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2
Coolant pump/thermostat assembly
⇒ “2.1 Exploded view - coolant pump and thermostat”,
page 157
⇒ “2.2 Exploded view - electric coolant pump”, page 159
⇒ “2.3 Exploded view - coolant temperature sensors”, page 161
⇒ “2.4 Removing and installing coolant pump”, page 162
⇒ “2.5 Removing and installing toothed belt pulley for coolant
pump”, page 166
⇒ “2.6 Removing and installing electric coolant pump”,
page 166
⇒ “2.7 Cooling system thermostat: removing and installing”, page
168
⇒ “2.8 Removing and installing coolant temperature sender”,
page 171
⇒ “2.8.2 Removing and installing coolant temperature sender at
radiator outlet G83 ”, page 172
2.1
Exploded view - coolant pump and thermostat
1 - Thermostat housing
❑ Removing and installing
❑ Observe tightening se‐
quence when tightening
to coolant pump
.
2 - Thermostat
❑ For small cooling circuit
❑ Begins to open at ap‐
prox. 105 °C
❑ Different versions ⇒
Electronic parts cata‐
logue
❑ Removing and installing
3 - Seal
❑ renew
❑ Observe proper seating
of seal.
❑ Lightly coat with coolant
before installing.
4 - Coolant pump
❑ Vehicles manufactured
as of June 2013 are fit‐
ted with a modified cool‐
ant pump (see coolant
hose schematic dia‐
❑ Removing and installing
❑ If coolant pump is re‐
newed, also renew
toothed belt.
León 2013 ➤ , León ST 2013 ➤
4-cylinder petrol engine (1.2 l direct injection, 4 V, turbocharger, EA211) - Edition 02.2017
2. Coolant pump/thermostat assembly
157