RX - 1st Gen (1999-2003) Discussion topics related to the 1999 -2003 RX300 models

Toy to lexus trans swap

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Old 06-06-22 | 12:04 PM
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Default Toy to lexus trans swap

Does anyone know if a 2000 Avalon trans will work in a 01 lexus rx300
Old 06-06-22 | 05:02 PM
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Hi friend, have no idea so I'm not much help.

Just stopping by to say welcome to Club Lexus and invite you to tell us more of the story.
What's going on with your car if you wanna tell us, might interest more people with more interesting info you can post.
Old 06-06-22 | 11:10 PM
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Originally Posted by yozeppie
Does anyone know if a 2000 Avalon trans will work in a 01 lexus rx300
They both share the same engine, so theoretically it should work. Just keep in mind the avalon trans is front wheel drive only, so if your rx is awd you're outta luck
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Old 06-07-22 | 07:58 AM
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The devil is in the details. Casing has support holes for particular vehicle. Even if the transmission mates and every thing hangs properly, the electronics may behave differently.

Salim
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Old 06-07-22 | 12:26 PM
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My daughter has a 01 lexus rx300 that the trans does not go into reverse and now is slipping in all other gears i changed the all the sensors in the trans and it worked for about a month and started doing the same thing so i found a 2000 Toyota avalon with the same motor and trans for pretty cheap just need to know if it will fit
Old 06-07-22 | 12:29 PM
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TY that's what i thought just wanted to confirm
Old 06-07-22 | 12:32 PM
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RX has the U140F Avalon A541E they are not compatible.
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Old 06-09-22 | 10:53 PM
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Hi friends, even if the engine would "fit" my biggest worry about swapping between different models is whether everything will bolt up properly or add a nightmare of extra work.

If you fast forward to minute marker 16:00 in video below you can see how he figures out his power steering pump holes are not right and he has to drill and tap holes in the block. Fun!!!

Video for fun if you wanna cringe lol

Old 06-09-22 | 11:13 PM
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Originally Posted by LeX2K
RX has the U140F Avalon A541E they are not compatible.
+1 Lex2k, glad someone knows.

Even still tho, if they were same engine I'd still caution swapping from different models unless someone you know or trust has done it and can confirm- plz see previous post for explanation.
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