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1 - Roller tappet
❑ When installing lubri‐
cate lightly with clean
engine oil
2 - O-ring
❑ renew
❑ When installing lubri‐
cate lightly with clean
engine oil
3 - High-pressure pump
❑ With fuel pressure regu‐
lating valve - N276-
❑ Do not dismantle
❑ Removing and installing
4 - High-pressure pipe
❑ Removing and installing
❑ Check for damage be‐
fore re-installing.
❑ Do not alter shape.
❑ Connections must not
be damaged
❑ Lubricate threads of un‐
ion nuts with clean en‐
gine oil
❑ 16 Nm + 45°
5 - Bolt
❑ renew
❑ Tightening torque and sequence
.
6 - Hose clip
7 - Fuel supply line
8 - Electric connector
Tightening torque and sequence
High-pressure pump - tightening torque and sequence
To prevent flange of high-pressure pump from being deformed
during installation, fit high-pressure pump as follows:
– Tighten bolts in stages as follows:
stage
Bolts
Tightening torque/angle specification
1.
-3-
Screw in by hand until they make con‐
tact
2.
-3-
Tighten one turn alternately until
flange of high-pressure pump makes
contact with camshaft housing
3.
-3-
20 Nm
4th
-3-
turn 90° further
León 2013 ➤ , León ST 2013 ➤
4-cylinder petrol engine (1.2 l direct injection, 4 V, turbocharger, EA211) - Edition 02.2017
246
Rep. gr.24 - Mixture preparation - injection
