F 53 33
Installation
- Insert a new filter element in the DEF
dosing unit. Press the filter up to
check that it fits properly. Place a new
anti-freeze membrane over the filter
element.
A
The sealing bead of the anti-freeze
membrane must fit fully in the notch of
the pump housing.
A
Use the supplied lubricant when fitting
the filter housing. Spray the supplied lu-
bricant on the threads of the pump hous-
ing and the sealing bead of the anti-
freeze membrane. Install the filter hous-
ing and screw tight. Use a 46 mm socket
wrench insert. Torque: 80 Nm
Final jobs of work
- Connect the battery.
m
Let the engine run for at least 15 minutes
so that the system reaches operating
temperature. Look out for any leaks.
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