Renault Koleos Service Repair Manual: Thermostat: Removal - Refitting

2TR

REMOVAL

I - OPERATION FOR REMOVAL OF PART CONCERNED

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

II - OPERATION FOR REMOVAL OF PART CONCERNED

• Remove the clip (1) from the lower pipe of the cooling radiator using the tool (Mot. 1448).
• Disconnect the lower pipe (2) from the cooling radiator.
• Remove:
  • the thermostat unit bolts (3) ,
  • the thermostat unit (4) ,
  • the seal of the thermostat unit,
  • the thermostat,
  • the seal.

REFITTING

I - REFITTING PREPARATION OPERATION

• Always replace the seal.

II - REFITTING OPERATION FOR PART CONCERNED

• Refit:
  • the new seal (A) to the thermostat,
  • the thermostat with the discharge valve (B) facing upwards,
  • the seal of the thermostat unit,
  • the thermostat unit,
  • the thermostat unit bolts.
• Torque tighten the thermostat unit bolts (22 N.m).
• Connect the lower pipe of the cooling radiator.
• Refit the clip on the lower pipe of the cooling radiator using the tool (Mot. 1448).

III - FINAL OPERATION

• Fill the cooling system .
• Refit the engine undertray.
• Connect the battery .
• Bleed the cooling system.