73-00-30 Fuel Return Line
73-00-31 Removal of the Fuel Return Line
1. Remove the injector cover - refer to Chapter 85-00-11.
2. Remove the clips [1] from the 4 injectors.
3. Pull down the return line assy.
4. Remove the safety wire [2] and the banjo bolt [3].
5. Remove the clamps [4] from the rail return line [5].
6. Pull down the two return lines [5], [8] from the fitting [6].
73-00-32 Installation of the Fuel Return Line
1. Push the new return line assy into the 4 injectors.
2. Safe it with the clip [1].
Do not scratch the IQA-Code (see picture)
3. Pull the fire sleeve over the return line [8].
4. Push the return line [8] on the fitting [6].
5. Pull the fire sleeve over the rail return line [5].
6. Install new rail return line [5] between common rail and fitting [6] and safe it with a
new clamp.
7. Use heat resistant sealant (see Consumable List) to cover all fire sleeve ends.
8. Install the banjo bolt [3], torque it with 27 Nm and safe it with a safety wire (use only
new sealing rings [7]).
9. Install the injector cover - refer to Chapter 85-00-12.
10. Perform an engine ground run according to Chapter 71-00-03.
11. After the ground run inspect the fuel system for leakage.
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