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Old 02-07-2019, 12:40 PM
 
4 posts, read 646 times
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Even for cars that are known to be rust resistant like Volkswagen?
Or as long as you wash the car every two weeks during the Winter do you not need to rust proof it?
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Old 02-07-2019, 12:41 PM
 
Location: SC
8,523 posts, read 5,288,497 times
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No, "rustproofing" is a one time thing.
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Old 02-07-2019, 12:48 PM
 
Location: Metro Detroit Michigan
3,456 posts, read 943,705 times
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Although new cars no longer need it and some automakers will void the factory corrosion-perforation warranty If you get any type of rustproofing.

Corrosion also happens when dirt and moisture accumulate on the car's underbody. Rustproof undercoating is meant to help protect your car from corrosion due to rust and other gunk that can form. However, most modern cars made after 2006 have been made galvanized steel, greatly reducing the risk of rusting.


Newer cars no rustproof needed.

https://www.consumerreports.org/car-...-undercoating/

Last edited by easy62; 02-07-2019 at 01:33 PM..
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Old 02-07-2019, 01:18 PM
 
10,179 posts, read 14,616,547 times
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No, you do it once, do it right and then it lasts long time. My grandpa rust proofed our Moskvitch in 1971, I sold it in 1993 - without a spot of rust. And that's in the city where they shoveled loads of rocks salt onto the roads every day winter time.
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Old 02-07-2019, 01:34 PM
 
Location: Metro Detroit Michigan
3,456 posts, read 943,705 times
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Quote:
Originally Posted by ukrkoz View Post
No, you do it once, do it right and then it lasts long time. My grandpa rust proofed our Moskvitch in 1971, I sold it in 1993 - without a spot of rust. And that's in the city where they shoveled loads of rocks salt onto the roads every day winter time.
https://www.consumerreports.org/car-...-undercoating/
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Old 02-07-2019, 02:23 PM
 
Location: Podunk, IA
3,151 posts, read 1,431,952 times
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I live in the salt, don't rustproof and nothing's rusting.
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Old 02-07-2019, 02:52 PM
 
5,110 posts, read 5,173,339 times
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Quote:
Originally Posted by Marchwagon View Post
Even for cars that are known to be rust resistant like Volkswagen?
Or as long as you wash the car every two weeks during the Winter do you not need to rust proof it?
You got your terms mixed up.

There are multiple threads on this here at City-Data.

Rustproofing is an OLD term. Used by defunct companies such as Rusty Jones. At one time decades ago, they sprayed a hard black plastic under car - a product similar to the bed liner material used in pickup truck beds.
That those products did not work. There were others at the time such as an electrolysis gadget that never worked.

There was also automotive undercoating. That product from the 1950's was for sound deadening and sometimes marketed as "rust proofing". That product never worked either to prevent rust.

Today there is oil undercoating. Done every year. About $150.00 or higher.

LINK

Anyone who states that cars do not rust - in salt areas - have never viewed the bottom of their vehicle up on a lift. Not only does DOT put rock salt on roads - they now put a very corrosive liquid brine on roads that is worse then rock salt to enhance rust on vehicles. They all rust.

No new car warranties are voided using professionally applied oil undercoating. IF you do find some blog some place that states otherwise - they just want your car to rust so that you will buy another new one much earlier then needed.


View the video on link above and reach your own conclusion. There is no endorsement to this company here. In your area there are other shops and companies that do the same process - oil undercoating.


Here is another company that does a super job.
LINK
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Old 02-07-2019, 05:45 PM
 
Location: Metro Detroit Michigan
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I live in Michigan with salt no rust, what part about manufacure not paying claims for after market rust proofing on their corrosion Warrenty.
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Old 02-07-2019, 05:50 PM
 
Location: North Beach, MD on the Chesapeake
33,059 posts, read 40,494,457 times
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One key is to wash the underside of the car, a lot of car washes now have an underside spray.
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Old 02-07-2019, 06:15 PM
 
Location: Metro Detroit Michigan
3,456 posts, read 943,705 times
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Quote:
Originally Posted by North Beach Person View Post
One key is to wash the underside of the car, a lot of car washes now have an underside spray.
Correct it just doesn’t apply to snow country it also applies to people living near salt water like the gulf states and California also. Especially if you’re towing a boat and put it in the gulf water on a boat launch.
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