Preparatory steps
1.
Turn valve cover on coolant expansion
tank (1) counterclockwise until the first stop
and release pressure.
2.
Continue to turn valve cover (1) counter-
clockwise and remove.
Variant 1: Filling with coolant
from below using a pump
1.
Open venting point on distributor (arrow).
MS15060/01E 2018-12 | Coolant Circuit, General, High-Temperature Circuit | 189