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Discussion Starter · #1 · (Edited)
Wheels Pitting - Have You Checked Yours?

Just finished cleaning my 300C and noticed that 3 of the wheels are being eaten up by salt along the outer rim. I have just 3K with very limited winter driving. The shiny portion is fine just the outer rim is showing corrosion coming out from behind the chrome plated cover. My 2004 Grand Cherokee uses a similar wheel setup with chrome plate aluminum attached to a wheel but on those seem to be OK after 2 winters. I'll alert the dealer now and get them (all 4) changed in March. Perhaps if this is a known problem the replacements will be better built.
 

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I have the same problem. Blankster, thanks for starting a new thread on this. I will copy my posts to this thread from the "washing" post.

If anyone else is having corrosion issues on the 18" OEM wheels, please post here. The more documented cases we have, the better settlement we can get from DC.

The wheels are aluminum with a chromed plastic cover. The pitting is in several places on all 4 wheels.

Here is a close up photo of the pitting on my wheels.
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Post # 2

I just had a closer look at my wheels. There doesn't seem to be any clearcoat on the aluminum. At this time of the year, our roads are covered in salt. Aluminum deteriorates quickly unless it is sealed.

Is it possible DC put the plastic cladding on top of unsealed aluminum wheels?

I would appreciate feedback, as I am meeting with a DC Canada rep about this problem. My wheels are really getting bad. It looks like corrosion is leaking onto the lip from under the cladding.

Does anyone else have corroding wheels? I want mine replaced - no - correction - I want a credit towards a better quality wheel.
 

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POST #3
Rim Corrosion: no good news

Quote: Originally Posted by BMWhat? Northern Rider, thats some nasty stuff eating away at your wheels. I'd say you've definately got a good case for replacement. However, I wish you luck on that credit towards the purchase of a non-DC product... you're going to need it.

I am still of the opinion that the wheels need to be treated like paint. I care for my wheels (and the rest of the car for that matter) like it's a garage queen. It gets washed weekly by hand using the best products and the most conservative washing practices. The wheels get nothing harsher than a boar's hair brush (about 70 freaking dollars!) along with the mildest of wheel cleaners of non-acid PH balanced wheel cleaners. Despite my best efforts, I still have gotten significant swirl marks on the wheels. My point is that whatever those wheels are made of it sure is easy to scratch and need to be treated VERY delicately.

Conclusion: Wheels look good but they're cheaply made and it shows.

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It's growing like a cancer, despite all my efforts to protect the wheels. I have a heated garage and keep the car as clean and protected as possible.

Met with my dealer's service manager yesterday. It appears that the plastic cladding is flexing and rubbing the clearcoat and my protection off the inside lip of the aluminium rim. He feels there is no point going to DC with a claim until the spring.

He also said that DC may agree to replace with the same wheels. I want to try for a credit against SRT-8 20" wheels. If this is a one off problem with just my wheels, I may get S.F.A. If others report the same problem, maybe we can get some sort of settlement.

This issue is probably going to have to wait until the spring.
 

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The picture has a clear line of where the corrosion starts and stops. I suspect they put on the wheel weights then clear coated the wheel. Later they rebalanced the wheel or the weight fell off exposing bare, unprotected metal ready to corrode.
My aluminum wheel Intrepid started corroding in the winter and needed refinishing. I bought winter ice tires on painted steel rims and kept the aluminums for summer. Also I discovered that the weights of lead reacted electrochemically with the aluminum wheel turning it into a battery and eating the wheels. A tire shop said they eliminate outside weights and hide them inside on the back. I tried it and it works well plus there are no dirt catching exterior weights to spoil the wheels
 

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dragon said:
The picture has a clear line of where the corrosion starts and stops. I suspect they put on the wheel weights then clear coated the wheel. Later they rebalanced the wheel or the weight fell off exposing bare, unprotected metal ready to corrode.
My aluminum wheel Intrepid started corroding in the winter and needed refinishing. I bought winter ice tires on painted steel rims and kept the aluminums for summer. Also I discovered that the weights of lead reacted electrochemically with the aluminum wheel turning it into a battery and eating the wheels. A tire shop said they eliminate outside weights and hide them inside on the back. I tried it and it works well plus there are no dirt catching exterior weights to spoil the wheels
It's not from lead wheel weights as it is in several locations on all 4 wheels. I oversaw the balancing of the wheels myself. It appears that the clearcoat is coming off where the plastic "chrome" meets the aluminium lip.

The OEM wheels should be able to withstand the road salt of northern areas, IMO. This might be a design error on the part of DC.
 

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Same thing happened to the chrome factory wheels on my 02 Escalade last year. To their credit Cadillac replaced all four free of charge and mounted different tires (I went with Michelin Pilots) as well.
 

