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I am new on the forum having just purchased a '05 XLS that has never been rust protected. Since I live in salty, damp Toronto would I be okay with only oil spraying or would I be wise to have a more extensive protection where I believe they spray inbetween door panels by making some sort of holes that they plug.
 

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1998 Camry CE
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WHere in TO are you?

You can ask the rust proofing service shop to use pre existing trim plugs, clip holes so that they do not need to drill.

You can find these behind most door trim, and weather stripping.
 

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1998 Camry CE
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Any rust proofing shop will spray rust proof oil inside doors and other panels. The other rust proofing is called undercoating, or a thicker spray onto the underside of the car and wheel wells.

Krown is a reputable chain, as is the rust check, and ziebart franchises.
 

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My brother was in the Coast Guard when he was sent to "corrosion school." The instructors said that under no circumstances should a vehicle be rust-proofed, particularly undercoated. Odds are good that moisture will be trapped, accelerating any corrosion problems. I have no other knowledge of the issue, just passing this along for what it's worth.
 

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'07 Avalon Limited
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Aren't the Avalons made of galvanized steel anyway? I don't understand the need for undercoating. But then again - I don't live in an area where roadsalt is used!
 

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I've heard the same thing as Mickeyp. I live in mid Michigan, home of the salt truck. I have two vehicles rust proofed at Zeibart when they were about 2 years old. One of the vehicles I sold to my father, so I was able to track it. He drove it until it died 2 years ago, a 1985 Pontiac 6000LE. The Body had almost no rust. It would have looked better if he had ever washed it.

I believe newer cars are much better galvanizing. They have to with the sheet metal being thinner. Rust through would occur faster. If you bother to care for the vehcile, rust shouldn't be a problem unless your ownership is beyong 10-12 years.
 

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2003 Toyota Camry I4
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I live in michigan and my camry a 11 years old. Can I rustproof it or is it too late? Can I spray dupli color rust fix underneath or on the wheels? Besides rubberized undercoating, what's a good spray for the underbody? I sprayed dupli color rust fix on the back if my drivers door which has a rust problem, and is the only major rarer afflicted. Y rust, but how do I avoid rust elsewhere?
 

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ASE CMAT L1 MRRT
09 Avalon XL
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My brother was in the Coast Guard when he was sent to "corrosion school." The instructors said that under no circumstances should a vehicle be rust-proofed, particularly undercoated. Odds are good that moisture will be trapped, accelerating any corrosion problems. I have no other knowledge of the issue, just passing this along for what it's worth.

I have heard that also. Once the metal has been exposed to the elements, rustproofing actually causes problems.

I've heard the only time a vehicle should be undercoated is when it is brand new. Modern vehicles don't rust out like the older 70s and 80s vehicles. Keep the salt off in the winter, and clean off the mud in the summer, and your Avalon should last 30+ years.
 

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will my camry be able to last 30 years with michigan winters? the underbody is already kind of rusty. same with the taurus
 

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will my camry be able to last 30 years with michigan winters? the underbody is already kind of rusty. same with the taurus
I live in the same area and my family owns two body shops there. Even if your car is rusty underneath have it power washed to remove as much dirt as possible, make sure it’s completely dry and then have a petroleum based rust proofing applied (usually sprayed). You can go as far as untrimming all the doors, trunk and hood, pulling out the battery and removing the tail lights too to gain access to the sheet metal so you don’t have to drill and have it spray applied there as well. Even if it’s applied over rust it will slow it down due to the effect of it not being able to oxidize directly to the atmosphere any longer by being covered with the rust proofing. We’re using Texaco “Compound L”. You can cut it with low odor mineral spirits for your rust proofing spray set up. Make sure you use “low odor” or it will stink for weeks.

I own a 2002 Ford F-250 SD that are notorious for rotting out above the rear wheel wells right through the bed and I shot it with the Texaco product when it was brand spanking new. I use it for snow plowing and it gets sprayed with salt quite badly. After 12 years, no rust at all.
 
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