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Author Topic: Easy Paintless Ding Repair  (Read 2529 times)

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Offline Hutch

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Easy Paintless Ding Repair
« on: February 12, 2014, 04:44:55 am »
I was able to repair 2 dings in a tank I recently purchased using one of those harbor freight glue gun dent pullers.

Here's the process:
1. Start off by thoroughly cleaning the repair area, I used denatured alcohol.
2. This part is critical, allow the glue in you glue gun to get as hot as possible.  For me this meant a 10 minute heat time.
3. Also critical, use a generous amount of glue on the dent lifter (2 are provided with the kit).  This was counter-intuitive, my thought was to use enough glue to cover the surface of the dent lifter, that is not enough.  Also, be sure the glue goes into the small hole in the lifter face.
4. Don't press to hard when applying the dent lifter to the surface of the tank, you want roughly 1/8" of glue between the lifter and metal surface when it dries.
5. Allow the glue to harden completely, it will turn opaque. For me at room temperature, this was roughly 3- 5 minutes. Don't be temped to shave time hear if you want a good result.
6. When you begin pulling the dent, go slow.  I mean molasses slow. 
7. When removing the glue from the tank, us a small amount of release agent on one edge, and brush some on the glue surface.
8. Repeat steps 1-7.  This is a tedious process, the ding pictured required 12-15 pulls.

I was skeptical of this thing working, but I was considering finishing the tank with a clear coat over bare metal and didn't want to fork over the cash to a body shop.  I din't get quotes, my guess is that it would have been in the $150-200 range for a paintless repair.  I'll post a picture of the result later, someone with some body work skills could probably make it look as if the dent isn't there with finishing tool provided.  As it sits, I'll need the lightest of skim coats to make the dent go away completely.  At under $15, this is a great investment. 
« Last Edit: February 12, 2014, 05:19:31 am by Hutch »

Offline calj737

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Re: Easy Paintless Ding Repair
« Reply #1 on: February 12, 2014, 07:40:22 am »
This is a very good technique, but has some caveats: won't work on creased dents, you'll need to "push" those. The "ding" must only be shallow, glue can't lift a deep dent. And don't use this technique near stripes. They are tape and it will pull the tape off. Every time. But if the situation is outside those, works great.
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Offline Hutch

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Re: Easy Paintless Ding Repair
« Reply #2 on: February 13, 2014, 05:03:30 am »
There's still some glue residue, here's the result.

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Offline Hutch

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Re: Easy Paintless Ding Repair
« Reply #3 on: February 13, 2014, 05:04:54 am »
Pic

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Offline Hutch

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Re: Easy Paintless Ding Repair
« Reply #4 on: February 13, 2014, 05:05:53 am »
Different angle

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Offline calj737

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Re: Easy Paintless Ding Repair
« Reply #5 on: February 13, 2014, 06:23:13 am »
Denatured alcohol will take the right off.
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Offline azuredesign

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Re: Easy Paintless Ding Repair
« Reply #6 on: February 15, 2014, 12:57:35 am »
Looks like a well done job! I have always thought that dents caused stretching of metal, but that does not appear to be the case here, because with a small dent, the stretch is also proportionally small?

Offline calj737

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Re: Easy Paintless Ding Repair
« Reply #7 on: February 15, 2014, 04:16:46 am »
Dents do stretch the metal. But small dents don't do significant damage. Also, these 40 year old tanks are very thick metal, so there is no reason they can not be pushed, pulled or pounded upon to work them into shape.
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Offline rupaulpierce

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Re: Easy Paintless Ding Repair
« Reply #8 on: May 16, 2019, 10:37:44 am »
Clamp puller or slide hammer?


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Offline calj737

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Re: Easy Paintless Ding Repair
« Reply #9 on: May 16, 2019, 12:42:42 pm »
Clamp puller or slide hammer?
The Lazarus post... ::)
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Offline rupaulpierce

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Re: Easy Paintless Ding Repair
« Reply #10 on: May 17, 2019, 07:08:38 am »
What’s dead may never die! Seems like the slide hammer would be difficult to use on something not fixed like a motorcycle tank.


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