Alternatively: Filling coolant
through filler neck
1.
Undo the vent line union at the distributor
piece (arrowed).
2.
Top up coolant in expansion tank via filler
neck until coolant level at top edge of filler
neck remains constant.
3.
Tighten union (arrowed) if coolant leaks out
at loose union.
4.
Check proper condition of valve cover on
coolant expansion tank, clean sealing faces
as necessary.
5.
Fit valve cover and close it.
6.
Start engine (→ Page 73).
7.
After 10 seconds of running the engine with-
out load, shut down the engine (→ Page 78).
8.
Turn valve cover of coolant expansion tank
counterclockwise until the first stop and al-
low pressure to escape.
9.
Turn valve cover counterclockwise and re-
move.
10.
Check coolant level (→ Page 207) and top up
with coolant through the filler neck as neces-
sary:
a) Fill in coolant in expansion tank until the
coolant level at top edge of filler neck re-
mains constant.
b) Fit valve cover and close it.
11.
Repeat the steps from “Start engine”
(→ Step 6) until coolant no longer needs to be
topped up.
Final steps
1.
Start the engine and run it without load for some minutes.
2.
Check coolant level (→ Page 207) and top up coolant as necessary.
214 | Low-Temperature Circuit | MS15060/01E 2018-12
TIM-ID: 0000079646 - 001
