Fender Liner Modification with Rivnuts

DanB

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During my upgrades I had to remove all 4 fender liners and noticed the different types of fasteners used by Dodge. Some were one time use others just broke during removal.

I decided to change to a more positive and removable set-up.

Using 1/4-20 Rivnuts and 1/4-20 x 1" SEMS bolts I eliminated the mismatched bolts and rivets/push-in retainers.

Tools needed are:

Drill
3/8" bit
1/4-20 Aluminum Rivnuts
Rivet Nut Setter Marson RN-1
1/4-20 x 1" SEMS bolts Wurth 902.5797


0.5. Remove liner.
1. Drill out holes.
2. Touch up holes with primer/paint or something.
3. Insert Rivnut onto tool.
4. Insert Tool with Rivnut in hole.
5. Squeeze Rivnut tool with all your might.
6. Don't shart.
7. Rinse and repeat.
8. Replace liners and use bolts.



Straight forward once you have the tools all good to go.

I also did the bottom 4 on both side sill with the same bolts and rivnuts. I left the original ones as they weren't stripped. If one falls out from the bottom it is now just a bolt and not a sharp *****.


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I feel it cleans up the liners and allows you removal with less tools. This way you can use just a 10MM to remove all the bolts.

The rear liner used 3 rivets that I drilled out and will replace with a plastic Christmas tree fastener that just pushes in. The liner is completely secure with the bolts in place. This way there is not drilling anymore to remove the rear liner.

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ViperJohn

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Nicely done. I have been meaning to do this modification to my side sill screws. If you haven't done those, you may want to look into it.
 

DanB

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I did put rivnuts on my sidesills but only on the bottom ones.

My top ones weren't stripped and went back in nicely. If any are going to fall out and find their way to my tire it would be a bottom one.
 

jwolf

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I hope you sealed the steel around the holes you drilled other wise the aluminum against the steel electrolysis could be a real rust issue down the road.
 

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