Filling with coolant from below
using a pump
Note:
Important: Fill engine only from below!
1.
Connect appropriate pump with hose to drain
valve of engine coolant pump (arrow).
2.
Open venting point on distributor (arrow).
3.
Open drain valve and pump coolant into en-
gine at 0.5 bar minimum.
4.
Close venting point (arrow) when coolant
emerges.
5.
Fill expansion tank until coolant level reaches
overflow edge.
6.
Close drain valve and use torque wrench to tighten to specified tightening torque .
Name
Size
Type
Lubricant
Value/Standard
Spindle
A/F11
Tightening torque
12 Nm
7.
Check satisfactory condition of valve cover on coolant expansion tank, clean sealing faces if required.
8.
Fit valve cover and close it.
9.
10.
After 10 seconds of running the engine without load, shut down the engine (→ Page 143).
11.
Turn valve cover on coolant expansion tank counterclockwise to first stop and release pressure.
12.
Continue to turn valve cover counterclockwise and remove.
13.
Check coolant level (→ Page 244) and top up coolant as required:
a) Fill in coolant in expansion tank until coolant level at top edge of filler neck remains constant.
b) Fit valve cover and close it.
14.
Repeat the steps from "Start engine" (→ Step 9) until coolant is no longer needed to be topped up.
15.
Disconnect pump and hose.
Final steps
1.
Start engine and run it without load for some minutes.
2.
Check coolant level (→ Page 244) and top up coolant as required.
MS15039/01E 2018-11
| Coolant Circuit, General, High-Temperature Circuit | 249
TIM-ID: 0000019863 - 006