13 53 170 Replacing All Pressure Lines

13 53 170 - Replacing all pressure lines (M57T2)





Special tools required:
- 13 5 020





Necessary preliminary tasks:
- Read fault memory of DDE control unit
- Switch off ignition
- Layout of common rail system Layout of Common Rail System
- Remove intake air manifold
- Cover intake ducts





Important!
When working on the oil, coolant or fuel circuit, you must protect the alternator against contamination.
Cover alternator with suitable materials.
Failure to comply with this procedure may result in an alternator malfunction.





Important!
It is essential to adhere to conditions of absolute cleanliness when working on the fuel system.

- Do not allow any dirt particles or foreign bodies to get into the system
- Use only fluff-free cloths
- Remove all traces of dirt before removing pipes or individual components
- Seal all fuel system openings with protective caps





Recycling:
Catch and dispose of escaping fuel.
Observe country-specific waste-disposal regulations.





This procedure is applicable to all pressure lines:
Release union nuts (1) on pressure line (2) with special tool 13 5 020.

Note:
Reset special tool in good time in order to avoid bending pressure lines.

Installation:
If replacing:
Do not mix up pressure lines!





Installation:
Risk of injector breakage!
Observe tightening torque 13 53 1AZ 13 53 Injectors and Lines without fail.
1. Hand-tighten all union nuts on pressure lines.
2. Tighten down union nuts on injectors to specified torque.
3. Check all components of common rail system for leaks.