Notes about Common-Rail components - AH07.16-P-0002-01TX
WARNING: This page does not describe the selected car, but rather 202 other vehicles, including the 2020 Mercedes-Benz SLC300, 2020 Mercedes-Benz SL550, 2020 Mercedes-Benz SL450, 2020 Mercedes-Benz GLA250, and 2019 Mercedes-Benz SLC300. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE 626, 642, 646.8/9, 651
The following notes are important for avoiding errors.
Work on all common rail components always requires:
- Exceptional cleanliness
- Careful operation
- Thorough checks
System features
- System pressure is reduced after 30_seconds.
- Fuel system has independent ventilation.
Operation
- Do not bend high-pressure line or install it under stress.
- Replace seals and stretch bolts.
- Tightening torque to be strictly adhered to.
Tests
- Perform engine test run → Check system for leakage.
- Check leak oil lines by hand for secure seating.
- Replace leaky components if all mentioned notes (tightening torque, new seals) were observed.
General:
- Stop plugs are available as a replacement part for the diesel injection system. Repeated usage is not allowed.
- Use lint-free cleaning cloths.
Start of work:
- Carefully clean working area in engine compartment, tools and workstation.
- Lay out lint-free cleaning cloths.
Progress of work:
- Clean separation points immediately and thoroughly.
- Seal connecting points immediately with stop plugs.
- Remove stop plug immediately before installing part.
- Immediately close container for assembly auxiliary materials.
End of job:
- Close off removed parts with plugs.
- Clean mounting location.