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 coolant with pump
1.
Connect appropriate pump with hose to drain
valve (1).
2.
Release the vent line union at the distributor
piece (1).
3.
Open drain valve and pump coolant into en-
gine at 0.5 bar minimum.
4.
Tighten union (arrowed) if coolant leaks out
at loose union.
5.
Fill expansion tank until overflow edge is
reached.
310 | Low-Temperature Circuit | MS15065/01E 2019-01
TIM-ID: 0000076173 - 002
