Injection and ignition control system LH-SFI (M119.97 series engines)
Removing
Details of the installation of the fuel distribution line with injectors (LH-SFI)
16 - Bolt; 16/8 - O-ring; 17 - Fuel distribution line; 17/2 - Return fuel line; 173 - Injection fuel line; Y62 - Injectors
1. Relieve pressure using the dedicated valve on the fuel rail.
2. Disconnect all socket of electroconducting from a fuel distributive highway and the inlet pipeline.
3. Disconnect the vacuum tube from the vacuum brake booster.
4. Disconnect the crankcase ventilation tube.
5. Disconnect the vacuum tube from the fuel pressure regulator.
6. Disconnect the blower (17/3) and return (17/2) fuel lines.
7. Disconnect connectors (arrow).
8. Remove the bolts (16).
9. Remove the fuel distribution line (17) with injectors from the intake manifold.
10. Replace O-rings (16/8). Check injectors.
Installation
Installation is made in an order, the return to removal.
ME-SFI injection and ignition control system (M119.98 series engines)
Removing
Details of the installation of the fuel distribution line with injectors (ME-SFI)
16 - Bolt; 16/8 - O-ring; 17 - Fuel distribution line; 17/2 - Return fuel line; 173 - Injection fuel line; N3/10 - Engine control unit (ME-SFI); Y62 - Injector
1. Relieve fuel pressure using the dedicated valve on the camshaft.
2. Disconnect all sockets of electroconducting from a fuel distributive highway and the inlet pipeline.
3. Disconnect the vacuum tube from the vacuum brake booster.
4. Disconnect the crankcase ventilation tube.
5. Disconnect the vacuum tube from the fuel pressure regulator.
6. Disconnect the blower (17/3) and return (17/2) fuel lines.
7. Disconnect wiring connectors from injectors (Y62).
8. Disconnect the wiring connector from the engine control unit (N3/10) and connector (arrow).
9. Remove the left ignition coil cover.
10. Remove the bolts (16).
11. Remove the fuel distribution line (17) with injectors from the intake manifold.
12. Replace o-rings (16/8). Check injectors.
Installation
Installation is made in an order, the return to removal.