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2021 tacoma 3.5l PAG PSD1 compressor oil

Discussion in '3rd Gen. Tacomas (2016-2023)' started by Tacogrl98, Jun 27, 2025.

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Jun 27, 2025 at 3:35 PM

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Tacogrl98 [OP] New Member

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We are replacing a/c compressor and it calls for PSD1 compressor oil. What makes this different than other PAG compressor oils, and if that's what I absolutely need, where can I find it? Also is it actually a PAG 46 or a PAG 100?

Last edited: Jun 27, 2025

Tacogrl98, Jun 27, 2025

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Jun 27, 2025 at 3:43 PM

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Bishop84 Well-Known Member

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Looks like PSD1 is bascially PAG100, thicker. I wouldn't mess around.

That said I have likely put ND12 in tacomas without realizing and its always been fine.

The compressor you are buying might be pre-oiled. You may not need to add much.

Bishop84, Jun 27, 2025

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RustyGreen likes this.

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