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7.2
Removing and installing high-pressure
pump
Removing
• Engine cold.
CAUTION
The fuel system is under high pressure.
Risk of injury due to fuel which may spurt out.
– Release high pressure.
–
⇒ “1.2 Reducing fuel pressure in high-pressure section”, page
Note
♦
Risk of functional impairment due to soiling.
♦
⇒ “3.1 Rules for cleanliness”, page 4
– Remove high-pressure pipe
.
– Unplug the electrical connector -1-.
Note
Use cloth to catch escaping fuel.
– Release hose clip -2- and detach fuel supply hose.
– Unscrew bolts -3- and detach high-pressure pump with roller
tappet.
Installation
– Check roller tappet for damage and renew if necessary.
– Moisten roller tappet -1- with clean engine oil.
– Insert oiled roller tappet -1- into camshaft housing.
Note
Replace the O-ring.
– Turn crankshaft in direction of engine rotation until roller tappet
is at bottom dead centre.
– Place a new oiled O-ring -3- in the groove of the high pressure
pump -2-.
– Tighten bolts hand tight.
– Check complete fuel system for leaks.
Specified torques
♦
⇒ “7.1 Exploded view - high-pressure pump”, page 245
León 2013 ➤ , León ST 2013 ➤
4-cylinder petrol engine (1.2 l direct injection, 4 V, turbocharger, EA211) - Edition 02.2017
7. High-pressure pump
247
