Tundra Radiator Bypass!
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- Опубліковано 11 лип 2024
- In today's video I knocked out replacing the broken radiator on the Tundra and also bypassed the transmission fluid radiator setup to go right up to the TRD oil cooler!
This modification to the Tundra's transmission cooling might not be suitable for all regions, specifically, this should not be done if in a cold climate in my opinion. I am solely doing this to simplify the system and eliminate the potential for the notorious Strawberry Milk Shake of Death to occur later in the radiator's life. Being that I am located in a hot environment and already have a transmission oil cooler, there should be no major detriments from not having the original OEM routing to the radiator.
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#Tundra #TRD #Toyota - Авто та транспорт
I never knew this was trans cooler for transmission. I have 2001 tundra thanks for teaching me.
Nice video man. Newer radiator replaced by the previous owner in my Sequioa failed internally within 300 miles of my ownership and leaked coolant into trans. I caught it early and barely put miles on it but would highly recommend that all Tundra/Sequioa owners gets a trans cooler to create an independent cooling system.
I'm a victim of the dreaded pink milkshake in the transmission caused by this. 2005 Tundra with 175K miles and believe the radiator is the stock one. Trans started slipping so I check the fluid and that's when I found it. Hopefully my transmission isn't rusted and shot, going to flush it, new radiator and bypass radiator as well. Thanks for the video.
Sorry to hear! From what I know if it gets flushed soon enough your trans might end up being fine, hope that’s the case for you 🙏🙌
Haven’t watched vid yet, but from reading the comments seems y’all missing two key pieces of info- 1 Champion makes an aluminum rad for a little more than 300 bucks, lifetime warranty. And Derale makes an in-line thermostat for those of you who just want to bypass. Since the radiators in these go South sooner or later, not always via milkshaking the ATF, I’m just gonna get a Champion. Stuck on into my ole turbo diesel Scout II years ago. They’re high quality imho
I’ll more than likely go that route on the next one, I totally get these plastic end tank units don’t fair well 🙌 I’ll check out the in line thermostat might be an easy Sunday project 👍
I bought a crashed tundra basket case and couldn’t figure out how all the transmission cooler hoses where supposed to be routed but your video help me sort out the plumbing on this end so thank you for posting this.
Pretty simple, once you figured it out. Great video. Thnx for sharing!
Great video
Do this immediately!!!! I have a 2006 4.0L Tundra,and this is my 3rd transmission. My first one,the Toyota dealership couldn’t find why at 30mph,it would shudder like the bumps you hit when you leer a little off the road,so they put a new,R&R transmission in at 64k miles. At 84k miles it started again badly,so I went to drain my trans fluid and had a milkshake. Flushed the trans after I got a new radiator and trans cooler,but went through 12 gallons of fluid to flush while trans still did the same thing. Lazed about till I got a used trans from a totaled tundra. Bought a new torque converter,put the transmission in at 93k miles and routed lines to the cooler. Hadn’t had any,any problems since. I’m at 110k miles and running excellent. Oh,and until I got my 3rd trans,from all the shuddering,I had to replace the drive shaft hanger bearing 4 times. This is a Toyota flaw and should be a recall. If you don’t do this,well,your gambling with about 5 grand worth of troubles. In Louisiana,it’s hot and freezing but I don’t travel long distances. Hoped this helped.
Couldn’t agree more and sorry to hear about your troubles! But yea I think the whole idea of radiator cooling other fluids was an idea used in the 90s early 00s that just didn’t pan out how they expected it to. In theory maybe a good idea, but in the real world of parts wearing at different intervals, a disaster waiting to happen.
Hi there, thanks for this video man. I wanted to ask if this was how you still had your lines set up? I'm wanting to do the same to mine and wanted to eventually replace the stock trans cooler with a Hayden 699. That model comes with a bypass so that ot could get up to temp sooner in colder climates. Let me know your thoughts and I how all is going well with the truck 👍🏻
In all reality I probably should be running some sort of thermostatic bypass as well so the cooler doesn’t run until it needs to, but I tend to just drive the truck slow initially and let it warm up before I get in the gas any kind of hard. FL has an average Temperature of 90F year round if I had to guess, so our cars are almost always “preheated” imo haha. I did recently tow my FRS with the tundra though, it did way better than I thought it would, shifted perfectly smooth, even towed with OD on when the roads got mild and it didn’t skip a beat! I think some of this is credit to the 03 transmission being revised, but I was extremely impressed, averaged 70mph with a ~6k payload. (U-Haul trailer + FRS)
I just got to Florida and my fuckin t light just came on🤣
Apparently Mishimoto sells a radiator that has cooler built in but is somehow totally separated from the radiator fluid to prevent this. Great idea otherwise but like you said, I'd be wary any time temps are under 40 or 50 degrees. Although I also wonder how low could you go if you just let it warm up for a few minutes before driving. But then again, it could get cold again while driving too, hence why the radiator fluid helps in both extremes.
All great points, safe to say I wouldn’t feel as confident doing it if I didn’t live in a furnace so I’d definitely be wary as you said if you’re ever in cold environments
@@ryevdee6064 yeah I hear ya. I live in San Diego where like most people I only drive during the day and it rarely gets under 40 at night here save for a few weeks out of the winter but it was in the 30s last night in some areas. So like Florida we have some occasional cold snaps.
My truck is from San Diego and I lived there for a year or so in 09! 🫡🤘
@@ryevdee6064 Nice man! I’m in Clairemont just up the hill from PB. Been here 20 years. Love it, just don’t love the cost lol.
That’s the only thing that ran me out of there! 😅
Still good after 9 months? I have to replace my radiator and I’m thinking about bypassing while I’m at it.
Yup! No issues on my end!
I will say though, if you don’t have an oem trans cooler, I’d add one in to be on the safe side. The radiator style “cooling” works in 2 ways, helps the transmission warmup on cold starts, since water temp rises far quicker it helps the trans get ready for the initial shits, in a cold climate, this is beneficial. Secondly it helps maintain the temp once it’s up to temp, so it’d be hard for the trans temp to go beyond engine operating temps since it’s linked if that makes sense. However, once the temps rise up to operating or beyond, let’s say ~190F+, your trans could be cooler than that, but it’s stuck to your water temp which could be going as high as 220F from what I’ve seen.
Only time will tell if I pay a price for bypassing it, but I did tow my FRS recently, ~5k lbs with U-Haul trailer, 2 hours with OD on at times when it was neutral gradient, didn’t get any overheating issues whatsoever. Now granted, the light for “overheating” the trans is pretty drastic, something like ~300F, but I seriously doubt I’d be in that arena. I’ll have to figure a way to monitor it and I’ll update on a video in the future for sure. 👍