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If you really want to start fresh

-injecter cleaner
-air filter
-cabin filter
-engine, tranny diff fluids
-oil filter
-inspect bushings/balljoints
-wheel alignment
-clean MAF? although I'm not sure if the 2IS has a MAF
-Seafoam if you want
-Valve adjustment if possible on 2IS


That should keep you up to date. Im probably missing stuff but thats a good list.
 

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What does it entail, and what does it usually cost?
What a 2IS actually needs, and when, for scheduled service:

Every 5k miles- Oil change (it doesn't need it anywhere near this often, especially with synthetic, but going by the book here)

Every 15k- Check air/engine filters (you can change these yourself for free in about 5 minutes each if needed)

Every 30k- Change brake fluid

Every 60k- Change spark plugs

Every 100k- Change coolant.

That's it

Anything else is the dealer selling you crap you don't need.


Things that will require changing on an as-needed basis (that is, when they are actually worn out, not on any schedule:


Tires
Brakes
Windshield wipers/Wiper fluid
Accessory belt


That's it.


Transmission never requires any service at all (auto anyway) Neither does the diff.


NOTE: On the 250 specifically there is a known issue with carbon build up problems... there was a TSB to get 'free' top engine cleaning under warranty for a while, but it doesn't fix the root cause, it just cleans it up for a couple more years... supposedly it is being replaced with a much more extensive TSB that replaces a number of internal engine parts with the intent to actually fix the issue- again this would be free under powertrain warranty (6 yr/70k miles).
 

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Thanks Knight, do you know any way for me to check if any of the regular maintenance was done before I bought it? I got it certified through a dealership at about 90k miles, but have no idea how to check on that stuff. I'm guessing I need to do the coolant though for sure since I just took it over 100k. I'll also have to look into changing my engine filters myself, never done that before.
The filter changes are explained in the owners manual....they're pretty easy (be SURE the climate control is on recirculate when doing the cabin filter... the rest is super easy 5 minutes, but if it's not on recirc you can break it).

If you register as an owner using the VIN on lexus.com you can see the service history of the vehicle.

Now, if previous owners went to Jiffy Lube or did it themselves, that you're out of luck on checking.... but anything done at any Lexus dealership will show up in the service history.
 

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What a 2IS actually needs, and when, for scheduled service:

Every 5k miles- Oil change (it doesn't need it anywhere near this often, especially with synthetic, but going by the book here)

Every 15k- Check air/engine filters (you can change these yourself for free in about 5 minutes each if needed)

Every 30k- Change brake fluid

Every 60k- Change spark plugs

Every 100k- Change coolant.

That's it

Anything else is the dealer selling you crap you don't need.


Things that will require changing on an as-needed basis (that is, when they are actually worn out, not on any schedule:


Tires
Brakes
Windshield wipers/Wiper fluid
Accessory belt


That's it.


Transmission never requires any service at all (auto anyway) Neither does the diff.


NOTE: On the 250 specifically there is a known issue with carbon build up problems... there was a TSB to get 'free' top engine cleaning under warranty for a while, but it doesn't fix the root cause, it just cleans it up for a couple more years... supposedly it is being replaced with a much more extensive TSB that replaces a number of internal engine parts with the intent to actually fix the issue- again this would be free under powertrain warranty (6 yr/70k miles).
*Listen to this guy, because he hit it on the head. Im a Master certified tech for an Atlanta area Lexus and thats pretty much all you need. The new bulletin for the carbon build up problem is to replace the pistons and rings, which some of the pistons are on manual release and backorder. I have already had to rebuild a 2008 IS250 with only 49,XXX miles. If you want my opinion to keep the carbon buildup down run a tandem pcv catch can on the pcv hose behind the intake on the drivers side. They have not deemed a reason for replacing rings yet, but the only thing i can imagine is there is a blow by problem with the rings and the crank case vapors sucked up through the pcv valve are sitting on the top of the valves and not being washed away from the direct port injectors, since there direct injection into the combustion chambers now. Hince the reason there are very limited/almost no occurances this problem exists with the IS350/GS350 because they have a direct injection/port injection for better idle, etc. ie. 6 direct injection injectors and 6 conventional ones.
 

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scheduled to replace the piston for the carbon build up problem. Has anyone replaced their already ? Does it solve the carbon build up problem permanently ?
 

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scheduled to replace the piston for the carbon build up problem. Has anyone replaced their already ? Does it solve the carbon build up problem permanently ?
The solution has only been in use for like 1-2 months, even if someone had it done on the first day they're extremely unlikely to have put enough miles on the car to know if it's a perm. fix or not.
 

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^ wow, good to know that IS350 doesn't get this problem due to the difference in the injection system. thanks for the info guys.
Yeah, thanks to the 350 using dual injection it keeps the valves clean unlike the 250... it's not a lexus specific thing either a lot of the "first gen" DI cars designed in the 2000s that used DI only had the issue from many vendors...

Direct Injection Fouls Some Early Adopters - AutoObserver
 
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