2011 mazda 3 underbody rust. Normal?

[nguy3nha]

1 year old car - rustproofed at krown before when purchased

[Mr Wilson]

Yup.

[Booter22]

that is normal, im not sure if its the pictures.. but i dont see any rust proofing or at least the underbody looks very dry... from what ive seen with Krown, they use an oil spray and it usually stays well fairly oily for some time, i know my symtech 2 year rust protection is still quite heavy on all of the under body and it goes back this year for a re-spray..just my

[nguy3nha]

that is normal, im not sure if its the pictures.. but i dont see any rust proofing or at least the underbody looks very dry... from what ive seen with Krown, they use an oil spray and it usually stays well fairly oily for some time, i know my symtech 2 year rust protection is still quite heavy on all of the under body and it goes back this year for a re-spray..just my

thats wierd.. maybe its all those touchless washes i've gone to?

[Booter22]

i wouldnt think that would wash it all off though..however with enough pressure on the underbody i suppose that could have removed it. anything is possible.

[paulabreu]

this made me check my car too and im experiencing rust in the same areas, mine is a 2011 gx bought in november.
also rust on the muffler D:, is that normal or should i take it to the dealership? oh i also got the sym-tech rust protection and underbody protection when i bought it

[Booter22]

you may want to ask the location you purchased it from if they symtech used covers the frame or if the warranty covers body panels, not much you can do about the muffler. im not sure but i dont think it is stainless steel but the rusted areas i would assume are also normal, my car has them as well. you wouldnt be able to treat an exhaust system with rust proofing unless you were to use a high heat paint, as of course the rust proof will just burn off.

[Jeff-TheBiz]

1 year old car - rustproofed at krown before when purchased

Take it back to the Krown that did the work.

that is normal, im not sure if its the pictures.. but i dont see any rust proofing or at least the underbody looks very dry... from what ive seen with Krown, they use an oil spray and it usually stays well fairly oily for some time, i know my symtech 2 year rust protection is still quite heavy on all of the under body and it goes back this year for a re-spray..just my

+1

It would be normal if the car hadn't been rust proofed.

this made me check my car too and im experiencing rust in the same areas, mine is a 2011 gx bought in november.
also rust on the muffler D:, is that normal or should i take it to the dealership? oh i also got the sym-tech rust protection and underbody protection when i bought it

Yeah, they never spray the exhaust components.. the chemical would just burn off and leave a trail of smoke for the first month.

[Hyperion]

After crawling under my car for the past 3 days straight, I can say, that rust there is the least of your worries if you don't have rust proofing.
Mines one year older than yours and I have to spend 20+ minutes on a nut sometimes to get it off.

[zoomahh]

Hmm... When I had my 07 GS 3 (bought brand new), they asked me if I was interested in the "rust module and guarantee against rust".... Skeptical at first, I caved and said ya cost sumpin like $1100?........
Best money I ever spent.... Muffler still in perfect cond at time of trade in, not one speck of rust On body, no bubbling, nadda....and when it came time to trade my baby for a GS I got TOP dollar for trade in, didn't think twice. Told em I wanted the rust module. End of story

[Jeff-TheBiz]

Mines one year older than yours and I have to spend 20+ minutes on a nut sometimes to get it off.

[Flagrum_3]

that is normal, im not sure if its the pictures.. but i dont see any rust proofing or at least the underbody looks very dry... from what ive seen with Krown, they use an oil spray and it usually stays well fairly oily for some time, i know my symtech 2 year rust protection is still quite heavy on all of the under body and it goes back this year for a re-spray..just my

I agree, from the pictures it looks like it was never sprayed! Way too dry!! ...I like the others here would suggest taking it back to the Krown location that sprayed it originally and show them your car. "Spray type" car washes I don't believe would remove the oil completely, as I also use them periodically and my undercarriage is still covered in the Krown spray.

The location may have done a piss poor application!...Did you watch them while they applied the stuff? I always do...If you have any issues contact Krown HO and let us know.

_3

[standsideways]

I agree, from the pictures it looks like it was never sprayed! Way too dry!! ...I like the others here would suggest taking it back to the Krown location that sprayed it originally and show them your car.

