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.
Filling with coolant from below
using a pump
1.
Open venting point on distributor (arrowed).
Note:
Important: Fill engine only from below!
2.
Connect appropriate pump with hose to drain
valve of engine coolant pump (1).
3.
Open shutoff cock on elbow of engine cool-
ant pump (2) and pump coolant with at least
0.5 bar into engine.
4.
When coolant emerges from the venting
point, close the venting point.
5.
Fill expansion tank until overflow edge is
reached.
286 | Coolant System, General, High-Temperature Circuit | MS15065/01E 2019-01
TIM-ID: 0000076172 - 002
