Table of contents: Main characteristics ↓ High pressure fuel pump ↓
Main characteristics
The firing order of the cylinders is 1 - 2-4 - 5-3
Maximum engine speed:
- NC, DE - 5100±50 rpm
- CN — 5400±50 rpm
- 3D — 4800±50 rpm
- 1T — 5200±50 rpm
Idle speed:
- NC, DE - 750±50 rpm
- CN — 830±50 rpm
- 3D — 850±50 rpm
- 1T — 800 - 840 rpm
High pressure fuel pump
Setting the fuel pump injection timing, micrometer readings (after BDC):
- NC, DE — 0.90±0.02 mm
- CN — 0.85±0.02 mm
- 3D — 1.00 - 1.07 mm
- 1T — 0.35±0.02 mm
Nozzles
Injection pressure:
- NC, DE - New 155-163 bar, Minimum 140 bar
- CN - New 120-130 bar, Minimum 117 bar
- 3D - New 130-138 bar, Minimum 120 bar
- 1T - New 180-188 bar, Minimum 160 bar
Tightening torques, Nm
- Camshaft Sprocket Bolt (1T) - 50
- Constant pressure valve to fuel pump - 45
- Fuel cut-off valve - 40
- Fuel lines to the fuel pump and injectors - 30
- Fuel tank - 20
- Fuel pump drive belt tensioner nut - 45
- Fuel Pump Fuel Supply and Return Banjo Bolts - 20
- Fuel pump hanger - 20
- Fuel pump hanger and bracket - 25
- Fuel pump mounting bracket - 45
- Fuel pump sprocket - 45
- Fuel pump installation hole plug - 20
- Fuel Pump Upper Cover - 10
- Nozzle - 70
- Fuel pump return hose coupling - 28
[The article is a reprint of material from AUDImanual]