Injector needle lift sensor

INJECTOR NEEDLE LIFT SENSOR

Service repair no - 18.30.72

Remove

NOTE: The injector needle lift sensor is an integral part of No. 1 injector and can not be replaced separately.

1. Disconnect battery earth lead.
2. Remove engine acoustic cover. See BODY, Exterior fittings.
3. Remove needle lift sensor multiplug from injector pump mounting bracket.

4. Disconnect needle lift sensor multiplug.
5. Position absorbent cloth around fuel injector to absorb any fuel spillages.
6. Remove spill return hose banjo bolt and discard 2 sealing washers.

CAUTION: To prevent damage to fuel system pipes or components use 2 spanners when loosening or tightening unions.

7. Slacken injector pipe union at injector. and FIP.
8. Disconnect injector pipe from injector and move aside.

CAUTION: Plug the connections to prevent the ingress of dirt.

9. Remove bolt and collect clamp plate securing injector to cylinder head.
10. Remove injector from cylinder head and discard sealing washer.

Refit

1. Thoroughly clean injector and injector seat in cylinder head.
2. Fit new sealing washer to injector and fit to cylinder head.

CAUTION: Domed surface of sealing washer must face towards injector.

3. Fit clamp plate to injector, align injector and clamp plate to bolt hole in cylinder head.
4. Fit injector clamp plate bolt and tighten to 25 Nm.
5. Remove plugs from injector, and injector pipe.
6. Using new sealing washers fit spill return hose banjo bolt to injector and tighten.
7. Clean injector pipe/union.
8. Position injector pipe to injector and connect union,tighten to 20 Nm.

CAUTION: To prevent damage to fuel system pipes or components, use 2 spanners when loosening and tightening unions.

9. Connect needle lift sensor multiplug.
10. Fit needle lift sensor multiplug to injector pump mount.
11. Fit engine acoustic cover. See BODY, Exterior fittings.
12. Connect battery earth lead.