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high voltage cable- cleaning, anti-corrosion, round 2

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Discussion starter · #22 ·
glabrek said:
Anyone knows if the design problem has been corrected for the 2024 XSE Hybrid? Getting mine next week and hoping so...
Click to expand...
I think that only time will tell. I am not certain if it clear what changes Toyota actually made. There may be internal changes, or material changes, along with the cover cut-away change. Seeing that it takes a few years for the issue to show itself, it's too early for someone like me to know (July 2022 build, in Japan- XLE hybrid).

The real tell will be if they move the cable back inside on the next generation build. That means that they don't trust their updated design.
 
#23 ·
The dealer told me the problem isn't there anymore on my new 2023 LE. Could be BS, but I haven't been able to find out any other solid information yet. Waiting to see what happens isn't a good feeling.
Maybe contact Toyota Canada and ask them.
 
#24 ·
I looked @ my cable when I had it on a hoist to change oil a couple months ago & it looks exactly like the pics I've seen of the '22 models. I'll try to remember to get a pic of it when I change oil next time. I plan on spraying it down with a good coating of ACF 50 to help with the corrosion issue before our Iowa roads start getting sprayed with the nasty salt-brine - calcium chloride mixture.
 
#25 ·
kevcules46 said:
The dealer told me the problem isn't there anymore on my new 2023 LE. Could be BS, but I haven't been able to find out any other solid information yet. Waiting to see what happens isn't a good feeling.
Maybe contact Toyota Canada and ask them.
Click to expand...
They added one more gasket into connector. It might solve problem ... or not - time will tell.
 
#26 ·
JLH said:
I looked @ my cable when I had it on a hoist to change oil a couple months ago & it looks exactly like the pics I've seen of the '22 models. I'll try to remember to get a pic of it when I change oil next time. I plan on spraying it down with a good coating of ACF 50 to help with the corrosion issue before our Iowa roads start getting sprayed with the nasty salt-brine - calcium chloride mixture.
Click to expand...
Trying to prevent corrosion that way makes sense, but just beware that the dealerships warn of any substance being applied to the connector, that "may" affect it in any way, will VOID the warranty. Dealerships don't want to cover a legit claim, imagine if they can get out of an expensive corroded wiring harness claim?
 
#28 ·
Greasy said:
What dealerships warn of any substance applied? None of the dealerships that I've went warned about anything concerning the warranty.
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The Canadian dealership I bought it from and a mechanic who works there. They are always looking for a way out of covering a warranty claim. I'd rather not try it and have issues with them in the future.
 
Discussion starter · #29 ·
kevcules46 said:
The Canadian dealership I bought it from and a mechanic who works there. They are always looking for a way out of covering a warranty claim. I'd rather not try it and have issues with them in the future.
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Understood.

But also you should understand that the dealer and mechanic are not the final arbiter of warranty claims. Your warranty is not an agreement with the dealer. Toyota's national office has the ultimate responsibility and authority. You can appeal up the chain.

I am trying to have it both ways- corrosion prevention, but not opening the connector. I figure if they find non-original grease or such inside, game is up. Spraying stuff on the outside? Well, that's all the road salt is doing, too, eh? A legitimate sealed connection won't be affected by a product well-recognized as safe for electrical connectors, just as it shouldn't be affected by road salt spray... (actually, I assume that I am on my own most likely).
 
#30 ·
I totally understand people not wanting to apply anything so not to risk any warranty issues. Im not disagreeing at all. I'm hoping by spraying some Krown on it, to avoid the need for a warranty claim. Won't know if it's the correct choice for some years yet. The amount of salt and brine they put down on the roads where I live in brutal.
 
