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6.
Use a torque wrench to tighten shutoff cock at elbow of engine coolant pump (2) to specified tightening tor-
que.
Name
Spindle
7.
Check proper condition of valve cover on coolant expansion tank, clean sealing faces if required.
8.
Fit valve cover and close it.
9.
Start engine (→ Page 114).
10.
After 10 seconds of running the engine without load, shut down the engine (→ Page 120).
11.
Turn valve cover of coolant expansion tank counterclockwise until the first stop and allow pressure to es-
cape.
12.
Continue to turn valve cover counterclockwise and remove.
13.
Check coolant level (→ Page 280) and top up coolant as required:
a) Fill in coolant in expansion tank until the 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.
Alternatively: Filling coolant at
expansion tank
1.
Open venting point on distributor (arrowed).
MS15065/01E 2019-01 | Coolant System, General, High-Temperature Circuit | 287
Size
Type
11 A/F
Tightening torque
Lubricant
Value/Standard
12 Nm
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