Filling coolant with pump
1.
Open plug screw (1) and connect appropriate
pump with a hose.
2.
Undo the vent line union at the distributor
piece (arrowed).
3.
Pump coolant at pressure of at least 0.5 bar
into engine.
4.
Tighten union (arrowed) if coolant leaks out
at loose union.
5.
Fill expansion tank until overflow edge is
reached.
6.
Close plug screw.
7.
Check proper condition of valve cover and
clean sealing faces as necessary.
8.
Position valve cover on filler neck and close.
9.
10.
After 10 seconds of running the engine with-
out load, shut down the engine (→ Page 78).
11.
Turn valve cover of coolant expansion tank
counterclockwise until the first stop and al-
low pressure to escape.
12.
Continue to turn valve cover counterclock-
wise and remove.
13.
Check coolant level (→ Page 207) and top up
coolant as necessary:
a) Fill in coolant in expansion tank until the
coolant level at top edge of filler neck re-
mains constant.
b) Position valve cover on filler neck and
close.
14.
Repeat the steps from “Start engine”
(→ Step 9) until coolant no longer needs to be
topped up.
15.
Disconnect pump and hose.
MS15060/01E 2018-12
| Low-Temperature Circuit | 213
TIM-ID: 0000079646 - 001
