Renault Koleos Service Repair Manual: Coolant pump inlet pipe: Removal - Refitting

Renault Koleos Service Repair Manual / Engine and peripherals / Cooling / Coolant pump inlet pipe: Removal - Refitting

M9R

Cooling

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.
  • Remove:
    • the engine cover
    • the windscreen wiper arms
    • the scuttle panel half-grille
    • the windscreen wiper mechanism
    • the scoop under the scuttle panel grille.

Cooling

  • Pivot the intercooler air inlet pipe clip (1) .

Cooling

  • Remove the intercooler air inlet pipe bolt (2) from the fuel supply pipe bracket.
  • Move aside the intercooler air inlet pipe
  • Remove the engine undertray.
  • Drain the cooling system .
  • Remove:
    • the air inlet sleeve clips
    • the air inlet sleeve from the air filter unit
    • the battery
    • the battery tray
    • the air filter box
  • Loosen the air filter unit air outlet pipe clip on the turbocharger.
  • Disconnect:
    • the oil vapour rebreathing pipe from the oil separator,
    • the air filter unit air outlet pipe from the turbocharger.
  • Fit a blanking plug into the oil separator opening.
  • Remove:
    • the inlet manifold
    • the exhaust gas recirculation rigid pipe between
      the exhaust manifold and the exhaust gas recirculation intercooler .

Cooling

  • Disconnect the connector (3) from the damper valve wiring.
  • Loosen the clip (4) on the intercooler air outlet pipe.
  • Remove the intercooler air outlet pipe bolt (5) .
  • Disconnect the intercooler air outlet pipe (6) from the air inlet flap.
  • Move the intercooler air outlet pipe to one side.

Cooling

  • Remove:
    • the dipstick guide tube bolt (7) ,
    • the dipstick tube.
  • Fit a blanking plug on the opening of the dipstick guide tube on the cylinder block.
  • Remove the damper valve.

Cooling

  • Disconnect the turbocharger pressure sensor connector (8) .
  • Remove:
    • the housing from the turbocharging pressure sensor (9)
    • the exhaust gas recirculation rigid pipe between
      the exhaust gas recirculation solenoid valve and the exhaust gas recirculation intercooler
    • the starter
    • the exhaust gas recirculation intercooler
  • Unclip the wiring harness from the coolant pump inlet pipe.

II - OPERATION FOR REMOVAL OF PART CONCERNED

Cooling

  • Remove:
    • the clip (10) from the coolant pump inlet pipe coming from the oil filter unit using the tool (Mot. 1448).
    • the clip (11) from the coolant pump inlet pipe coming from the expansion bottle using the tool (Mot.1448).
  • Remove the coolant pump inlet pipe bolt (12) .
  • Pull the coolant pump inlet pipe in the direction of the arrow.
  • Move aside the coolant pump inlet pipe.
  • Remove the clip (13) from the coolant pump inlet pipe coming from the exhaust gas recirculation intercooler using the tool (Mot. 1448).
  • Disconnect:
    • the hose coming from the exhaust gas recirculation intercooler from the coolant pump inlet pipe,
    • the hose coming from the oil filter unit from the coolant pump inlet pipe,
    • the hose coming from the expansion bottle from the coolant pump inlet pipe.
  • Remove the coolant pump inlet pipe.

REFITTING

I - REFITTING PREPARATION OPERATION

  • Clean:
    • the exhaust gas recirculation intercooler joint face,
    • the exhaust gas recirculation solenoid valve joint face,
WARNING The joint faces must be clean, dry and free from grease (avoid finger marks).
  • Always replace:
    • the coolant pump inlet pipe seal,
    • the seal between the turbocharger pressure sensor housing and the exhaust gas recirculation solenoid valve
    • the seal between the air inlet flap and the turbocharger pressure sensor housing.
  • Refit the new coolant pump inlet pipe seal.

II - REFITTING OPERATION FOR PART CONCERNED

  • Connect the hose coming from the exhaust gas recirculation intercooler onto the coolant pump inlet pipe.
  • Refit the clip (13) on the coolant pump inlet pipe coming from the exhaust gas recirculation intercooler using the tool (Mot. 1448).
  • Connect the coolant pump inlet pipe to the hose coming from the oil filter unit.
Note: Check that the coolant pump inlet pipe is correctly installed. The coolant may leak if it is incorrectly installed.
  • Refit:
    • the coolant pump inlet pipe,
    • the coolant pump inlet pipe bolt.
  • Torque tighten the coolant pump inlet pipe bolt (10 N.m).
  • Connect the hose coming from the expansion bottle to the coolant pump inlet pipe.
  • Refit:
    • the clip on the coolant pump inlet pipe coming from the oil filter unit using the tool (Mot. 1448),
    • the clip on the coolant pump inlet pipe coming from the expansion bottle using the tool (Mot. 1448).

III - FINAL OPERATION.

