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Electronic Rust Inhibitor/protection

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#1 SierraBrad



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  • 39 posts
  • Name:Brad
  • Location:Canada
  • Gender:Male
  • Drives:2011 GMC Sierra Crew Z71

Posted 03 September 2010 - 06:14 PM

Has anyone had any success or stories about the Electronic Rust Inhibitor/Protection that GM parts offers, or any brands? Looking at pro and cons to the traditional undercoating/oiling my 2008 Sierra.
2011 Sierra Crew Cab Z71, 5.3L AFM Flex, 6spd Auto, 3.42 Rear, HD Trailer and Cooling pkg, G80 Locker, 1.5" Levelling Kit, Remote Start, Deluxe Chrome Grill, Chrome Handles, WeatherTech Floor Liners, 6" Oval Steps, Bluetooth, Advantage TriFold Tonneau, GM 18" Chrome Clad Wheels, Michelin LTX M/S2

2008 Sierra Ext Cab Z71, 5.3L AFM Flex Fuel, Auto, 3.73 Rear, HD Trailer Pkg, G80 Locking Rear, 1.5" Levelling Kit, GM Chrome Bed Rails, GM 6" Oval Chrome Running Boards, Toro Spray-on Bedliner, Advantage Tri-Fold Soft Tonneau Cover, 265/70R17 Michelin LTX A/T2

#2 KeithD



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  • 39 posts

Posted 05 September 2010 - 02:55 PM

I did a bunch of reading on the internet when I first got my truck. I've always heard they were junk. Everything I found pointed to the same. The principle works in theory on boats, but a sacrificial anode (something that the corrosion attacks versus the metal, and requires replacing) is required.

I am, and always have been a fan of oil undercoating. The cons are it is messy, and it can seep out the seams of your truck, collect dust, looks nasty. I just by the really cheap 8 pack of microfiber clothes and keep a couple of them dedicated for removing oil residue.

Food for thought though, if you're not going to keep this truck for longer than 5 years than you most likely never see any benefits of rust prevention methods. It'll be 8-10 years when the body/undercarriage/fuel brake lines will show the signs of salt wear.

My truck was Krown'd when it was brand new, as I may keep it for a long enough time that I'll be thanking myself later.

#3 resin113



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  • 6 posts

Posted 05 September 2010 - 03:03 PM

The day a purchased my truck.. I had a complete undercoating and a Rhino bed liner put it.. I have always tried to protect my vehicles as early as I could.. I have never had rust issues.. Hope to keep it that way..
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