_3

definately looks like its never been done. krown soaks into stuff real good.

ive got a 2009 corolla that was KROWNed in 2009 and still has lots..and it gets touch free washes.

---------

krown has a 500 000km new car perforation warranty if you go once a year on the exact date or before every year.

[Flagrum_3]

^ I KNOW! My undercarriage, suspension, even under the hood (anywhere it was appied that I can see) is just covered in the stuff, it basically adheres to the metal. If I run a finger on any part I get the formula on my finger and there is still formula left on that same area. It repels water like no tomorrow, so I seriously think the OP's vehicle was not done whatsoever...atleast in the areas he has shown.

_3

[GSXi]

Looks like a typical non-rust proofed vehicle. Possible that it was rust proofed but it went through a lot of automatic car washes (undercarriage cleaned).

[standsideways]

Looks like a typical non-rust proofed vehicle. Possible that it was rust proofed but it went through a lot of automatic car washes (undercarriage cleaned).

As I said, I've got a 2009 corolla that gets once a week auto washes and it's still got lots left, and was coated ONCE in 2009.

Either way GET IT TO KROWN, you are now due for another coating to keep your warranty

I'm guessing it wast krowned or it was taken to another rust proofing place with lesser quality coating/application process.

[Elusivellama]

^ Krown says to get a reapplication in the spring due to the higher moisture levels. The warmer temps also accelerate the corrosion process. You can also buy a can of the Krown T40 (same stuff that they use for the application process) and periodically reapply it on the underbody components once every month or something if you're really worried.

[Flagrum_3]

^ Krown says to get a reapplication in the spring due to the higher moisture levels. The warmer temps also accelerate the corrosion process. You can also buy a can of the Krown T40 (same stuff that they use for the application process) and periodically reapply it on the underbody components once every month or something if you're really worried.

Exactly! T40; Not that it is really needed , but every oil change I'm underneath the car spraying specific points; i.e; camber links, strut towers, linkages, parking brake etc; (maticulous and maybe a little anal retentive lol, oh well) ...I also get it sprayed in March of each year as your first statement is right on. I'm getting it sprayed tom'rw actually, if I remember I'll take pics before it is sprayed and we can compare the them to the above posted pictures.

_3

[nguy3nha]

went back to krown the other day and they lifted up the car and told me its normal that rustproofing doesn't stick to suspension and control arm components. They said since its the first application, it tends to not stick and builds up over time as i go in for more krown rustproofing.

I've emailed Krown corporate office, but they are not responding to my email. I'll take my business elsewhere.

[aris]

FYI it looks like you have a nail in your tire (last picture)

[aris]

went back to krown the other day and they lifted up the car and told me its normal that rustproofing doesn't stick to suspension and control arm components. They said since its the first application, it tends to not stick and builds up over time as i go in for more krown rustproofing.

I've emailed Krown corporate office, but they are not responding to my email. I'll take my business elsewhere.

which Krown did you go to?

my car is 4 years old and i've krowned it since new and everything is black underneath (no rust)

Did you actually watch them spray your car or did you sit in the waiting room? cause your car actually looks like it wasn't sprayed at all.

I always watch them spray my car to make sure they don't miss a spots (i've lost trust in people a long time ago)

[Flagrum_3]

went back to krown the other day and they lifted up the car and told me its normal that rustproofing doesn't stick to suspension and control arm components. They said since its the first application, it tends to not stick and builds up over time as i go in for more krown rustproofing.

I've emailed Krown corporate office, but they are not responding to my email. I'll take my business elsewhere.

Sorry but I smell BS, ...bigtime! Your car was never sprayed whatsoever, nice try. Like aris mentioned if it was, it would be black underneath and still wet looking in most areas. Soooo, you either got ripped off (which would still be partly your fault as you should always check the work) or you are being untruthful here, ...which would be my guess. You don't happen to work at a dealer that sells the Sym tech product do you, or affiliated in any way?

_3

[Elusivellama]

^ Let's not jump to conclusions.

