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LS - 5th Gen (2018-present) Discussion topics related to the current flagship models LS500 and LS460 F.

Front bumper grill - only passenger side is functional?

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Old May 9, 2025 | 02:29 PM
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Default Front bumper grill - only passenger side is functional?

After 6+ years of owning the car since new, I literally just now noticed that the front air dam (non F sport) is functional (looks like a radiator behind the grill) ONLY on the passenger side, with the drivers side sealed off with plastic. Has this always been the case, and if so, why??

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Old May 10, 2025 | 05:06 AM
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Default Auto. Trans. Oil Cooler

The automatic transmission oil cooler is located behind that grille. It seems like an awfully vulnerable location.
Picture is an LC, but I think it is very similar to the LS.

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Old May 10, 2025 | 08:36 AM
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Default

Originally Posted by sajack
The automatic transmission oil cooler is located behind that grille. It seems like an awfully vulnerable location.
Picture is an LC, but I think it is very similar to the LS.
Ahh, thank you! Agree that it seems like a vulnerable position.

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Old Oct 15, 2025 | 12:45 PM
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Default

Its actually a great spot for keeping it cooler. My previous car (GS-F) had the trans cooler on pass-side and motor oil cooler on driver-side. I was thinking to open the driver side just for more air intake cooling. But yeah, once you realize one vent is open......Just feels like I must bring balance with the other.
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Old Oct 16, 2025 | 11:36 AM
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https://www.topendmotorsports.com/le...oler-44605.jpg

It appears the piece mentioned is more center of the LS500.

Last edited by Nalod; Oct 16, 2025 at 11:52 AM.
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Old Oct 17, 2025 | 02:28 AM
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Default Trans Cooler

Originally Posted by Nalod
https://www.topendmotorsports.com/le...oler-44605.jpg

It appears the piece mentioned is more center of the LS500.
On my 2020 LS500 AWD that cooler is behind the small grille on the passenger side.

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Old Oct 18, 2025 | 03:41 AM
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Default Trans cooler

Yup I made sure mine was on the left vent. That link showing center mounted is referring to the Lexus IS.
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Old Oct 19, 2025 | 10:42 AM
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Originally Posted by 06Ultra
Yup I made sure mine was on the left vent. That link showing center mounted is referring to the Lexus IS.
Your most certainly correct!
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Old Oct 20, 2025 | 04:33 AM
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Default Starboard or Port

I’m confused.
It’s best to say either driver’s or passenger’s side.
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