Alternatively: Filling with cool-
ant through filler neck
1.
Open vent points on distributor, oil heat ex-
changer and exhaust turbochargers (ar-
rows).
2.
Add coolant to expansion tank until the
coolant level at top edge of filler neck re-
mains constant.
3.
When coolant emerges from the vent
points, close vent points one by one, pro-
ceeding from the lowest point upwards.
4.
Check proper condition of breather valve
and clean sealing faces if required.
5.
Set breather valve onto filler neck and turn
until the first stop.
6.
Start engine (→ Page 51).
7.
After running the engine for 10 seconds un-
der zero load, stop engine (→ Page 52).
8.
Turn breather valve counterclockwise and
remove.
9.
Check coolant level (→ Page 122) and top
up engine coolant as required:
a) Repeat the steps from "Start engine"
(→ Step 6) until coolant no longer
needs to be topped up.
b) Check proper condition of breather
valve and clean sealing faces if re-
quired.
c) Place breather valve on filler neck and
close.
Final steps
1.
Start the engine and run it under zero load for several minutes.
2.
Check coolant level (→ Page 122) and top up engine coolant as required.
128 | Task Description | M015695/03E 2013-03
TIM-ID: 0000006720 - 005