  • Clip on the wiring of the coolant pump inlet pipe.
  • Refit the exhaust gas recirculation intercooler.
  • Refit:
    • the starter
    • the new exhaust gas recirculation rigid pipe seals between the exhaust gas recirculation solenoid valve and the exhaust gas recirculation intercooler
    • the exhaust gas recirculation rigid pipe between the exhaust gas recirculation solenoid valve and the exhaust gas recirculation intercooler
    • the new seal between the turbocharger pressure sensor housing and the exhaust gas recirculation solenoid valve
    • the housing of the turbocharging pressure sensor.
  • Connect the turbocharger pressure sensor connector.
  • Refit:
    • the new seal between the air inlet flap and the turbocharger pressure sensor housing,
    • the damper valve .
  • Remove the blanking plug from the dipstick guide tube on the cylinder block.
  • Refit:
    • dipstick guide ,
    • the dipstick guide tube bolts.
  • Torque tighten the dipstick guide tube bolts (10 N.m).
  • Connect the intercooler air outlet pipe to the damper valve.
  • Refit the intercooler air outlet pipe bolt.
  • Tighten:
    • the intercooler air outlet pipe bolt (8 N.m),
    • the intercooler air outlet pipe clip (8 N.m) using the tool (Mot. 1608).
  • Connect the damper valve wiring connector.
  • Refit:
    • the new exhaust gas recirculation rigid pipe seal on the exhaust manifold
    • the exhaust gas recirculation rigid pipe between the exhaust manifold and the exhaust gas recirculation intercooler
    • the new inlet manifold seal
    • the inlet manifold
    • the inlet manifold hoses and pipes
  • Refit the air filter unit.
  • Connect the air filter unit air outlet pipe to the turbocharger and the air filter unit.
  • Torque tighten the air filter unit air outlet pipe clips (5 N.m) using the tool (Mot. 1608).
  • Remove the blanking plug from the opening of the oil separator.
  • Connect the oil vapour rebreathing pipe to the oil decanter.

Cooling

  • Remove the intercooler air inlet pipe seal using the tool tweezers.

Cooling

Note: Check that the seal (14) on the intercooler air inlet pipe is fitted the correct way round.
  • Refit the new intercooler air inlet pipe seal.
  • Rotate the intercooler air inlet pipe to refit the clip in its housing.
  • Clip the intercooler air inlet pipe onto the turbocharger.
  • Refit the intercooler air inlet pipe bolt to the fuel supply pipe bracket.
  • Torque tighten the intercooler air inlet pipe bolt (8 N.m).
  • Refit:
    • the battery tray
    • the battery
    • the scoop under the scuttle panel grille
    • the windscreen wiper mechanism
    • the scuttle half-grille
    • the windscreen wiper arms
    • the air inlet sleeve to the air filter unit
    • the air inlet sleeve clips.
  • Fill the cooling system.
  • Drain the cooling system.
  • Refit:
    • the engine cover,
    • the engine undertray.

2TR

Cooling

IMPORTANT To avoid all risk of damage to the systems, apply the safety and cleanliness instructions and operation recommendations before carrying out any repair.

 

IMPORTANT Wear protective gloves during the operation.

REMOVAL

I - REMOVAL PREPARATION OPERATION

  • Position the vehicle on a two-post lift.
IMPORTANT To prevent the vehicle from falling, lash it to the vehicle lift using a strap.
  • Disconnect the battery.
  • Remove the engine undertray.
  • Drain the cooling system.
  • Remove:
    • the front right-hand wheel
    • the front right-hand splash guard (
    • the front right-hand wheel arch liner
    • the accessories belt
    • the fixed roller
    • the auto tensioner
    • the windscreen washer bottle filler neck
    • the alternator
    • the coolant pump.

Cooling

  • Remove:
    • the exhaust manifold upper heat shield bolts,
    • the exhaust manifold upper heat shield,
    • the clip (1) ,
    • the dipstick guide tube bolt (2) ,
    • the dipstick (3) and the dipstick guide tube,
    • the exhaust manifold (4).
Note: The engine must remain covered to prevent impurities from entering inside.

II - OPERATION FOR REMOVAL OF PART CONCERNED

Cooling

  • Remove:
    • the bolts (5) from the coolant pump inlet pipe,
    • the coolant pump housing bolts (6) ,
    • the coolant pump housing (7) ,
    • the coolant pump housing seal,
    • the coolant pump inlet pipe seal,
    • the coolant pump inlet pipe (8) as shown on the diagram,
    • the coolant pump inlet pipe O-ring at the thermostat.

REFITTING

I - REFITTING PREPARATION OPERATION

  • Always replace:
    • the seals,
    • the O-ring.

II - REFITTING OPERATION FOR PART CONCERNED

  • Refit:
    • the coolant pump inlet pipe,
    • the coolant pump inlet pipe seal,
    • the coolant pump housing seal,
    • the coolant pump housing,
    • the coolant pump housing bolts,
    • the coolant pump inlet pipe bolts.
  • Torque tighten:
    • the coolant pump housing bolts (22 N.m),
    • the coolant pump inlet pipe bolts (22 N.m).

III - FINAL OPERATION.

  • Refit:
    • the exhaust manifold
    • the dipstick and the dipstick guide tube
    • the dipstick guide tube bolt.
  • Torque tighten the dipstick guide tube bolt (22 Nm).
  • Refit:
    • the clip (1)
    • the exhaust manifold upper heat shield
    • the exhaust manifold upper heat shield bolts.
  • Torque tighten the exhaust manifold upper heat shield bolts (6 N.m).
  • Refit:
    • the coolant pump
    • the alternator
    • the windscreen washer bottle filler neck
    • the auto tensioner
    • the fixed roller
    • the accessories belt
    • the front right-hand wheel arch liner
    • the front right-hand splash guard
    • the front right-hand wheel
  • Fill the cooling system .
  • Refit the engine undertray.
  • Connect the battery.
  • Bleed the cooling system.
    Engine cooling fan assembly: Removal - Refitting

    Expansion bottle: Removal - Refitting

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