Renault Megane Quiz
Engine and peripherals

Bleeding the cooling system

In this manual: Engine and peripherals
Engine and peripherals — 141Chassis — 79Chassis — 72Renault Mégane III Driver's Manual — 87Electrical equipment — 221Engine and peripherals — 47Electrical equipment — 80Transmission — 14Air conditioning — 30Bodywork — 115Trim and upholstery — 44General vehicle information — 27Air conditioning — 59General vehicle information — 16Transmission — 38Sealing and soundproofing — 7General vehicle information — 3
~1min read

AUTOMATIC BLEEDING

IMPORTANT
  • Do not open the bleed screw(s) while the engine is running or hot.
  • Do not open the expansion tank while the engine is hot (above 50 °C) or running.
  • Top up the level if necessary.
  • Refit the expansion tank cap with the engine hot.
  • Using approved equipment, measure the freeze protection level of the coolant.
  • Check for any leaks.
  • Check that the cabin heating works correctly.
  • Start the engine.
  • Run the engine at 2500 rpm until the cooling fan(s) have cycled up to three times (time required for automatic air bleeding).
  • Adjust the coolant level in the expansion tank if necessary.

Test yourself

A quick Renault Megane quiz: every answer comes with an explanation and a link to the manual page.