1.2 TDI CR engine (EA189) · Mixture preparation – injection · High-pressure pump
High-pressure pump – assembly overview and fastening
- 1 O-ring
- O-rings are only to be renewed if necessary.
- Removing and installing ⇒ 3.1 Assembly overview - injectors
- 2 Fuel return lines (from injectors)
- To high-pressure pump
- The fuel return line must be free of kinks, damage and blockages.
- Do not dismantle the fuel return lines.
- 3 High-pressure line
- 28 Nm
- Between high-pressure pump and fuel rail
- Install so that component is not under tension
- 4 High-pressure pump
- Removing and installing ⇒ 4.1 Assembly overview - high-pressure pump
- With fuel metering valve - N290- (do not open)
- After renewing, a first fuel filling must be performed (never allow the pump to run while it is still empty) ⇒ 1.3 Filling/bleeding fuel system.
- 5 Bolt
- 20 Nm + turn 180° further
- 6 Bolt
- 20 Nm + 45° further
- 7 Bolts for high-pressure pump toothed belt pulley
- 20 Nm
- 8 Toothed belt pulley on high-pressure pump
- 9 Nut
- 95 Nm
- 10 Hub
- Use counterhold - T10051- to loosen and tighten.
- To remove, use puller - T40064-.