Coolant System Flush and Refill · ComponentBlock Drain Plugfor 2021 Subaru Levorg 1.8L H4 Turbo CB18 · AWDUnitslb-ftNmTorque18lb-ft25 NmNotesIf equipped, use new washerOther components in Coolant System Flush and RefillDrain Petcock4 lb-ft · 5 Nm📝 Suggest a correction to this torque spec