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Discussion Starter · #8 · (Edited)
Wheels Pitting

There was no rebalancing of my wheels. The aluminum behind the chrome plated plastic/aluminum covers is corroding and spreading into the exposed lip/rim. There is no corrosion under my counter weights. As an FYI I believe the counter weights are either graphite or graphite coated to reduce corrosion with the wheel.
 

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Three of mine are showing small areas of corrosion. My C only has 4500 miles on it and it will be going in for service Monday. They will be replacing mine, guaranteed! :mad:
 

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Lilbear said:
Three of mine are showing small areas of erosion. My C only has 4500 miles on it and it will be going in for service Monday. They will be replacing mine, guaranteed! :mad:
Let us know how you make out. I have the same problem on all four wheels. Started right after the first snow storm.
 

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Northern Rider said:
I have the same problem. Blankster, thanks for starting a new thread on this.

If anyone else is having corrosion issues on the 18" OEM wheels, please post here. The more documented cases we have, the better settlement we can get from DC.

The wheels are aluminum with a chromed plastic cover. The pitting is in several places on all 4 wheels.

Here is a close up photo of the pitting on my wheels.


I would appreciate feedback, as I am meeting with a DC Canada rep about this problem. My wheels are really getting bad. It looks like corrosion is leaking onto the lip from under the cladding.

Does anyone else have corroding wheels? I want mine replaced - no - correction - I want a credit towards a better quality wheel.
Gang,

I have 14.5K on my "C" now and I live in Central Illinois with lots of road salt being used this time of year. My wheels look like the example and worse. It all appears to be located close to the outer rim and not at this time on the spokes. But who knows what it will be like by spring? I just discovered it today and have not been to my dealer yet. Has anyone been and what has been the final outcome? Have they replaced the wheels with updated OEM's or just what? I want some solid data when I go to my dealer so I don't have to listen to his BS answer to long.

Thanks,

Footnote: Took the car in last Friday 2/18/05 and Dealer ordered me a new set of 4 wheels with no problems at all :) .
 

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I'm having the same corrosion issues with mine (on the outer lip, mostly); I noticed them about a month ago. I'll take some pics and post them. I took delivery in September, for what it's worth.
 

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I just took her in today and told the service rep about the wheel problem. He proceeds to give me some b.s. about there being some backorder on the wheels and I'd probably have to go the original dealership to have them swapped. Then he tells me he'll see what he can do and gives me the cool guy nod. You're probably thinking the same thing I was thinking, what's a backorder problem have to do with me going to the original dealership to get service (which is about 110 miles away while this one is 2 miles up the street). I thought we could have our vehicles serviced at any dealership in the U.S.. So getting back to the story, I'm going to see what they say when I go back to pick her up. If they have no problem with the replacement, I no problem. If they do have a problem replacing them, I'll have to show them my Detroit side. :cool: Nothing negative is being implied about my hometown, we just handle things different.
 

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Received Call From Dealer today

Gang,

I just received a call from my Dealer. He told me my replacement wheels were in (10 days, not bad) and to bring the car in tomorrow morning to have my old wheels replaced. No back order or nothing and most of all no BS. I really didn't want them this quick since its snowing outside as I write this. But, when you expect a load of $h%t and it doesn't happen, it catches a person off guard. Are Car Dealers changing their stripes? :rolleyes:
 

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Follow Up on the Pitted Wheels:

My service manager called me back. DCX seem to be aware of the problem. As suspected, the plastic chrome cladding is flexing and rubbing the clear coat off of the aluminum.

Exposed aluminum + salt = corrosion

He said they will replace. I said not with the C OEM's. Not acceptable, as I'll have the same problem all over again.

I suggested the Magnum R/T 18". He's going to see if that can be done.

(anyone see where I'm going with this, yet? Go on, take a guess ;) )

To Be Continued . . .
 

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Northern Rider said:
Follow Up on the Pitted Wheels:

My service manager called me back. DCX seem to be aware of the problem. As suspected, the plastic chrome cladding is flexing and rubbing the clear coat off of the aluminum.

Exposed aluminum + salt = corrosion

He said they will replace. I said not with the C OEM's. Not acceptable, as I'll have the same problem all over again.

I suggested the Magnum R/T 18". He's going to see if that can be done.

(anyone see where I'm going with this, yet? Go on, take a guess ;) )

To Be Continued . . .
I was at my dealer to-day getting an estimate on my fender bender and asked him if he had heard of any problems with the wheels and he said that he had heard from DC that the car washes were the problem with the type of soap they use. I told him, no way as it only appears to be cars in the snow belts that are effected. I too do not want to put these wheels back on plus I would like to see these Contis go away as well.
 
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