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  1. #11
    Master Mechanic Darknesss23's Avatar
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    Jun 2008
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    Brookfield, Ct.
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    536

    Default

    it happens... i have a little bit of surface rust on my 08 silverado frame... i reallly should get it taken care of...

    2008 Chevrolet Silverado 1500 LTZ 5.3L EC/Std Bed 4x4 Flexfuel
    Full Metal Jacket Spray on Bed Liner
    Black Powder coat Diamond Plate Weatherguard Tool Box
    Corsa Performance Sport Exhaust System
    K&N Flat Panel OEM replacement Air Filter
    Bridgestone Dueler A/T Revo tires P275/55/R20
    Black Reflective pinstripe and VORTEC hood lettering
    Billet front bowtie
    Rear Bowtie Delete
    Blue strobe grille lights
    Blue strobe rear window lights
    Blue LED Mini Light bar in front Grille

  2. #12

    Thumbs up rust spots

    Quote Originally Posted by tattooed4life View Post
    Take it in, it should have been undercoated from factory and as new as it is there's no way it should be rusting by now.

    I have an 07 late body style silverado and i live up in alaska where they salt the roads and the climate isnt very fogiving to the truck and i have the underbody coating and i also have rust in the holes. perfectly normal

  3. #13

    Default

    I have an 08 and noticed that the rail under the bed where the frame and bed meet is rusted, like the machine sprayed and did not fully coat the rail, rather than mess with the dealer I am going to sand all the rust off and put a rust encapsulating coating over it and then 3m undercoat it. If I go to the dealer I get excuses, I dont like excuses, so I will save using them except for the big stuff.

    Robert


    Fast is fine, accuracy is final.
    Wyatt Earp Deputy US Marshal

  4. #14

    Default

    Quote Originally Posted by rmagni View Post
    I have an 08 and noticed that the rail under the bed where the frame and bed meet is rusted, like the machine sprayed and did not fully coat the rail, rather than mess with the dealer I am going to sand all the rust off and put a rust encapsulating coating over it and then 3m undercoat it. If I go to the dealer I get excuses, I dont like excuses, so I will save using them except for the big stuff.

    Robert

    How much is that going to cost
    :great:Semper FI

    2008 Vortec 6.0 LT Z-71
    2500 HD "BIG BOY" Truck
    Stealth Grey Metallic
    Volant Cold Air Intake
    Line X Bed liner
    265 75 R16 Michelin LTX M/S2 ORWl
    Chrome step bars
    Fog lights
    3M clear shield hood protector
    Putco over sized boss locker side rails 2 1/2"
    Truxedo Low Pro QT Tonneau Cover

  5. #15

    Default

    This is what I use. From the Eastwood company good stuff.
    Robert

    Rust Encapsulator


    Item #ENCAPSULATOR
    Only $ 22.99



    Stop rust in its tracks!
    • It's easy to use. Just remove any loose rust and wax, oil or grease. Then brush it on (if you prefer, thin with lacquer thinner and spray)
    • It seals and stops rust from spreading. Use over or under body fillers
    • Rust Encapsulator is a great primer for floor pans and other under-body parts. It fills tiny pin-holes and surface irregularities, and is compatible with lacquer, enamel and urethane top coats (including Eastwood Chassis Black)
    • For the absolute ultimate rust remedy, first brush or spray on Eastwood Rust Converter, then prime with Rust Encapsulator
    • Available in black, red, silver and gray

    As Seen On My Classic Car TV Show



    Be the first to review this product
    Select Size *Choose option...16 Ounce AerosolQuartGallonCase of 12 AerosolsCase of 12 Quarts


    Fast is fine, accuracy is final.
    Wyatt Earp Deputy US Marshal

  6. #16

    Default GM Frame Corrosion

    Hi GM corrosion victims,

    I am currently suing GM for extensive corrosion to the undercarriage of my 2005 Silverado. Suit goes to court next month. The truck started rusting badly after about a year and the entire undercarriage is corroded.

