Water Road, Portsmouth Island -> DEEP...what to check? also broke off my valance

4runnerlaw

New member
Went to Portsmouth Island, NC last weekend and ventured out to water road which leads to Portsmouth Village, here's another dudes video of this trail (https://www.youtube.com/watch?v=aEsHwVzd_JY) we've had a lot of rain so it was DEEPer than this video...I walked out about 100 yards and it was knee deep so I decided to go for it (stock except 275 KO2's), after that 100 yards she dropped into a hole over the door sills by about 5 inches for about 50' in the in deepest section and came back up to an area knee deep. At this point I was in about 200 yards, about half way but I could tell the 2nd half of the trail was going to be worse.

You have to take a private ferry out to this island, there are no roads, and this trail is about 12 miles down the beach north...no way I wanted to sink my 4runner and wait a day or to get freed with some insane tow/recovery bill or worse hydro lock my motor if it got any worse.

I made it back out, no problem - check all my fluids and things seem fine. I checked the rear diff tonight, expecting some milky fluid, the fluid was clear. Did I make out ok? Should I still drain and re-fill the rear diff? Anything else I should check on?

I'll post a pic from my phone for good measure on the next post - but I didn't get water road, I was pre-occupied thinking about the truck...just a sunset from earlier that day

Oh and by the way, when I went in reverse to pull a 3 point turn and head back out, the front silver valance ripped off my bumper, water force must have caught it and it floated away, every clip tore away from the bumper and I'm left with a tabless valance, I think i'll plastic weld them back on, but why are they so easily broke? I've not seen this on other threads - should I fix what I have, or should I go all out and pick up the black TRD version?
 
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Nice adventure! Glad you made it out on your own power and just having lost a valance!

I'm not clear on the "over the door sills by about 5 inches"? Meaning 5" above the doors up the windows and over the hood? Or up the bottom of the door which would put the water at around top of the tires deep?

The rear diff breather is just to the driver side of the top of the pumpkin unless you did the rear-diff-relocation-mod. The remaining breathers (transmission, transfer case, transfer case actuator, front diff and front diff actuaator) are up to top of the tires at best. Front Diff and actuator are on the top side of the driver side wheel well just under the fuse box. Transmission, transfer-case and actuator sit just ontop of the transmission bell housing dead center and between the firewall and the engine which puts it just shy of the top of the tires.

In any case seeing the milk in the rear diff. I would definitely swap out the rear. I would say do the front diff and transfer case too.

The transmission is a whole different trick though since it has "life-time". It is not easily checked, or drained and filled for that matter. There are some threads in here about draining the pan, filling through the slightly higher fill hole driving around for a while, draining and filling and driving over and over again like 15 or more times to eventually swap out most of that fluid.

The Transmission has a special fluid and from what a Toyota mechanic told me it can't be contaminated with other transmission fluid if I wanted a Power-flush-and-fill. Basically that would mean they would have to have a dedicated power-flush-fill machine just for the "Life-time" transmission fluid. Mixing it with the power-flush-fill machine used for other types of transmission fluid would contaminate it. He continued on to say that it would be hard to convince the dealer to buy that expensive machine for swapping out fluid that is meant to be lifetime. Clearly they are not focused on servicing the off-roading crowd lol.

Good luck with the vehicle! Hopefully no electrical gremlins start to show up if the water was up and into window height!
 
5" above the bottom of the door Sills the wake and initial drop of the nose took water to the top of the hood line for a few seconds but never over the hood. I guess in need to check some more fluids to be more at ease but rear diff was clear so hopefully that's a good sign


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I'm thinking that is freshwater correct? I remember a few years ago down at Oregon Inlet my friend kept going through the saltwater at high tide in his Ford F150 (stock) and I was in my Jeep TJ on 37" Iroks with a spool and arb front. About a year after the beach trip he was pulling out onto a main road here in town and the rear axle seperated from the truck leaving the truck sitting on the rear bumper. I kept telling him it was all the rust on the truck from the salt water :der:

I'd drain anything I could and replace just for the peace of mind.:thumb:
 
Water Road is fresh water but I wouldn't be surprised if there is some salinity to it just from the salt/sand in the wind. I wouldn't drive in salt water, I grew up in Buffalo and never want to see that kind of rust on my vehicles again.

Luckily the 2 hour drive home was 2 hours of rain, she got a great rinse at 80mph speeds, and I hose her off good after any beach trip.

Since the rear diff is the most susceptible, I'll drain and re-fill on Friday, if I see any contamination at all I'll look at replacing the other fluids. If it's completely fine that will give me peace of mind that the rest should be in good shape too.
 
It's fresh-ish, it's plenty salty. Rinse everything really well.

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Too easy... new valance arrived next day - that bumper cover takes less than 10m to remove


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