Welcome to TurboByGarrett.com
NO Bearings! Bushings Only.
[Infinitesimal Radial Play allowable,As Close as No Axial Play as you can get.]
Call a Garrett Master Distributor in your area:
TurboByGarrett.com - Garrett Performance Distributors
A rebuild kit is less than $80.00 USD.
Some of the Newer Garretts have Roller Bearings!
Hoo Boy,If ONLY they made a rebuild kit with those in it!
Faster Spool UP...better Longevity.
If that "Scraping" noise is either the Turbine or Compressor wheels LOOK at it
(Dis-Assembled)before you attempt to Rebuild it.
These are VERY TOUGH Turbos,Hundreds of Thousands of Miles in them...
IF THE OIL CHANGE FREQUENCY STANDARDS are maintained!