the catalytic converter half-clips (12) .
  • Move the catalytic converter towards the rear of the vehicle.

Exhaust

  • Remove:
    • the catalytic converter on the right-hand side of the vehicle,
    • the seal between the catalytic converter and the turbocharger.

REFITTING

I - REFITTING PREPARATION OPERATION

  • Clean and degrease the bearing faces of:
    • on the turbocharger,
    • on the catalytic converter in case of reuse,
    • of the particle filter,
    • of the silencer.
  • Always replace:
    • the catalytic converter studs,
    • the catalytic converter nuts,
    • the seal between the catalytic converter and the turbocharger,
    • the seal between the catalytic converter and the particle filter,
    • the seal between the particle filter and the silencer,
    • the catalytic converter mounting nut.

II - REFITTING OPERATION FOR PART CONCERNED

  • Refit:
    • the catalytic converter on the brackets,
    • the new seal between the turbocharger and the catalytic converter,
    • the new catalytic converter studs onto the turbocharger.
  • Torque tighten the studs of the catalytic converter on the turbocharger (15 N.m) using a roller-type stud removal tool.
  • Refit the new catalytic converter nuts on the turbocharger.
  • Torque tighten the catalytic converter nuts on the turbocharger (21 N.m).
  • Refit:
    • the catalytic converter half-clamps on the catalytic converter,
    • the catalytic converter bracket nuts.
  • Torque tighten the catalytic converter bracket nuts (21 N.m).

4X2 TRANSMISSION

  • Refit:
    • the catalytic converter mounting bracket,
    • the catalytic converter mounting bracket bolts on the cylinder blocks.
  • Torque tighten the catalytic converter mounting bracket bolts on the cylinder block (50 N.m).
  • Refit the turbocharger cooling pipe bolts.
  • Torque tighten the turbocharger cooling pipe bolts (10 N.m).

4X4 TRANSMISSION

  • Refit:
    • the transfer box bracket,
    • the transfer box bracket bolts on the cylinder block and the transfer box.
  • Torque tighten:
    • the transfer box bracket bolts on the transfer box (48 N.m).
    • The transfer box bracket bolts on the cylinder block (50 N.m).
  • Refit the turbocharger cooling pipe bolts.
  • Torque tighten the turbocharger cooling pipe bolts (10 N.m).

 

  • Refit:
    • the catalytic converter mounting,
    • the new catalytic converter mounting nut,
    • the bolts of the catalytic converter mounting.
  • Torque tighten:
    • the catalytic converter mounting nut (51 N.m),
    • the catalytic converter (mounting bolts51 N.m).
  • Refit:
    • the catalytic converter heat shield,
    • the catalytic converter heat shield bolts.
  • Torque tighten the catalytic converter heat shield bolts (6 N.m).
  • Refit:
    • the seal between the catalytic converter and the particle filter,
    • the particle filter,
    • the front right-hand wheel driveshaft relay bearing,
    • the front right-hand wheel driveshaft relay bearing bolts.
  • Torque tighten the front right-hand wheel driveshaft relay bearing bolts (44 N.m).
  • Refit:
    • the front right-hand wheel driveshaft
    • the front right-hand wheel arch liner
    • the front right-hand wheel
    • the engine undertray
    • the oxygen sensors
    • the turbocharger heat shield
    • the turbocharger heat shield bolts.
  • Torque tighten the turbocharger heat shield bolts7 (N.m).
  • Refit:
    • the scoop under the scuttle panel grille
    • the windscreen wiper mechanism
    • the scuttle half-grille
    • the windscreen wiper arms
    • the engine cover.
  • Connect the battery.

2TR

Exhaust

IMPORTANT Consult the safety and cleanliness advice and operation recommendations before carrying out any repair.

REMOVAL

I - OPERATION FOR REMOVAL OF PART CONCERNED

  • Position the vehicle on a two-post lift .
  • Remove the engine undertray.

II - OPERATION FOR REMOVAL OF PART CONCERNED

Exhaust

  • Remove the catalytic converter bracket nuts (1) on the connector pipe.

Exhaust

  • Remove:
    • the silencer bracket nuts (2) on the catalytic converter,
    • the catalytic converter,
    • the seal between the connector pipe and the catalytic converter,
    • the seal between the catalytic converter and the silencer.

REFITTING

I - REFITTING PREPARATION OPERATION

  • Always replace the seals.

II - REFITTING OPERATION FOR PART CONCERNED

  • Refit:
    • the catalytic converter on the connector pipe with a new seal,
    • the catalytic converter bracket nuts on the connector pipe.
    • the catalytic converter on the silencer with a new seal,
    • the silencer bracket nuts on the catalytic converter.
  • Torque tighten:
    • the catalytic converter bracket nuts on the connector pipe (45 N.m),
    • the silencer bracket nuts on the catalytic converter (45 N.m).

III - FINAL OPERATION.

  • Refit the engine undertray.
    Exhaust: Precautions for the repair

    Intermediate pipe: Removal - Refitting

    See More:

    Renault Koleos Service Repair Manual > Exterior protection: Rear side door protective strip: Removal - Refitting
    REMOVAL OPERATION FOR REMOVAL OF PART CONCERNED Heat the edges (1) of the rear door moulding using a heating gun. Note: Make sure that the body is not damaged. Protect the door rabbet using masking tape. Unclip the rear section of the moulding (2) by pulling the lever arm using the tool (Car. 1597) ...

    Renault Koleos Owners Manual

    Renault Koleos Service Repair Manual

    © 2018-2020 Copyright www.rkoleos.com
    0.0149