MTU Detroit Diesel 183 Series Technical Publication page 350

Group 09
Subgroup 6010
Page 4
Malfunction
Whistling noises in area of
turbocharger
Low oil pressure
Oil contamination
20080/1 E 98-12
Cause
Leaks at:
- Flange connections or gaskets on
air and exhaust pipework.
- Flange seals (shape)
- Hose or plug-in connections.
- Rotor scraping due to excessive
bearing clearance.
Pressurised oil line to turbocharger
damaged.
Oil filter contaminated, wrong filter
installed.
Task Description
Remedy
Replace faulty gaskets.
Check tightness and security of
flanges and connections.
Check whether gaskets jut into pipe
cross-sections. If so, replace
gasket.
Check connections for condition and
security.
Remove lines and check housing on
turbine and compressor side for
traces of scraping. If traces are
found, replace turbocharger.
Replace pressurised oil line.
Replace oil filter. Install oil filter in
accordance with applicable
documentation.
Note:
- Determine exact diagnosis for oil
contamination and rectify.
- Due to high speed, the
turbocharger requires clean oil.
- Check whether correct oil type is
used.
- Fill with oil type in accordance with
Fluids and Lubricants
Specifications.