Oil Thermostat, Component Description - Mercedes-Benz OM 471 Introduction Into Service Manual

GF18.30>W>2020H
ENGINE 471.9 in MODEL 963
Location
1 Oil/coolant module
2 Oil thermostat
3 O>ring
4 Cover
The oil thermostat (2) is built into the
oil/coolant module (1), which is located on
the left side of the engine.
Task
The oil thermostat (2) is used to regulate
the engine oil temperature.
Design
2.1 Housing
2.2 Sliding ring valve
2.3 Spring
2.4 Operating piston
2.5 Expansion element
3 O>ring
A Oil thermostat open
B Oil thermostat closed
Function
2 Oil thermostat
5 Oil/water heat exchanger
A Oil thermostat open
B Oil thermostat closed
At an engine temperature of less than 115 ∞C the engine oil is
routed through the open oil thermostat (2) over a bypass straight
into the oil filter. At 115 ∞C the oil thermostat (2) closes the bypass
and the engine oil flows first to the oil>water heat exchanger (5)
before reaching the oil filter.
i Introduction of engine OM 471 and exhaust aftertreatment > 09/2011 >

Oil thermostat, component description

– This printout will not be recorded by the update service. Status: 09 / 2011 –
System components
20.7.11
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