Can recharge r134a into R1234yf car without changing the oil?

Question

Lexus IS

The Lexus IS is a compact executive car sold by Lexus since 1999. The IS was originally sold under the Toyota Altezza nameplate in Japan from 1998.

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Can recharge r134a into R1234yf IS300 car without changing the oil?

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score 1 · Answer 1 · 2025-10-08T03:26:56-07:00

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No, sadly :-(. They don't mix like R12 and R134a did. If you have R1234yf, you need R1234yf - you can't change them out.

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