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Aug 28, 2025
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SF Bay Area
Hello guys, my son and I are the new owners of a beautiful 2006 LX with 177,000 on the clock. Overall it looks great with all original glossy paint, nicely preserved leather interior and all original glass with the exception of the windshield. It's a California truck so luckily no rust anywhere.
Due to the lack of recent records and for a peace of mind we decided to perform/replace most common maintenance items.

Things that were done by previous owner:
1- Timing belt and water pump at 175,000 miles
2- Radiator back in 2018

What we did so far:
1- Flushed engine with Liqui Moly engine flush. Refilled with some cheap oil, ran engine for 5 minutes then drained again. Refilled with 5w-30 synthetic, added Liqui Moly Engine Saver to rejuvenate and swell up gaskets. Replaced oil filter.
2- Drained and flushed an entire cooling system several times with 9 gallons of distilled water then refilled with Toyota pink coolant. Old coolant looked like a piss of a sick rhinoceros.
3- Replaced thermostat with Aisin brand. Old one looked pretty bad (rubber was deteriorating). I don't think it was ever changed.
4- Drained and refilled power steering fluid by disconnecting return line method. Refilled with Toyota ATF/power steering fluid. Old fluid was pitch black.
5- Replaced PCV valve with Toyota oem one. The original looked gunky, probably never changed either.
6- Air filter, Aisin brand
7- Cabin filters, Wix brand. Old ones were disgusting.
8- Serpantine belt. Old one was getting noisy.
9- Hood shocks. Old ones would not hold hood longer than 3 minutes.
10- Cleaned throttle body.
11- Cleaned MAP sensor.
12- Ran a can of Berryman B12
12- New key shells.

To do list (tomorrow and/or next weekend):
1- Spark plugs. Bought them from Lexus (don't trust Amazon or Ebay, too many knock offs).
2- Re -boot coils with TRQ brand parts.
3- Fuel filter, Toyota OEM
4- Hydraulic fluid Toyota OEM
5- Differential fluid with Triax Synergy Gear Max 75W-90 GL5
6- Transfer case fluid with Triax Synergy Gear Max 75W-90 GL5
7- Transmission flush with Aisin WS (got to do more research on which method I should go with).
8- All TPMS sensors. One sensor is bad, might as well do them all.
9- New tires. The ones that came with the truck are from 2016.
10- Rejuvenate leather with Kochchemie products
11- Refinish headlights with Cerakote kit.
12- Brake fluid flush.

Am I forgetting anything? Please let me know if there are other items I should replace or service. This forum has wealth of information and is an excellent resource for LC and LX DIY-ers. I've learned a lot by reading and making notes. Glad to be a part of this wonderful community and hopefully can contribute as well!

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You did get YotaMd fobs from @suprarx7nut correct?
Not familiar with YotaMd. I got the Lexus fobs from Ebay. They fit and look really good.
Looks like quite this list. I may have missed it… but heater tees should be on that list.
Those seem to be in good shape as far as I can tell. I'll definitely do them at some point.
 
You did get YotaMd fobs from @suprarx7nut correct?
I've got two...Old primary master and stashed back up master. Great Product
No plastic hoop to break and lose the key.

Do the heater t's even if they look okay. cheap piece of mind

and...Welcome!! :beer: :cool: :beer:
 
Welcome... The 2006 is an amazing vehicel. I've owned mine since Oct. 2020... The YotaMD Titanium Key Fobs are the best... No worries about breaking the plastic case again! Also, replace the heater "T's", hoses, and clamps with OEM... They lasted this long and with new ones you will be set to go for another 20 years. You might want to check on the packing of the front bearings as Toyota recommends every 30k miles... The complete Brake Booster/Master Cylinder assembly is something to pay attention to as it tends to go at around 240,000 miles... Read up on the LED Projector headlight conversion as that is probably the most beneficial thing you can do as the stock headlights are not very good. And on a Pearl White LX470, I find a Blackout hood to be essential...
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Where did you get the blackout hood panel? The guy I got mine from years ago no longer sells/makes.
 
Definitely doing Ts right after I am done with my list.

Done today:
1- Spark plugs, all looked pretty old and worn out especially #8.
2- We were hoping to re-boot the coils come to find out that all of the coils had cracks, some boots were so crusty that they broke in my hand. Lexus dealer wanted $100 per coil, Toyota dealer wanted $150 per coil?!?! Neither one had them in stock. Luckily O'Reilly had a whole set of Import Direct brand in stock with lifetime guarantee for $199.00 total. They look better made than OEM, time will tell.
3- Hydraulic fluid, done. It was pretty dark looking. Definitely glad that we replaced it.
4- Fuel filter, done. It looked king of fresh on the outside, but who knows, looks can be deceiving.
5- Chem washed engine bay. Previous owner didn't drive it much in the last few years so a rodent made a nest in the there. Luckily it didn't damage any of the wiring.

Here is what my coolant and coils looked like:

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Welcome and congratulation on your find.

As a baseline, we always replace heater tees, if no direct knowledge they were done. While tees off, blow out the heater cores. Also with coolant service. Drain the block (both sides) and R&R the thermostat (jig valve up). I use only Toyota thermostat and Toyota SLL (pink), in 04-up. Make sure to check under radiator cap for air, and top each morning before sun-up. keep checking and topping until no air.
Wash the radiator fins.

Almost every 100 series I look inspect, wheel bearings are loose. Make sure to check them.


It supper rare to every find a 100 series, that has had axle needle bearing and brass bushing lubed. Which is due each 30K miles, with wheel bearing service.
White grease is factory lube.
01 LX470 PS Knuckle Axle bearings & bushing 4-6-16 048.webp

If not pulling knuckle, I use the Slee spindle lube tool
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Slee spindle tool 3 (4).webp

Slee spindle tool 3 (3).webp


Make sure to check ball joints for movement.

Clean & flush power steering fluid.

FDS (AKA CV) very often on the LX470. We'll find the inner CV boot weeping under small clamp. Replace the clamp with NAPA small CV crimp boot clamp.
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Boot Reclamp DS (6).webp
Boot Reclamp DS (7).webp


Understand how to properly set brake fluid level. Do not over fill. I only use Toyota brake fluid to flush and or top.

Automatic Transmission fluid (ATF) I flush all 12 qts. In the 04-up I use Toyota WS ATF. Level set at ~100F

Very important on the VVT:
The VVT in the 06-up, have a little filter that fails in the Secondary Air Injection system (S.A.I.) pump ( blower). I inspect filter if missing from view, looking bad or getting under intake manifold for any reason. I remove S.A.I. filter, and install a replaceable one.

Look at gas cap area. If mucky, fuel tank has likely been overfilled. It has for sure been "boiling fuel". The OM states, in the 03-up: Never add more fuel, after auto shut off of fuel filling station pump handler. Doing so, will flood charcoal canister, which then needs replacing.

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Where did you get the blackout hood panel? The guy I got mine from years ago no longer sells/makes.
I originally was going to install the premade one by CRAWLORADO but, because I sit high in the vehicle, I wanted a bit more coverage. I had the hood custom wrapped by KUTTEK in San Leandro and they did a fantastic job. I had them go out the front to where I couldn't see the edge anymore and went out to the hood lines on the sides. I also checked into the hood mounted solar panel made by CASCADIA 4X4 but ended up with the custom blackout panel. KUTTEK does not recommend matte black as it doesn't last in the sun for a long time. I ended up going with a 3M Textured vinyl that works great even though it is a little tougher to clean.

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