Renault Clio: Turbocharger: Removal - Refitting

K9K, and 750 or 752 or 764 or 766 or 768

REMOVAL

I - REMOVAL PREPARATION OPERATION

• Position the vehicle on a two-post lift (see Vehicle: Towing and lifting) (MR 392, 02A, Lifting equipment).
• Remove:
  • the engine cover,
  • the battery (see Battery: Removal - Refitting) (MR 392, 80A, Battery),
  • the tray under the battery (see Battery tray: Removal - Refitting) (MR 392, 80A, Battery),
  • the scuttle panel grille (see Scuttle panel grille: Removal - Refitting) (MR 393, 56A, Exterior equipment),
  • the catalytic converter (see 19B, Exhaust, Catalytic converter: Removal - Refitting, 19B- 29),
  • the turbocharger oil pipes (see 12B, Turbocharging, Turbocharger oil pipe: Removal - Refitting, 12B-15).

K9K, and 764

• Remove the damper valve (see 12A, Fuel mixture, Damper valve: Removal - Refitting, 12A-31) (if equipped).

K9K, and 764 or 766 or 768

• Remove the exhaust gas recirculation solenoid valve (see 14A, Antipollution, Exhaust gas recirculation solenoid valve: Removal - Refitting, 14A-3).

II - REMOVAL OF THE PART CONCERNED

• Remove:
  • the turbocharger mounting nuts (8),
  • the turbocharger.

REFITTING

I - REFITTING PREPARATION OPERATION

• parts always to be replaced: seal between exhaust manifold and turbocharger
• parts always to be replaced: Turbocharger oil supply pipe bolt
• parts always to be replaced: Turbocharger oil pipe

WARNING

• Ensure that no foreign bodies enter the turbine or compressor during the refitting operation.
• Check that the turbocharger oil return pipe is not completely or partially blocked by scale.

  Check that it is not leaking; if it is, replace it.

• Always replace:
  • all of the O-rings and both copper seals on the turbocharger oil supply pipe,
  • the exhaust flange seal.
  • any damaged heat shield.

• If there has been a fault in the turbocharger, check that the intercooler is not full of oil. If it is, remove and rinse it with the cleaning agent, then let it drip dry.
• Clean the bearing faces using ABRASIVE PADS on:
  • the exhaust manifold in contact with the turbocharger,
  • the catalytic converter in contact with the turbocharger.
• Next, degrease these bearing faces using SURFACE CLEANER (see ) (04B, Consumables - Products) and clean cloths.
• If a replacement has been carried out, torque tighten:
  • the turbocharger studs on the exhaust manifold (9 N.m),
  • the turbocharger stud on the turbocharger (9 N.m).

II - REFITTING OPERATION FOR PART CONCERNED

WARNING

Ensure that no foreign bodies enter the turbine or compressor during the refitting operation.

Check that the turbocharger oil return pipe is not partially or completely blocked by scale. Check that there are no leaks. If there are, replace the part.

• Fit the turbocharger with new seals on the exhaust manifold.
• Bolt without tightening the turbocharger nuts using an open-jawed spanner (the turbocharger must rest on the manifold and the spanner must no longer turn without effort).
• Put a paint mark on the turbocharger coinciding with a crest of the turbocharger lower nut (11).
• Tighten the turbocharger lower nut until the next nut crest coincides with the paint mark made on the turbocharger (the final angle achieved is 60

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