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Filling with charge-air coolant
using pump
1.
Connect a suitable pump with a hose to the
drain valve (arrowed).
2.
Release union at distributor (arrow).
3.
Open drain valve and pump coolant into en-
gine at 0.5 bar minimum.
4.
Close venting point when coolant emerges
from the released union.
5.
Fill expansion tank until overflow edge is
reached.
6.
Close drain valve.
7.
Check proper condition of breather valve,
clean sealing faces if required.
8.
Place breather valve on filler neck and
close.
9.
Start engine (→ Page 31).
10.
After the engine has run at unloaded condi-
tion for 10 seconds, stop engine
(→ Page 34).
11.
Turn breather valve of filler neck on coolant
expansion tank counterclockwise to first
stop and allow pressure to escape.
12.
Continue to turn breather valve counter-
clockwise and remove.
13.
Check coolant level (→ Page 147) and top
up coolant as required:
a) Fill in coolant via filler neck on expan-
sion tank until the coolant level at bot-
tom edge of filler neck remains con-
stant.
b) Check proper condition of breather
valve, clean sealing faces if required.
c) Fit breather valve and close it.
14.
Repeat the steps from "Start engine"
(→ Step 9) until coolant no longer needs to
be topped up.
15.
Disconnect pump and hose.
MS150029/02E 2013-03 | Task Description | 151
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