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September 30, 2015 Service bulletin

TT: ? Based on current part order allocation, some piston types have been incorrectly identified while...

Lexus technical service bulletin L-TT-0188-15 for 2010-2012 Lexus HS 250 Hybrid.

Bulletin number
L-TT-0188-15
Component
Engine and engine cooling
Summary
TT: ? Based on current part order allocation, some piston types have been incorrectly identified while undergoing the ZE7 2AZ Oil Consumption repair procedure. ? Replacement pistons for ZE7 should be ordered based on the pistons removed from existing cylinder block and no longer by measurement. ? This Tech Tip includes information regarding production allocation and instructions for identifying piston type on subject engines. This will be published in the next revision of L-SB-0006-15.

Owners of these vehicles have filed 5 complaints in the engine category.

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