LS - 3rd Gen (2001-2006) Discussion topics related to the flagship Lexus LS430

Bank 1 - which side is it?

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Old 10-22-07, 07:45 AM
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lnguyenh
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Default Bank 1 - which side is it?

Is bank 1 on LS430 the left side or right side (US spec car)? I need to order the O2 sensor for P0135 code but not sure if it is left or right one. TIA.
Old 11-01-07, 11:17 AM
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lnguyenh
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FYI ... Bank 1 is the left side (driver side) for US LS430 spec car.
Old 11-01-07, 12:03 PM
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sonyman
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Originally Posted by lnguyenh
FYI ... Bank 1 is the left side (driver side) for US LS430 spec car.
It's the driver's side on all cars AFAIK.
Old 11-02-07, 09:11 AM
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lnguyenh
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Originally Posted by sonyman
It's the driver's side on all cars AFAIK.
What is AFAIK?
Old 11-02-07, 04:19 PM
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juniorEXE
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Originally Posted by lnguyenh
What is AFAIK?
as far as I know
Old 11-05-07, 05:06 AM
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Thanks junior. lol

As for sonyman statement, I am afraid it might not be true. I have changed the O2 sensor last year on my Mercedes SL500 and bank 1 is on the passenger side.
Old 07-29-09, 09:30 AM
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jdub8
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bank 1 refers to the #1 cylinder on the engine. whichever side #1 cylinder is on your car, that's bank 1.
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Old 09-13-21, 07:30 PM
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pjbutzer
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Originally Posted by jdub8
bank 1 refers to the #1 cylinder on the engine. whichever side #1 cylinder is on your car, that's bank 1.
is that left or right?
Old 09-13-21, 07:32 PM
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pjbutzer
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is bank 1 left or right?
Old 09-13-21, 07:37 PM
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911LE
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Originally Posted by pjbutzer
is bank 1 left or right?
Read post #2
​​​​​​
Old 09-14-21, 02:22 AM
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BigBoomer
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Bank 1 = Left side of car.
Bank 2 = Right side of car.
The location of the driver is irrelevant to the engine.

Some things in the engine bay change sides depending on where the driver sits, mostly due to the different location of the steering column and brake master cylinder.
My battery sits on the left side of the engine bay (UK-right hand drive) because there is no room on the right due to the brake master cylinder and servo.

Right hand drive layout (Japan, UK, etc.)


Left hand drive layout (USA, EU, etc.)
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