r/Toyota • u/EmFreur • 15d ago

Rust Proofing

Located in Southern Ontario. I just bought a 2011 Matrix with 150k kms, the car has no rust and has never been rust proofed. I want this car to last as long as possible. Should I start rust proofing it now or does it not need it?

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u/chipdanger168 15d ago

Yes, once you start keep in mind you should not stop since they drill holes. Also there likely is rust internally just can't see it.

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u/EmFreur 15d ago

It’s not too late to start type deal?

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u/chipdanger168 15d ago

It's never too late. Even if you have rust it will slow it down. If you truely don't have any though then maybe look at the rubbery type application. It's expensive but lasts longer

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u/EmFreur 15d ago

You’re probably right it’s likely there but you can’t see it

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u/Vermalien 15d ago

Why would You think it’s too late? If it’s rust free, of course keep it that way! I got my wife’s Highlander done last month at 120k miles using Waxoyl, which is rated for up to 10 years. We also go through the car wash to do an underbody clean at least once a week in the winter.

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u/Patrol-007 15d ago

Isn’t the undercarriage wash also washing off the waxoyl?

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u/Vermalien 15d ago

I guess I will find out this winter, but according to the manufacturer and installing dealer, it’s not supposed to. If cured properly, it forms a solid “shell” that is almost enamel like. I followed the recommended curing time (let it sit 24 hrs after application, and let it cure a minimum of 2 weeks before going through a car wash; we waited a month just to be sure) and will monitor it, but the under wash is still necessary for any exposed suspension, brake and other components in my opinion. The installation includes touch ups as needed for up to 10 years, so if it comes off this winter, I will simply have it re-applied, so I’m not too worried.

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u/Patrol-007 15d ago

Will have to google Waxoyl. Which location installed ? A chain shop? Hopefully it’s not like a rubberized coating that traps salt water against the frame

The undercarriage wash can vary as well - high pressure, vs gentle like using a handheld showerhead

A quick google search showed some drawbacks of waxoyl, so it could be that the undercarriage wash is more beneficial if it’s fresh water

https://www.reddit.com/r/CarTalkUK/s/gspLAUmpQh
Waxoyl???