Fuel rail with injectors – assembly overview and fastening

• 1 Fuel pressure sender - G247-
  • Checking ⇒ 5.2 Checking fuel pressure sender G247
  • Removing and installing ⇒ 5.1 Removing and installing fuel pressure sender G247
  • Lubricate taper lightly with clean engine oil; do not lubricate thread
  • 22 Nm
• 2 Fuel distributor
  • Removing and installing ⇒ 2.2 Removing and installing fuel rail
• 3 High-pressure pipe
  • Renew after removal
  • Removing and installing ⇒ 7.3 Removing and installing high-pressure pipe
  • Unions must be free of damage
  • Do not alter shape.
  • Lubricate thread of union nuts with clean engine oil
  • 16 Nm +45°
• 4 Bolt
  • Removing and installing ⇒ 2.2 Removing and installing fuel rail
  • Renew after removal
  • 8 Nm +90°
• 5 Support ring
  • Renew after removal
  • Fuel rail exerts force which secures injector in cylinder head via this support ring
  • Clipped to -item 8-
• 6 O-ring
  • Renew after removal
  • Lubricate with clean engine oil
• 7 Spacer ring
  • Renew if damaged
• 8 Injection valve
  • Removing and installing ⇒ 2.3 Removing and installing injectors
  • Assembly overview ⇒ 2.1 Assembly overview - fuel rail with injectors
• 9 Combustion chamber seal
  • Do not treat with grease or other lubricant.
  • Renewing ⇒ 2.3 Removing and installing injectors

Assembly overview - injector

• 1 Injection valve
• 2 Spacer ring
• 3 O-ring
• 4 Support ring
• 5 Sealing element (top)
• 6 Sealing element (bottom)
• 7 Retaining ring
• 8 Combustion chamber seal