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March 26, 2020 Service bulletin

TT: In certain cases of leaking air conditioning systems, the root

Lexus technical service bulletin L-TT-0254-18 for 2015-2020 Lexus ES350, 2015-2020 Lexus RX350 and 2015 Lexus IS 250 and others.

Bulletin number
L-TT-0254-18
Component
Equipment: appliance: air conditioner
Summary
TT: In certain cases of leaking air conditioning systems, the root cause of the leak is inadvertently overlooked, causing a repeat repair. To improve customer satisfaction and repair A/C system leaks in one dealer visit, Toyota has developed a set of guidelines for evaluating A/C system components.

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