Filling with coolant through filler neck
1.
Alternatively: Fill coolant through filler neck on expansion tank until coolant emerges from the loosened
unions at the coolant distribution.
2.
Tighten the union for coolant line at the coolant distributor (→ Page 166).
3.
Continue to fill until coolant level remains constant at top edge of filler neck.
4.
Tighten the coolant line union on both turbochargers (→ Page 166).
5.
Check proper condition of breather valve and clean sealing faces if required.
6.
Set breather valve onto filler neck and turn until the first stop to close.
7.
Start engine (→ Page 94).
8.
After the engine has run at idling speed for 10 seconds, stop engine (→ Page 101).
9.
Turn breather valve counterclockwise and remove.
10.
Check coolant level (→ Page 167) and top up engine coolant as required:
a) Repeat the steps from "Start engine" (→ Step 7) until coolant no longer needs to be topped up.
b) Check proper condition of breather valve and clean sealing faces if required.
c) Place breather valve on filler neck and close.
172 | Task Description | MW15412/05E 2011-11
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