TT: There has been some concern with 3 Piece Piston Ring installations for 2AZ-FE engines
Scion technical service bulletin S-TT-0099-15 for 2008-2015 Scion XB and 2007-2010 Scion TC.
- Bulletin number
- S-TT-0099-15
- Component
- Engine and engine cooling
- Summary
- TT: There has been some concern with 3 Piece Piston Ring installations for 2AZ-FE engines. This Tech Tip contains the accepted installation method required for Scion vehicles.
Owners of these vehicles have filed 180 complaints in the engine category.
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