GX - 2nd Gen (2010-2023) Discussion topics related to the 2010 + GX460 models

2019 GX460 100k miles needs trans, diff, and trf case service

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Old Mar 28, 2026 | 10:31 PM
  #16  
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Like I mentioned
(Use Idemitsu PSF)
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Old Mar 29, 2026 | 02:42 PM
  #17  
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Originally Posted by duke5150
I am going to do the Radiator fluid and power steering fluid change myself as an amateur.
I purchased the Radiator fluid and cap from the Toyota dealer and price was 50% of Lexus parts.

Is this a good fluid for the power steering fluid change? --> Valvoline MaxLife Multi-Vehicle ATF Full Synthetic Automatic Transmission Fluid 1 Gallon
Yup its fine. personally would get the quarts to make life easier, but thats just me.
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Old Yesterday | 04:44 AM
  #18  
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Originally Posted by gxLover1
drain and refill the coolant (Use toyota long life coolant)
Toyota Long Life coolant is the older red coolant
It needs to be Toyota Super Long Life coolant (pink)
I use Aisin ACT-002 from Rock Auto, price is much better and it's a direct, single-spec cross to Toyota SLLC2.

Last edited by BenCSVT; Yesterday at 04:46 AM.
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Old Yesterday | 09:57 AM
  #19  
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Was able to purchase the Toyota Super Long Life PINK coolant SLLC2 from Toyota dealer for $20.89 each
and the Radiator Cap 16401-31830 for $17.73.

And I am also going to replace the PCV valve (12204-38010) ordered online from Lexus Dealer $7.73 plus $5.25 postage.
Any advice as I am an amateur?

(Hopefully, after all this work - Tires and Battery from Costco, Trans fluid and drop pan, F&R diffs, Trf Case, grease drive shaft and joints (professionally done), Radiator, PS, and PCV) I can get another 100k miles from this wonderful GX460 - and not have to buy my wife a new vehicle)

Last edited by duke5150; Yesterday at 10:04 AM.
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