6.
To accelerate the venting procedure, open
the venting point at the intercooler (1) after
the first cycle until no more air emerges.
7.
Close drain valve.
8.
Check proper condition of valve cover and
clean sealing faces if required.
9.
Fit valve cover on filler neck and close.
10.
Start engine (→ Page 48).
11.
After 10 seconds of running the engine with-
out load, shut down the engine (→ Page 53).
12.
Turn valve cover of coolant expansion tank
counterclockwise until the first stop and al-
low pressure to escape.
13.
Continue to turn valve cover counterclock-
wise and remove.
14.
Check coolant level (→ Page 183) and top up
coolant as required:
a) Fill in coolant in expansion tank until the
coolant level at top edge of filler neck re-
mains constant.
b) Fit valve cover on filler neck and close.
15.
Repeat the steps from "Start engine"
(→ Step 10) until coolant no longer needs to
be topped up.
16.
Disconnect pump and hose.
Variant 2: Filling coolant
through filler neck
1.
Loosen vent line union at distributor (1).
2.
Top up coolant in expansion tank via filler
neck until coolant level at top edge of filler
neck remains constant.
3.
Tighten union (arrow) if coolant escapes at
loose union.
4.
Check proper condition of valve cover on
coolant expansion tank, clean sealing faces if
required.
190 | Low-Temperature Circuit | MS15058/04E 2018-12
TIM-ID: 0000068727 - 007
Summary of Contents for 20V4000G44F
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