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RX - 4th Gen (2016-2022) Discussion topics related to the 2016 and up RX350 and RX450h models

Maintenance Torque Spec Chart

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Old Apr 28, 2023 | 03:02 PM
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Post Maintenance Torque Spec Chart

Hi forum!

Brand new poster, and newish owner of a 4th gen RX. Did a whole bunch of digging and wasn't able to find the specs for a lot of the maintenance items that I do on my vehicles, and figured that getting them all together with info from a few days of TIS would be helpful to someone other than me.

Look forward to being able to contribute more as I do more!

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Old Apr 28, 2023 | 04:09 PM
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Nice chart and useful information all in one place. Did you happen to get the torque for the drive shaft bolts?
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Old Apr 28, 2023 | 05:12 PM
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Driveshaft or prop shaft? I think I have those handy, I tried to get everything that I could see myself needing to do in the future.
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Old Apr 28, 2023 | 05:50 PM
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My manual says "Re-torque nuts and bolts of drive shaft (AWD)" every 18 months or 15,000 miles.
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Old Apr 29, 2023 | 11:41 AM
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Originally Posted by jcg0324
My manual says "Re-torque nuts and bolts of drive shaft (AWD)" every 18 months or 15,000 miles.
After owning two high mileage AWD RAVA4s and a 1999 AWD RX300 with a 180k on the clock and checking those bolts as required, i think its a waste of time. Never were any of them at any time loose or needed TQed. But, if i don't check them, that will be the time they loosen up.
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Old May 3, 2023 | 05:21 AM
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Originally Posted by Lexspeed
After owning two high mileage AWD RAVA4s and a 1999 AWD RX300 with a 180k on the clock and checking those bolts as required, i think its a waste of time. Never were any of them at any time loose or needed TQed. But, if i don't check them, that will be the time they loosen up.
After numerous searches for torque specs for my drive shaft bolts and nuts I could only find the Lexus NX model numbers. I am not running out tomorrow morning to do the torqueing. Does anybody have these numbers?
Not that concerned about it just want to know. The OP said he would get back but never did.
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Old May 3, 2023 | 06:06 AM
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Originally Posted by jcg0324
After numerous searches for torque specs for my drive shaft bolts and nuts I could only find the Lexus NX model numbers. I am not running out tomorrow morning to do the torqueing. Does anybody have these numbers?
Not that concerned about it just want to know. The OP said he would get back but never did.
Totally forgot until I got the email about this reply. My bad.

6 hex heads: 21 lbft
4 nuts on bolts on the actual shaft and bolts to rear diff: 54 lbft
Carrier brackets: 27 lbft
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Old May 3, 2023 | 08:38 AM
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OK ............... got it
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