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  #1  
Old 03-22-2016, 07:08 PM
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Underbody corrosion

Hi, I have purchased a NEW Jeep Grand Cherokee.
As shown by the attached pics, it has underbody corrosion.
Both the dealer & FCA say that it is only cosmetic & normal & will do nothing about it.
I need your help.
Can you please post up photo's of the underbody of your Jeep & note it's age.
You can contact me directly if you prefer.
Attached Images
File Type: jpg 2015 JEEP CORROSION (6).jpg (221.1 KB, 105 views)
File Type: jpg 2015 JEEP CORROSION (9).jpg (185.4 KB, 102 views)
File Type: jpg IMG_0164.jpg (220.8 KB, 106 views)

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  #2  
Old 03-22-2016, 07:09 PM
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Re: Underbody corrosion

more pics
Attached Images
File Type: jpg 2015 JEEP CORROSION (4).jpg (191.7 KB, 85 views)
File Type: jpg IMG_0170.jpg (187.8 KB, 87 views)
File Type: jpg IMG_0217.jpg (248.6 KB, 93 views)
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  #3  
Old 03-22-2016, 07:24 PM
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Re: Underbody corrosion

humm interesting...thats new?? like as in you bought it with little to no miles new? If you had asked me to guess how many miles that vehicle had I would say 20,000+ miles. Not really because any corrosion, but just because of how dirty it is. As far as that goes there isn't really anything the dealer could do to fix it with exception of maybe cleaning the undercarriage. It does seem excessively dirty for a new vehicle, but in the long run I don't think it would really hurt anything. It was gonna get that way eventually anyway, but I do see your concern. If you bought a new car you would expect it to look......new.

Here are some pictures of my 12/2015 build date High Altitude purchased new with 38 miles on it Jan 9. Took these pictures today with 1,700 miles on it and through a few months of salty roads Chicago winter.

Hope this helps you out with what you're looking for.

Surface rust corrosion is perfectly normal on the axles. All cars do that within a few days of driving similar to how your brake rotors will get surface rust after a car wash if you don't drive right away.






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Old 03-22-2016, 08:26 PM
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Re: Underbody corrosion

Different vehicle but this is from back in 2009 of my 2007 GX470 which had about 24,000 miles at the time of the photos. Got to love the California climate which in this location, never sees any snow or any of that road treatment slop that many states use. I'll have to take a few photos of my 14 Summit for comparison. Doubt it but maybe Lexus pretreats their vehicles better for corrosion?
Attached Images
File Type: jpg 2007-06-04 13.51.50.jpg (187.6 KB, 56 views)
File Type: jpg 2007-06-06 21.27.02.jpg (133.8 KB, 59 views)
File Type: jpg 2007-05-31 07.30.48.jpg (183.9 KB, 49 views)
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Old 03-22-2016, 08:27 PM
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Re: Underbody corrosion

You could spray it down with this.
ImageUploadedByJeepGarage1458692487.551523.jpg
This is my wife's Toyota Sequoia with 20k miles on it and two Michigan winters(lots of salt)
ImageUploadedByJeepGarage1458692577.612649.jpg
ImageUploadedByJeepGarage1458692590.465277.jpg
ImageUploadedByJeepGarage1458692608.383687.jpg
ImageUploadedByJeepGarage1458692629.052757.jpg

I spray it heavily every fall and let it drip off. It leaves a nice protective coat. I use about 3 cans of it to do the entire engine compartment and everywhere I can reach on the frame.


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Old 03-23-2016, 01:17 AM
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Re: Underbody corrosion

Quote:
Originally Posted by JTS97Z28 View Post
humm interesting...thats new?? like as in you bought it with little to no miles new? If you had asked me to guess how many miles that vehicle had I would say 20,000+ miles. Not really because any corrosion, but just because of how dirty it is. As far as that goes there isn't really anything the dealer could do to fix it with exception of maybe cleaning the undercarriage. It does seem excessively dirty for a new vehicle, but in the long run I don't think it would really hurt anything. It was gonna get that way eventually anyway, but I do see your concern. If you bought a new car you would expect it to look......new.

Here are some pictures of my 12/2015 build date High Altitude purchased new with 38 miles on it Jan 9. Took these pictures today with 1,700 miles on it and through a few months of salty roads Chicago winter.

Hope this helps you out with what you're looking for.

Surface rust corrosion is perfectly normal on the axles. All cars do that within a few days of driving similar to how your brake rotors will get surface rust after a car wash if you don't drive right away.
Thanks for the photo's. Yep, NEW, as in brand new unused.
That's not dirt on the aluminium, it is pitted corrosion.
I live inland in Australia, so no salt or snow here.
Cheers,
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Old 03-23-2016, 01:19 AM
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Re: Underbody corrosion

Quote:
Originally Posted by Jsboening View Post
You could spray it down with this.
Attachment 66489
This is my wife's Toyota Sequoia with 20k miles on it and two Michigan winters(lots of salt)

I spray it heavily every fall and let it drip off. It leaves a nice protective coat. I use about 3 cans of it to do the entire engine compartment and everywhere I can reach on the frame.


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Thanks for that, I'll chase it up for future use.
Cheers,
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Old 03-23-2016, 02:44 AM
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Re: Underbody corrosion

My best guess is that the boat they shipped the car over on flooded slightly wherever it was stored or at the very least loaded out on deck or somewhere unsheltered. That looks exactly like it was salt water damage.
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Old 03-23-2016, 01:10 PM
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Re: Underbody corrosion

+1.
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Old 03-25-2016, 09:47 AM
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Re: Underbody corrosion

Quote:
Originally Posted by BobsWK2 View Post
Got to love the California climate which in this location, never sees any snow or any of that road treatment slop that many states use.
Most of the cars in California have no corrosion problem. Almost all the houses in California has termite problem. Speaking from experience.

+1 on salt water damage.
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Old 03-26-2016, 08:41 AM
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Re: Underbody corrosion

Quote:
Originally Posted by RowanWuff View Post
My best guess is that the boat they shipped the car over on flooded slightly wherever it was stored or at the very least loaded out on deck or somewhere unsheltered. That looks exactly like it was salt water damage.
I agree.


Although my '15 GC has been through a road salted winter (shudder!), it doesn't look that bad..........YET! I do, however, rinse the undercarriage off, whenever the outside temperature goes above freezing. Secondly, the parts that the OP pictured, are for the most part, uncoated aluminum parts, and they will oxidize like that, when exposed to salt.
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Old 03-26-2016, 09:40 AM
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Re: Underbody corrosion

Quote:
Originally Posted by leadfoot4 View Post
I agree.


Although my '15 GC has been through a road salted winter (shudder!), it doesn't look that bad..........YET! I do, however, rinse the undercarriage off, whenever the outside temperature goes above freezing. Secondly, the parts that the OP pictured, are for the most part, uncoated aluminum parts, and they will oxidize like that, when exposed to salt.
Give it another winter or two.
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