Renault Koleos Service Repair Manual: Cooling radiator: Removal - Refitting

Renault Koleos Service Repair Manual / Engine and peripherals / Cooling / Cooling radiator: Removal - Refitting

M9R

Cooling

IMPORTANT To avoid any risk of damaging the systems, follow the instructions regarding safety and cleanliness and operation recommendations before carrying out the repair.

 

IMPORTANT When working in the engine compartment, take care as the radiator fan(s) may start up unexpectedly (risk of being cut).

To avoid any risk of serious burns when the engine is hot:

  • do not open the expansion bottle cap,
  • do not drain the cooling system,
  • do not open the bleed screw(s).

 

WARNING Before the operation, protect the electrical accessories to prevent any risk of short circuiting and protect the belts to avoid damaging them.

 

WARNING When carrying out a repair that requires a complete change, it is essential to flush the circuit with clean water, blast compressed air through the circuit to drive out the water, fill and bleed the circuit and then measure the effective protection.

The criteria to be met are:

  • protection down to -25ºC +- 2 for cold and temperate countries,
  • protection down to -40ºC +- 2 for "extreme cold" countries.

 

WARNING The coolant helps to keep the engine running properly (heat exchange).

The system does not operate using pure water.

REMOVAL

I - REMOVAL PREPARATION OPERATION

  • Position the vehicle on a two-post lift.
  • Disconnect the battery.
  • Remove the engine undertray.
  • Drain the cooling system .

Cooling

  • Unclip the clips (1) .
  • Remove the air inlet sleeve (2) .

Cooling

  • Remove:
    • the bolts (3) of the air inlet pipe support,
    • the air inlet pipe support (4) .

Cooling

  • Remove the cooling radiator top hose clip (5) using the (Mot. 1448).
  • Disconnect the radiator top hose (6) .

Cooling

  • Unclip the wiring clips (7) .
  • Disconnect the connectors (8) from the motor-driven fan assembly.
  • Remove the clip (9) .
  • Disconnect the hose (10) .

Cooling

  • Remove:
    • the bolt (11) from the motor-driven fan assembly,
    • the engine cooling fan assembly (12) .

Cooling

  • Remove the cooling radiator bottom hose clip (13) using the (Mot. 1448).
  • Disconnect the radiator bottom hose (14) .

II - OPERATION FOR REMOVAL OF PART CONCERNED

Cooling

  • Move the radiator supports in the direction (15)

Cooling

  • Remove:
    • the supports (17) in the direction of (16) ,
    • the radiator (19) in the direction of (18) .

REFITTING

I - REFITTING OPERATION FOR PART CONCERNED

  • Refit:
    • the cooling radiator,
    • the radiator supports.
  • Place the supports in their original positions.

II - FINAL OPERATION.

  • Connect the radiator bottom hose.
  • Refit:
    • the clip of the radiator bottom hose using the tool (Mot. 1448).
    • the engine cooling fan assembly,
    • The bolt from the motor-driven fan assembly.
  • Connect the hose (10) .
  • Refit the clip (9) .
  • Connect the motor-driven fan assembly connectors.
  • Clip on the wiring clips (7) .
  • Connect the radiator top hose.
  • Refit:
    • the clip of the radiator top hose using the tool (Mot.1448),
    • the air inlet pipe support,
    • the bolts of the air inlet pipe support,
    • the air intake sleeve.
  • Refit the engine undertray.
  • Connect the battery.
  • Fill and bleed the cooling system .
  • Check that there are no leaks.

2TR

Cooling

IMPORTANT To avoid any risk of damaging the systems, follow the instructions regarding safety and cleanliness and operation recommendations before carrying out the repair.

 

IMPORTANT When working in the engine compartment, take care as the radiator fan(s) may start up unexpectedly (risk of being cut).

To avoid any risk of serious burns when the engine is hot:

  • do not open the expansion bottle cap,
  • do not drain the cooling system,
  • do not open the bleed screw(s).

 

WARNING Take care not to damage the bearing faces to prevent any risk of coolant leaks.

 

WARNING When carrying out a repair that requires a complete change, it is essential to flush the circuit with clean water, blast compressed air through the circuit to drive out the water, fill and bleed the circuit and then measure the effective protection.

The criteria to be met are:

  • protection down to -25ºC +- 2 for cold and temperate countries,
  • protection down to -40ºC +- 2 for "extreme cold" countries.

 

WARNING The coolant helps to keep the engine running properly (heat exchange).

The system does not operate using pure water.

REMOVAL

I - REMOVAL PREPARATION OPERATION

  • Position the vehicle on a two-post lift .
  • Disconnect the battery.
  • Remove the engine undertray.
  • Drain the cooling system.

Cooling

  • Unclip the clips (1) .
  • Remove the air inlet sleeve (2) .

Cooling

  • Remove the clip (3) from the radiator top hose using the tool (Mot. 1448).
  • Disconnect the radiator top hose (4) .

Cooling

  • Unclip the clips (5) from the wiring
  • Disconnect the connectors (6) from the motor-driven fan assembly.
  • Remove the clip (7) from the expansion bottle degassing hose using the tool (Mot. 1448)
  • Disconnect the degassing hose (8) from the expansion bottle.

Cooling

  • Remove:
    • the bolts (9) ,
    • the engine cooling fan assembly (10) .

Cooling

  • Remove the clip (11) from the radiator bottom hose using the tool (Mot. 1448).
  • Disconnect the radiator bottom hose (12) .

II - OPERATION FOR REMOVAL OF PART CONCERNED

Cooling

  • Move the radiator supports in the direction of (13) .

Cooling

  • Remove:
    • the supports (15) in the direction of (14) ,
    • the radiator (17) in the direction of (16) .

REFITTING

I - REFITTING OPERATION FOR PART CONCERNED

  • Refit:
    • the cooling radiator,
    • the radiator supports.
  • Place the supports in their original positions.

II - FINAL OPERATION.

  • Connect the radiator bottom hose.
  • Refit:
    • the clip of the radiator bottom hose using the tool (Mot. 1448),
    • the engine cooling fan assembly,
    • the fan assembly bolt.
  • Connect the degassing hose to the expansion bottle.
  • Refit the clip of the expansion bottle degassing hose using the tool (Mot. 1448).
  • Connect the motor-driven fan assembly connectors.
  • Clip on the wiring clips (5) .
  • Connect the radiator top hose.
  • Refit the radiator top hose clip using the tool (Mot.1448).
  • Refit the air intake sleeve.
  • Clip on the air inlet sleeve clips.
  • Refit the engine undertray.
  • Connect the battery.
  • Fill and bleed the cooling system.
  • Check that there are no leaks.
    Cooling system: Draining - Refilling

    Coolant pump: Removal - Refitting

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