It is entirely possible that the application of Krown can get washed away by repeated use of automatic car washes. Some parts under my car are also dry-looking (exactly as shown above) and there are some very small patches of light surface rust on those exact same components as the OP. In any case, you shouldn't be too worried as those underbody components are pretty thick and rust is not going to eat through them. I've asked multiple mechanics and they don't even turn a hair when they tell me that I'm worrying over nothing. I would just spray them with a can of Krown T40 once a month or every two months. In fact, I just took my can of Krown T40 and sprayed the rusted areas and they're now wet looking - the T40 will seep into the rust pores and greatly slow down or stop the corrosion process.

tl;dr Don't worry about that sort of rust on the thick steel underbody components it won't do anything major, spray Krown T40 every so often (maybe every oil change).

[Flagrum_3]

^ Let's not jump to conclusions.

It is entirely possible that the application of Krown can get washed away by repeated use of automatic car washes. Some parts under my car are also dry-looking (exactly as shown above) and there are some very small patches of light surface rust on those exact same components as the OP. In any case, you shouldn't be too worried as those underbody components are pretty thick and rust is not going to eat through them. I've asked multiple mechanics and they don't even turn a hair when they tell me that I'm worrying over nothing. I would just spray them with a can of Krown T40 once a month or every two months. In fact, I just took my can of Krown T40 and sprayed the rusted areas and they're now wet looking - the T40 will seep into the rust pores and greatly slow down or stop the corrosion process.

tl;dr Don't worry about that sort of rust on the thick steel underbody components it won't do anything major, spray Krown T40 every so often (maybe every oil change).

I'm not jumping to conclusions. I've seen the underneath of my car everytime I've had it sprayed, or more precisely just previous and post to having it sprayed and I can tell you (most definately) IF it was properly sprayed it would not 'wash' away, to the point his pictures show!!....By my statement above, I'm basically hoping for more proof that he had it sprayed, he can defend HIS ACCUSATIONS, himself....Maybe the Location he took it too ripped him off, explaining absolutely no sign of underspray but one shouldn't assert that this could or would happen in all cases. My concern is also for the poster and that there may be dishonest dealers out there that will not do the job as required and they should be pointed out and especially to Krown HO. (I'm sure they would investigate any such claim), as they also have a reputation to protect.

Furthermore there may always be 'spots' of the undercarriage that will become nearly bare of the spray just because of run-off, but thicker components one needs not worry about, that's just common sense. It is the thinner and more important areas one must worry about. Point here is show proof it was actually sprayed before assuming all vehicles will become as dry and unprotected as the pictures shown....I'm sure if one was to put any Rust prevention company under the micrscope there would be issues, but one must be sure of the facts.

_3

[Cab0oze]

I'm not jumping to conclusions. I've seen the underneath of my car everytime I've had it sprayed, or more precisely just previous and post to having it sprayed and I can tell you (most definately) IF it was properly sprayed it would not 'wash' away, to the point his pictures show!!....By my statement above, I'm basically hoping for more proof that he had it sprayed, he can defend HIS ACCUSATIONS, himself....Maybe the Location he took it too ripped him off, explaining absolutely no sign of underspray but one shouldn't assert that this could or would happen in all cases. My concern is also for the poster and that there may be dishonest dealers out there that will not do the job as required and they should be pointed out and especially to Krown HO. (I'm sure they would investigate any such claim), as they also have a reputation to protect.

Furthermore there may always be 'spots' of the undercarriage that will become nearly bare of the spray just because of run-off, but thicker components one needs not worry about, that's just common sense. It is the thinner and more important areas one must worry about. Point here is show proof it was actually sprayed before assuming all vehicles will become as dry and unprotected as the pictures shown....I'm sure if one was to put any Rust prevention company under the micrscope there would be issues, but one must be sure of the facts.

_3

I agree with flagrum.
On a sidenote, my old 3 was rustproofed at krown (first time 5 yrs after) and they did not touch the bottom, looked the same dryness as in the pictures, which i noticed a month after having done it. They skip it to save money on their side, because they assume people wont notice and they can give lame excuses to ppl that do. I forgot to check if they did my speed, i should have but i was too busy with other stuff..... such as getting them to fix my turbo which smoked for 5 months as a result of their stupidness/careless application.