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Chevrolet rear mud flaps

Spyderwebb

By Spyderwebb
in Modifications, Wheels & Tires

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Duramaxsky Enthusiast

Duramaxsky

Posted
Posted
Because they call them air deflectors, not mud flaps. They are supposed to help reduce drag of the air hitting the tires.
 
But I added flaps to my rear because I was sick of scraping snow out of my bumper, otherwise I get huge puddles of slush in the garage. What a difference decent flaps make in snow country.
Plus they will keep the dirt out of there. There is a photo in the exhaust tips thread where someone removed the step. I was shocked how much dirt was in there on a nearly new truck.

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Duramaxsky Enthusiast

Duramaxsky

Posted
Posted

Mine showed up yesterday. I will install them this weekend.

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Duramaxsky Enthusiast

Duramaxsky

Posted
Posted

Well I installed mine today. I agree that lower hinge thing is not going to work. I cut them off too. I did use the screw and nut on the bottom. There is not a place for the speed nut so I just put it on top and tightened it.

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  • 4 weeks later...
  • 1 month later...
Ed/2020RST Enthusiast

Ed/2020RST

Posted
Posted

I know it's a little late for some in me posting this BUT here it is anyhow. The trucks come with the "Fronts" only installed and GM does NOT offer "Matching" rear guards!!! To get matching guards you must order them both.  Now keep in mind to install the guards that GM offers on the Accessory website, you must drill into the fenders. I found that the Weathertech No-Drill rear guards not only match must closer to the front stock ones but you don't have to drill holes of course!

Duramaxsky Enthusiast

Duramaxsky

Posted
Posted
I know it's a little late for some in me posting this BUT here it is anyhow. The trucks come with the "Fronts" only installed and GM does NOT offer "Matching" rear guards!!! To get matching guards you must order them both.  Now keep in mind to install the guards that GM offers on the Accessory website, you must drill into the fenders. I found that the Weathertech No-Drill rear guards not only match must closer to the front stock ones but you don't have to drill holes of course!
The Durabed fenders are aluminum. Drilling in them is not the problem it would be with steel. Just use the provided hardware as the wrong hardware will corrode aluminum.

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Ed/2020RST Enthusiast

Ed/2020RST

Posted
Posted
1 hour ago, Duramaxsky said:

The Durabed fenders are aluminum. Drilling in them is not the problem it would be with steel. Just use the provided hardware as the wrong hardware will corrode aluminum.

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You are correct about dissimilar metal corrosion on the GMCs but the Chevrolets are steel not aluminum, plus the fact that on either of them you are drilling holes which I and I'm sure others have a problem drilling into a new truck!

Duramaxsky Enthusiast

Duramaxsky

Posted
Posted
You are correct about dissimilar metal corrosion on the GMCs but the Chevrolets are steel not aluminum, plus the fact that on either of them you are drilling holes which I and I'm sure others have a problem drilling into a new truck!
My truck is a Chevy and has the Durabed according to the window sticker. The web site says it has high strength steel for the floor. Mild steel for the interior box sides and aluminum for the exterior box sides and the tail gate. I tested it with a magnet and they are not steel.

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Ed/2020RST Enthusiast

Ed/2020RST

Posted
Posted
22 minutes ago, Duramaxsky said:

My truck is a Chevy and has the Durabed according to the window sticker. The web site says it has high strength steel for the floor. Mild steel for the interior box sides and aluminum for the exterior box sides and the tail gate. I tested it with a magnet and they are not steel.

Interesting----My understanding that only the hood, tailgate and I believe doors were aluminum??


 

 

  • 2 years later...
tsiripong2000 New Member

tsiripong2000

Posted
Posted
On 9/28/2020 at 7:11 AM, Spyderwebb said:

That's odd, the compatibility reference indicates they will fit a 2020 Silverado LT Trail Boss Crew Cab with the 5.3... but not the 6.2  

Mine is a 6.2 but I missed the compatibility cross reference and went with these because it was on the "fits these vehicles" reference chart:  

2020 Chevrolet Silverado 1500 LT Trail Boss Crew Cab Pickup 4-Door 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated

 

I think they simply failed to list the 6.2 version and subsequently it doesn't cross reference. 

 

Anyway they worked for me, although I did trim off the bottom flip over pinch tab... and on the very bottom tab I drilled and used another rivet since there was not an existing screw hole as the instructions suggested.

Scan0042.pdf 522.84 kB · 84 downloads

Nice Job on the install. I just received mine. I have 1 quick question, do you have to drill in to the metal in steps 6 of install instruction?

Spyderwebb Enthusiast

Spyderwebb

Posted
  • Author
Posted (edited)

Yes, as I recall I drilled one screw hole on the bottom, for the extended bottom fender mount, this was on the back only.  Sealed the hole with a little touch up paint for protection!

 

I'll take a close up picture and send it in a sec!

 

Edited by Spyderwebb
Spyderwebb Enthusiast

Spyderwebb

Posted
  • Author
Posted (edited)

Here is a picture looking from the ground up directly beneath the rear mudflap.  You can see I used a black anodized or aluminum rivet to secure.

IMG_2153 (002).jpg

Edited by Spyderwebb

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      Tire psi

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      Thanks for all that information, I might purchase one and see if it will work for me, if not they may let me return it! Yes for sure the tires are definitely within limit for my truck empty, and when I do tow I'll definitely make sure to raise the rear psi for the amount of weight that's going to be on it.
    • Chuck FB
      Tire psi

      By Chuck FB · Posted

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    • jgaudet99
      Tire psi

      By jgaudet99 · Posted

      Thank you, I'll check that Autel scanner out and see if it will work for me! Ya I can see GM's point of view if they lower the psi set value for someone and the person sell's the truck and the new owner puts the factory tires back on then their could be liability issues cause the psi warning light wasn't coming on when the tires were under inflated for towing their load and then it might be able to be traced back to GM lowering it.
    • Chuck FB
      Tire psi

      By Chuck FB · Posted

      I had a similar but different response when I talked to the service manager where I bought my truck in that he said GM corporate won't allow them to lower the placard pressure setting as they would get their hand slapped but that of course they have the ability to make that change. His suggestion was simply go to a tire dealer or third party shop that is willing to reset the pressures lower. However I chose to buy a tpms tool and partly based off of this very forum as it had been proven to work on the 2024 model ( Global B system ) and while I could have paid lots for a full two way diag tool, I didn't want to spend that much and bought the recommended Autel TS 508 and it will reprogram the 2025 model and assume it should do the 2026 as well. However the tool is rather proprietary to reprogramming Autel tpms sensors so that is a function I will never use, where as a real two way scanner would have many uses but also have yearly subscriptions etc where this 508 is free updates for as long as they put updates out for the unit. In any event it worked to lower the placard pressures and I often use it to adjust my actual tire pressures although will check with a mechanical gauge as well sometimes just to make sure that tires tpms sensor isn't lying to me.    My suggestion is either buy a tool that you know will work to adjust the system or start out by getting the tire shop you bought your tires from to reset your truck and if after that you still want a unit to do it yourself, get one at that point. 
    • jgaudet99
      Tire psi

      By jgaudet99 · Posted

      Here is an image of a quick Google search about these tires on my truck and it's exactly same psi recommendation the Toyo tires company gave me!    I'm not looking for anyone else recommended psi or anything, I'm just looking to see if anyone knew a way to get rid of the factory low psi warning light, because I'm not running high psi and ruining my tires when I'm not towing! 

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