Undercarriage rust removal

Tiny
BUCKLEY89
  • MEMBER
  • 2012 TOYOTA SEQUOIA
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 101,000 MILES
This van has some rust on the undercarriage and I am wondering if this is something that I can get rid of somehow as otherwise the vehicle is in good shape. Any recommendation appreciated.
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Sunday, September 12th, 2021 AT 7:46 AM

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Tiny
ROY B
  • EXPERT
Good morning,

No, there is nothing you can do with it. It is much deeper than surface rust.

The rear suspension looks like it was underwater for a period of time. That will cause the process you see.

You can scrape off the surface rust but most of the rust is embedded into the metal itself.

The exhaust is just surface rust you can remove with a good stiff wire brush.

Let me know if you have any other questions.

Roy
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Sunday, September 12th, 2021 AT 8:47 AM
Tiny
KENNY K
  • EXPERT
This is a little more then normal surface rust. All vehicles can get this and it is not something that you are going to prevent 100%.

Frankly that does not look that bad. Clearly this is a relatively new vehicle so it is something to keep an eye on.

However, more than likely this vehicle was parked on gravel or in grass for most of its life which makes this issue worse. Basically the grass and gravel release moisture for a longer time after it gets wet so the metal stays wet longer and this surface rust will grow.

Clearly many years from now this metal will have some holes in it from this but that will not happen over night. There is no way to know how long but the ways to prolong the life is to wash the undercarriage on a regular basis and keep it stored in a garage or covering on a solid surface.

If you want to go to the next level then you will want to clean the undercarriage with a rust neutralizer and then cover it with an undercoating. You can get this in a spray can like shown below or even have a professional service done and this will drastically slow down this growth but you will never prevent it.

These are metal parts exposed to the atmosphere so they are going to rust.

However, a properly maintained and stored vehicle will last longer then any of us would ever need. There are vehicles found everyday stored in barns for 50 years that have minimal rust on them.

Thanks for using 2CarPros.
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Sunday, September 12th, 2021 AT 8:53 AM

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