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Re: Best oil/fluids for 2008 Lexus GX470? [Re: JEL01] #5032005
03/05/19 12:34 AM
03/05/19 12:34 AM
Joined: Jun 2015
Posts: 420
montreal ,canada
madeej11 Offline
madeej11  Offline

Joined: Jun 2015
Posts: 420
montreal ,canada
Your Lexus calls for 5w30. I like Amsoil SS at 10k intervals but there are others that will be adequate for that distance. Tranny fluid if you want a real durable synthetic ATF then use Amsoil's Fuel Efficient blue cap not red cap every 60k miles. The dealer OEM WS fluid is not synthetic.Use Toyota Super Long Life pre-mixed coolant not Long Life, there is a difference. As far as filters go the Toyota OEM oil filter is good for 10k but no more. Air filter same suggestion, Toyota OEM which could last you maybe three years depending on mileage and if the conditions are dusty. Don't get oversold on the air filter and don't open up the air filter box more than necessary. Dealerships and service centers are notorious for selling unsuspecting customers an unnecessary air filter replacement. Easy money.

Re: Best oil/fluids for 2008 Lexus GX470? [Re: madeej11] #5032043
03/05/19 02:32 AM
03/05/19 02:32 AM
Joined: Aug 2016
Posts: 103
NJ, USA
OldEuroCarLover Offline OP
OldEuroCarLover  Offline OP

Joined: Aug 2016
Posts: 103
NJ, USA
Thanks, everyone! This was a ton of very good info.

I haven't purchased this car yet, but I'm going to if tomorrow's PPI goes well.

If 5w30 is the recommended oil, would a thin 40 be okay? I've had euro cars up to now, and have almost always used one of four oils: M1TDT 5w40, Rotella T6 5w40, M1 0w40 or Castrol Edge 0w40. I'm leaning toward either the Castrol or M1 0w40, but I would also like to do whatever I can to help with fuel economy for this gas hungry V8. (Also considering running regular instead of premium gas, but I'm still foggy on if that's okay for this application.)

Originally Posted by NYSteve

- Timing belt is due between 90k and 105k miles. You absolutely can DIY it (I did it 2 months ago), just takes some time and need a couple tools to make it work.


How intense of a job is this, and what tools would I need? I got a quote from an independent mechanic that seemed reasonable: ~$1400 for all factory parts and they'd do the "water pump and thermostat and crankshaft seal and tensioner and idler pulley and various o-rings." I'd typically never consider a mechanic for something like that, but I'm time crunched for the next few weeks and I don't have a lot of my tools where I am right now. (I'd probably end up at Harbor Freight.)

I am indeed leaning toward Amsoil for the other stuff, unless I find some unbeatable deal for something comparable somewhere.

Re: Best oil/fluids for 2008 Lexus GX470? [Re: das_peikko] #5032803
03/05/19 07:52 PM
03/05/19 07:52 PM
Joined: Dec 2009
Posts: 27,752
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline

Joined: Dec 2009
Posts: 27,752
Regina, Saskatchewan, Canada
Originally Posted by das_peikko
Originally Posted by CT8
Dexcool would be a huge no


Why ?

This simplest answer would be that it's not the approved coolant for the vehicle. You suggested that it would be the best coolant. Now, I'm one who's gone out of spec on more than one occasion, all the while being able to explain and rationalise why I have done so. That included using a dexclone in a European application. Since the OP isn't sure, and I'm not sure, why would Dexcool be the best coolant for a 2008 Lexus GX470?


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, Wix 57356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Best oil/fluids for 2008 Lexus GX470? [Re: OldEuroCarLover] #5032901
03/05/19 08:51 PM
03/05/19 08:51 PM
Joined: Dec 2006
Posts: 562
Phladelphia
NYSteve Offline
NYSteve  Offline

Joined: Dec 2006
Posts: 562
Phladelphia
Originally Posted by OldEuroCarLover

Originally Posted by NYSteve

- Timing belt is due between 90k and 105k miles. You absolutely can DIY it (I did it 2 months ago), just takes some time and need a couple tools to make it work.


How intense of a job is this, and what tools would I need? I got a quote from an independent mechanic that seemed reasonable: ~$1400 for all factory parts and they'd do the "water pump and thermostat and crankshaft seal and tensioner and idler pulley and various o-rings." I'd typically never consider a mechanic for something like that, but I'm time crunched for the next few weeks and I don't have a lot of my tools where I am right now. (I'd probably end up at Harbor Freight.)

I am indeed leaning toward Amsoil for the other stuff, unless I find some unbeatable deal for something comparable somewhere.



https://www.toyota-4runner.org/4th-...iming-belt-replacement-2uz-fe-vvt-i.html

This is the best thread you should read/watch the videos. The biggest hurdle is removing the crank bolt, the AC bolts are a pain, and I had to struggle to pull the water pump off. However, I did it in my garage with handtools and was sick that week. I also reco replacing the accessory belt tensioner and idler pulley as they are not included. Depending how close you are to Philly, can always help.

I was quoted $1700 which is just absurd.

Keep us posted what you thought of the vehicle.

Re: Best oil/fluids for 2008 Lexus GX470? [Re: OldEuroCarLover] #5033739
03/06/19 02:06 PM
03/06/19 02:06 PM
Joined: Jan 2004
Posts: 5,355
California
nthach Offline
nthach  Offline

Joined: Jan 2004
Posts: 5,355
California
Those Toyota UZ-series V8s will live a long, happy life on any good 5W/10W-30. I’ve taken a 1990s LS400 with the 4.0L 1UZ-FE to almost 300K with whatever oil I got on sale, the last 60K before the car got scrapped was with high-mileage synthetics. I plan on using M1EP/AP on my parents LS430.

Stick to WS or MaxLife for ATF, and pink Toyota coolant(or Zerex Asian Formula/GC Pink coolant). There are guys out there that are using Prestone or Peak Global with no ill effects. Not my first choice in coolants but Toyota does have a loose definition of suitable coolants. And Prestone Cor-Guard does fit that loose Toyota definition of a “coolant with low levels of organic acids and phosphates” save for the 2-EHA and decanoic acid for the organic acid part.

Re: Best oil/fluids for 2008 Lexus GX470? [Re: OldEuroCarLover] #5034320
03/07/19 01:24 AM
03/07/19 01:24 AM
Joined: Aug 2016
Posts: 103
NJ, USA
OldEuroCarLover Offline OP
OldEuroCarLover  Offline OP

Joined: Aug 2016
Posts: 103
NJ, USA
Thanks again to everyone who responded.

But, in the end, I didn't buy the GX. I was just about to and prepping for what I'd need to do when the PPI revealed a bunch of problems.

I did end up buying a 2006 LS430. So I'll make a new thread about that one. Sorry to everyone who took the time to respond--I hope the next person buying a GX will find all of this useful.

Originally Posted by NYSteve
Depending how close you are to Philly, can always help.


Thank you so much for the offer--I really do appreciate it. I'm moving back to NJ soon, so I might take you up on it!

Last edited by OldEuroCarLover; 03/07/19 01:24 AM.
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