#31 ·
Krown is good undercoating, I've used Rust Check a lot in the past too. I started spraying my own vehicles for quite a while now. I'm still a little gun shy though spraying close to the main wiring harness connector on my new Hybrid.
These chemicals have a real good creeping action which is what we want, but the thinking behind not spraying electrical connectors is because it can migrate inside them and disrupt the electrical circuits. Most undercoating fluids are non conductive.
I think I'll leave my connector alone for this winter, then re-assess next summer. I sprayed in and around the wheel wells, control arms and in the doors, couldn't help myself. :)
 
Discussion starter · #32 ·
kevcules46 said:
Krown is good undercoating, I've used Rust Check a lot in the past too. I started spraying my own vehicles for quite a while now. I'm still a little gun shy though spraying close to the main wiring harness connector on my new Hybrid.
These chemicals have a real good creeping action which is what we want, but the thinking behind not spraying electrical connectors is because it can migrate inside them and disrupt the electrical circuits.
Click to expand...
Your thinking is why I went for CorrosionX. It is specified for electrical connections, including marine electrical, i.e. salt water. I am not encouraging anyone to apply any coating, that's something each of us decides. But if you are heading that way, look at this one-

www.corrosionx.com

CorrosionX – Corrosion Technologies

Kills Rust and Corrosion World's Greatest Lubricant, Penetrant & Anti-Seize Safe on Electronics CorrosionX is the most advanced and effective corrosion prevention compound, lubricant and penetrant in the world! Although it may look like a typical oil-based anti-corrosion spray, CorrosionX...
www.corrosionx.com www.corrosionx.com
 
#33 ·
Dan Daniel said:
Your thinking is why I went for CorrosionX. It is specified for electrical connections, including marine electrical, i.e. salt water. I am not encouraging anyone to apply any coating, that's something each of us decides. But if you are heading that way, look at this one-

www.corrosionx.com

CorrosionX – Corrosion Technologies

Kills Rust and Corrosion World's Greatest Lubricant, Penetrant & Anti-Seize Safe on Electronics CorrosionX is the most advanced and effective corrosion prevention compound, lubricant and penetrant in the world! Although it may look like a typical oil-based anti-corrosion spray, CorrosionX...
www.corrosionx.com www.corrosionx.com
Click to expand...
That product looks good, similar to the others I mentioned. They are all "non conductive" though, just like dielectric grease. They all claim you can spray a connection with those products, but only once a tight connection is already made.
There have been other incidents with undercoating sprays getting into some light circuit wiring connectors somehow and causing glitches. I heard that a few years ago on some North American vehicles. I was also warned about that when spraying vehicles for others.
I hope it goes well for you.....
 
#34 ·
kevcules46 said:
Trying to prevent corrosion that way makes sense, but just beware that the dealerships warn of any substance being applied to the connector, that "may" affect it in any way, will VOID the warranty. Dealerships don't want to cover a legit claim, imagine if they can get out of an expensive corroded wiring harness claim?
Click to expand...
Most dealerships offer undercoat and charge you for it! Either way if you spray it with ACF-50 once a year your cable won’t rust. I’ve sprayed mine twice and it’s still pristine and highly doubt anyone would notice it’s been treated..
 
#38 · (Edited)
agray56 said:
Had a look at the cable on my 2 day old 2024 when I put Snows on. Looks the same to me.

View attachment 201778
Click to expand...
Did you remove the plastic cover to spray the complete cable? I treated mine yesterday after changing the oil & it was a royal pain splitting the cover into two pieces. BTW, from what I can see your 2024 connector looks identical to my '23 model.
 
#39 ·
JLH said:
Did you remove the plastic cover to spray the complete cable? I treated mine yesterday after changing the oil & it was a royal pain splitting the cover into two pieces. BTW, from what I can see your 2024 connector looks identical to my '23 model.
Click to expand...
No I didn't, too much of a rush. Will likely do that in the spring.
 
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#40 ·
JLH said:
Did you remove the plastic cover to spray the complete cable? I treated mine yesterday after changing the oil & it was a royal pain splitting the cover into two pieces. BTW, from what I can see your 2024 connector looks identical to my '23 model.
Click to expand...
Why remove plastic cover? You can flood every nook and cranny with straw connected to spray nozzle.
 
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