    I spent months with the dealerships and southeast regional GM decison makers. They claimed they do not cover corrosion caused by the environment, including moisture and salt in the air. It is bogus and I will win in court. You should hear some of the double talk I got in the legal depositions.

    I may try to organize a class action against them after I win my suit. Contact me of you are interested.

    Note that GM added exclusions for road salt and sea air to its 2007 warranty, but the warranty is still bogus.

    Note that GM considers undercoating to be unnecessary and in fact voids your corrosion warranty.

    Kendonhank

  7. #17

    Default

    Quote Originally Posted by kendonhank View Post
    Hi GM corrosion victims,

    I am currently suing GM for extensive corrosion to the undercarriage of my 2005 Silverado. Suit goes to court next month. The truck started rusting badly after about a year and the entire undercarriage is corroded.

    I spent months with the dealerships and southeast regional GM decison makers. They claimed they do not cover corrosion caused by the environment, including moisture and salt in the air. It is bogus and I will win in court. You should hear some of the double talk I got in the legal depositions.

    I may try to organize a class action against them after I win my suit. Contact me of you are interested.

    Note that GM added exclusions for road salt and sea air to its 2007 warranty, but the warranty is still bogus.

    Note that GM considers undercoating to be unnecessary and in fact voids your corrosion warranty.

    Kendonhank
    if you live in a area where it snows, and they salt the road, their is hardly anything you/gm can do to keep the truck from rusting, its not their falt, you shouldn't be suing gm, you should be suing your state for covering the roads in salt, thus causing rust. personally, i think any manufacture would do the same thing for that same problem

  8. #18
    Sr. Mechanic
    Henchman's Avatar
    Join Date
    Dec 2008
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    Centralia, MO
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    171
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    Default

    Semper Fi Marine! You know, I noticed the same thing on my 07. Have you taken a look at the motor lately. I've seen a lot of rust in the motor compartment. I thought about getting under the trund with some CLP and a wire brush and busting rust!
    2007 Chevy Silverado
    5.3L Vortec V8
    Black Crewcab
    Chrome tow hooks
    Chrome side view mirror caps
    Stainless steel GM tie down hooks
    Flowmaster turbo with Silverline tips (Dual Exhaust)
    Back Wheel house liner
    Chrome door handles
    Chrome Chevy bowties front and back

  9. #19

    Default GM undercarriage corrosion

    Quote Originally Posted by 5speedsilverado View Post
    if you live in a area where it snows, and they salt the road, their is hardly anything you/gm can do to keep the truck from rusting, its not their falt, you shouldn't be suing gm, you should be suing your state for covering the roads in salt, thus causing rust. personally, i think any manufacture would do the same thing for that same problem

    I live in coastal FL and the truck has never been on salted roads. It started to rust significantly after a year. GM says it's because of the salt air, but I owned a minivan during the same period and it was parked right next to and used the same way as the truck. It had no corrosion.

    Bottom line is, if the factory properly coats and protects the metals, they will resist corrosion for years.
    Corrosion cannot occur unless water, oxygen and salt reach the bare metal.

    No vehicle should have substantial corrosion on the undercarriage after a year. I am from the Northeast, and I have seen trucks that are 15 years old that have been driven on salt roads, never garaged or washed, and used to plow roads in the winter, and they have very little corrosion.

    I have friends in FL that back their trucks into salt water to launch boats and have no corrosion.

    Of course the manufacturers will deny warranty coverage and blame it on salt, when really it is a coating failure. They know that the average person cannot afford to hold them accountable.

    After I win my lawsuit, you will see a flood of similar claims.

  10. #20

    Default

    i still dont think you will win, you shouldn't really worry about it as long as its not deep in the metal, and your supposed to have the frame re coated at the dealer after so many miles any ways. my frame has no rust on it, and it doesn't rain or snow here, you still have rain to deal with

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