Filling with coolant using a pump
1.
Connect suitable pump and hose to engine
coolant pump drain valve (arrowed) or drain
and filling line between engine and radiator.
2.
Undo screw connection (arrowed) of the
vent line on the distributor.
3.
Open drain valve and pump coolant into en‐
gine with a pressure of at least 0.5 bar until
coolant escapes from the open connection.
4.
Tighten connection (arrowed).
5.
Fill coolant expansion tank until coolant lev‐
el reaches the bottom edge of the filler
neck.
6.
Close drain valve.
7.
Check proper condition of breather valve
and clean sealing faces if required.
8.
Fit breather valve and close it.
9.
10.
After 10 seconds of running the engine
without load, shut down the engine
11.
Turn breather valve of coolant expansion
tank counterclockwise until the first stop
and allow pressure to escape.
12.
Continue to turn breather valve counter‐
clockwise and remove.
13.
Check coolant level (→ Page 105) and top
up engine coolant as required:
a) Add coolant via filler neck on expansion
tank until the coolant level at bottom
edge of filler neck remains constant.
b) Check proper condition of breather
valve and clean sealing faces if re‐
quired.
c) Fit breather valve and close it.
14.
Repeat the steps from "Start engine"
(→ Step 8) until coolant is no longer needed
to be topped up.
15.
Disconnect pump and hose.
MS150064/01E 2011-11 | Task Description | 109
TIM-ID: 0000034641 - 001