Component Description For Fuel Cooler - Mercedes-Benz OM 471 Introduction Into Service Manual

System components
GF47.20>W>2103H
ENGINES 471.9 in MODEL 963
Location
1 Fuel filter module
2 Fuel cooler
3 Coolant outlet for fuel filter module
4 Coolant inlet
B Coolant
The fuel cooler (2) is located behind the fuel filter module (1).
Task
The fuel cooler (2) cools the warmed fuel which is led from the fuel
injector pressure boosters into the fuel filter module (1) via a
return line.
Body
2 Fuel cooler
4 Coolant inlet
5 Coolant outlet
6 Fuel inlet
7 Fuel outlet
8 Fuel cooling ducts
9 Coolant duct
A Fuel
B Coolant
The fuel cooler (2) is designed as a shell cooler.
Function
The warmed fuel from the fuel injector pressure boosters flows
through the fuel cooling ducts (8) to the fuel outlet (7) via the fuel
inlet (6). From there, the cooled fuel then runs through the fuel
feed line of the fuel filter module to the fuel pump via a line.
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Component description for fuel cooler

– This printout will not be recorded by the update service. Status: 09 / 2011 –
The fuel cooler (2) is supplied with coolant from the crankcase via
the coolant inlet (4).The coolant flowing through the coolant duct
(9) cools the fuel, it passes via the coolant outlet (5) to the fuel
filter module (1) and flows via the fuel filter module coolant
outlet (3) directly to the coolant pump.
20.7.11
W47.00>1037>82
W47.00>1027>71