Vibration Or Noise
- Inspect for defective bearings or interference of rotating parts with related objects. Consider neglect of engine oil change, sustained use with contamination in oil pipe, a restricted or broken oil filter. Check for repeated abrupt starts and stops that could cause bearing failure.
- If no problem exists with lubricating system, an incorrectly balanced rotating section or bent shaft may be suspected. This is due to excessive wear of bearings or contamination that has caused damage to turbine or compressor wheels.
- If any of the above mentioned conditions exist, turbocharger assembly must be replaced. Before a new turbocharger assembly is installed, carefully check intake manifold system for contamination and/or broken turbine or compressor wheel pieces.