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This is my experience. I have a second set of winter wheels with new never used Toyota TPMS. I used the settings to indicate that I installed the second wheel set (you can ‘register’ two wheels sets). After I installed the second set of wheels, I received the same message you did – something...

SR5 Sport, Limited, Platinum Off-Road TRD Pro / Trailhunter Approach Angle 18 degrees 18 degrees 19 degrees 33 degrees Departure Angle 22 degrees 22 degrees 24 degrees 24 degrees Breakover Angle 23 degrees 24 degrees 24 degrees 24 degrees Ground Clearance 8.1 inches...

This what I use: For every 10°F change in temperature, tire pressure changes by about 1-2 PSI.

Update - October 31, 2025: It has been 24 days since the Mechanic reset the TCM. For the first 10 days or so, the shifting was all over the place but has steadily got smoother and it appears the TCM has ‘relearned’ my driving habits. As of today, the ‘rough shift, cold truck’ issue appears to...

https://www.4runner6g.com/forum/threads/6th-4runner-trd-pro-1st-2nd-gear-shift-issue.6503/post-86677

Rough shifting – Cold Truck As noted previous, I'm also experiencing the rough shifting from 1st to 2nd in the morning when the truck is cold. I developed a log (Excel spreadsheet) where I recorded the date, milage, and description of the shifting problem for 35 days. I logged over 20 rough...

Naturally aspirated engines, which rely on atmospheric pressure to draw air into the cylinders, are significantly affected by altitude. With reduced air density at higher altitudes, a lower Octane level can be used. This same general statement cannot be made with modern turbo engines. A...

Thanks for your comments! One thing I did not include in the post is that once you install the TRD Pro intake (4A, 'foam method') you can switch between "music" (Trailhunter) and no music(TRD pro), by simply installing or removing the foam from the snorkel inlet only. No need to plug the TRD...

Both the LC and 4R have a 11:1 compression ratio. I have not yet read a reasonable explanation why Toyota recommends 87 for the 4R and 91 for the LC?

If you like the Trailhunter, but don’t like the snorkel noise, this post is for you. This post builds on many other threads on this and other forums. Here are two options to eliminate the Snorkel noise: Option#1: Plug the Snorkel Steps: Unclip the four clips and move the air box cover to the...

I have lived in Utah for 25 years at an elevation of 7500’ where we get about 20’ of snow annually. This is my tire setup: Summer tires - Falken WildPeak A/T4W (off-road AT tire). I have used KO3 and others. I spend a little time off-roading in southern Utah on not too friendly roads! Winter...

Using your multi-informational screen (center of gauge cluster), go to settings and turn off PKSB (Parking Support Brake). This will stop the braking. You will still get an alarm but the brakes will not be applied. You can also turn off the alarm, but I don't turn it off. NOTE: The PKSB will...

Thanks for the info! Had no idea there are two 'versions' of the 265 70R 18 SL Toyo AT 3. That explains my bewilderment when I replaced a OEM tire and the new tire had different tread depth!

A simple solution to your desired bi-setup: 1) When wanting to use the snorkel, keep the 'lower plug' in place. 2) When not wanting to use the snorkel, shove a sponge or 6" nerf ball (works really well!) into the snorkel hole and remove the lower plug. Downside is that you have to remove the...

TH = Trailhunter LC = Land Cruiser

There have been a number of posts from LC and 4R owners, reporting rough shifting ('bucking') from first to second, especially when the drivetrain is 'cold'. I have experienced the same issues. I now keep a log of when it occurs. Just this week, took my TH to the dealer and provided them with my...

Since the 2025 4Runner is so new, getting the correct part numbers can be difficult. Went the the dealer to get a replacement cabin filter and the 'updated' part numbers for the cabin filter are as follows: 87139-60030 is the non-carbon cabin air filter version 87139-30110 is the carbon cabin...

Many TH owners have ‘plugged’ or otherwise mitigated the snorkel noise. I’m considering converting/modifying my TH airbox to a TRD Pro airbox. I think only three parts are needed: (1) Hose from the bottom of the airbox (where the rubber cap has been removed) (2) Inlet basket (3) Four clips. For...

As stated, 33 psi (265/70R18 Toyo Open Country A/T) is the recommended pressure and works just fine for daily driving. Note, my TH came with 48 psi just like most others and the Dealer did not set the correct pressures. Now for off-road and airing down. All trails are different and I air down...

I previously posted that I thought my TPMS system needed calibrating. I was wrong! Being a Master scuba diver with extensive training in relative and absolute pressures, I should have immediately known better! Situation: I live at 7,500 feet and noticed that my 2025 TH TPMS system readings are...