Supply system
Power system type | |
| Distributed sequential injection, controlled by ECM |
| Direct injection, with manifold («Common Rail») or with distribution injection pump, controlled by ECM |
Type of engine management system | |
| DDE 2.1 |
| DME MS41.0 (Siemens Motronic MS41) |
| DME Bosch Motronic (3.3) |
| |
| Bosch Motronic ME5.2 |
| Bosch Motronic ME7.2 |
| DME 5.1 |
| Bosch Motronic ME5.2 |
Fuel type and fuel tank size | see Specifications to Chapter Vehicle settings and routine maintenance |
Fuel pump outlet pressure, atm | |
| |
| 0.1 ÷ 0.16 |
| 0.06 ÷ 0.09 |
| -0.1, continuous -0.2 for 10s |
| +0.4 |
| 0.2 ÷ 0.3 |
| |
| 2 ÷ 3.5 |
| no more than 0.5 |
| |
| 0.05 ÷ 0.4 |
| no more than 0.5 |
Fuel supply sensor resistance, Ohm | |
| 65 ÷ 90//15 ÷ 40 |
| 480 ÷ 494//470 ÷ 484 |
Operating pressure of the fuel pump, atm | |
| 0.4 |
| 3.5 |
Fuel pump current consumption, A | |
| no more than 6 |
| at least 9.5 |
Operating pressure of the main fuel pump, atm | |
| no more than 3.8 |
Fuel pump current consumption, A | |
| no more than 11 |
High pressure fuel pump, mixture corrector
Engine boost pressure sensor | |
| 5 ÷ 0.25 |
| |
| 50 ÷ 250 |
| 50 ÷ 240 |
M51 engine | |
Code designation injection pump | VP 15VE 6/10 E2400 R 515 |
Emergency valve activation voltage, V | at least 10 |
Emergency valve resistance at 20°С, Ohm | 7.5 ± 2 |
Maximum / / minimum pressure inside the injection pump (at 40 ÷ 60°С), atm | |
| 6.5//4.5 |
| 10//8 |
Bypass valve opening pressure, atm | at least 3.5 |
Data for static adjustment of injection pump (when first installed or new drive chain), mm | |
| 0.95 ± 0.03 |
| 0.90 ÷ 0.78 |
Engines M57, M67 | |
Code designation injection pump (M57//M67) | CP1//CP3.3 |
Pressure inside injection pump | not measurable |
Fuel rail pressure «Common Rail» at starter speed, atm | at least 250 |
M51 engine injectors and lines
Nozzle body type | |
|
KCA 21S71 |
|
KCA 21S76/1 |
Nozzle body type | DNO SD 300 |
Injection start pressure, atm | |
|
150 ÷ 158 |
|
140//160 |
Maximum allowable pressure difference at the start of lifting, atm | 10 |
Mounting washer thickness, mm | 1.0 ÷ 2.0 |
Exhaust system
CO content before/after catalytic converter, % | |
Engines M52 B 28, M52TU | 0.7 ± 0.5//0.5 ± 0.3 |
M60/1, M60/2, M62 engines | 1.0±0.5//no more than 0.5 |
M73 engine | 0.4 ÷ 1.6//no more than 0.5 |
Tightening force of threaded connections, Nm
Fasteners of a turbocharger to a final collector | 50 |
Hollow bolt for oil supply pipe to turbocharger and cylinder block/head | 25 |
Charge air hose clamps | 6 |
Screw plug in the timing cover | |
| 30 |
| 70 |
Injector Assembly Fasteners (M51 engine) | 80 |
Union nuts for fastening the fuel line to the injection pump and injector assembly (M51 engine) | 20 |
Nozzle (to the cylinder head cover) – M57//M67 engines | 9//30 |
Pressure sensor to fuel rail | 38 |
Pressure regulator to injection pump | 9 |
Pressure control valve to fuel rail | 5 |
Pressure regulator to fuel rail | 80 |
Return line to fuel rail hollow bolt | 25 |
Fasteners for injection pump sprocket for M51//M57 and M67 engines | 50//65 |
M51 engine injection chain tensioner fastener | 15 |
Fuel cut-off valve | 20 |
Upstream catalytic converter to turbocharger | |
| 42 |
| 15 |
Clamp for rear additional muffler | 15 |
Electronic catalytic converter wiring harness | 5 |
Fastener for the fuel reserve sensor to the suction device | 2 |
Fuel pump assembly fastener to fuel tank | 6.5 |
Turbocharger mounting to exhaust manifold | 50 |
Hollow bolt for oil feed pipe to turbocharger and cylinder block | 25 |
Charge air hose clamps | 6 |