High Pressure Pump Overview
- Fuel Metering Valve -N290-
- Cannot be separated from the high pressure pump
- Low Fuel Pressure Sensor -G410-
- 15 Nm
- Seal
- Replace
- Bolt
- 20 Nm
- High Pressure Pump
- With fuel metering valve -N290- (cannot be separated)
- Tighten fuel line connecting pieces before installing fuel lines
- Removing and installing, refer to HIGH PRESSURE PUMP
- Do not disassemble
- Threaded Support
- 27 Nm
- Hose Clamp
- Replace; must be appropriate for the model type .
- Fuel Supply Hose
- Low pressure side
- High Pressure Fuel LineWARNING:
There is a risk of injury because the fuel is under very high pressure.
- Before opening high pressure components of the fuel injection system, pressure must be relieved to residual pressure.
- Reduce fuel pressure in the high pressure area, refer to BEFORE OPENING HIGH PRESSURE FUEL INJECTION SYSTEM .
- Counter hold to loosen and tighten union nut on high pressure pump connecting pieces
- Tighten connecting pieces on high pressure pump before installing
- Installing, refer to Fig 3
- Gasket
- Replace
- Bolt
- 9 Nm
- Camshaft Position (CMP) Sensor -G40-
- Bolt
- 9 Nm
- O-ring
- Replace
- Lubricate O-rings with clean engine oil before installing
- Housing
- Roller Tappet
- Lubricate O-rings with clean engine oil before installing
- O-ring
- Replace
- Lubricate O-rings with clean engine oil before installing
-- Tighten bolts -arrows- on the protective plate -1-.
- Tightening Specifications: 9 Nm
Fig 3: Fastening High-Pressure Line (14 mm) At High Pressure Pump Use Torque Wrench VAS1331 With Ratchet VAS1331/1 And Socket 14 mm 3150
-- First tighten the high pressure line union nut by hand.
-- Make sure the high pressure line does not have any tension.
-- To tighten the high pressure line on the high pressure pump, use the torque wrench 5-50 Nm VAS1331 with the ratchet VAS1331/1 and socket 14 mm 3150.
- Tightening Specifications High pressure line union nut: 25 Nm