What are these white lines on LImited doorframe?

[LouCap]

Noticed these white lines inside the door frames on my truck. Haven't tried to wipe them off yet, because I'm curious why they're there. Look like something done at the factory during an inspection, but maybe someone knows for sure?

 

[jdefoe0424]

Typically any bolts or nuts torqued by hand(unable to use electronic means of tracking) will be marked with a paint marker. That's from my experience in a plant building large diesel engines.
It also could just be a mark saying that an inspector checked it and it's good to go.
Also possible the marks aren't put on the latch until it's been adjusted and is aligned correctly.

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[FlyMike]

I assumed they were inspection marks when I found them on mine. They easily wipe off.

 

[LouCap]

Typically any bolts or nuts torqued by hand(unable to use electronic means of tracking) will be marked with a paint marker. That's from my experience in a plant building large diesel engines.
It also could just be a mark saying that an inspector checked it and it's good to go.
Also possible the marks aren't put on the latch until it's been adjusted and is aligned correctly.

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This is what I suspected to be the case. I've seen these marks by bolts before, but usually in the engine compartment or on the frame. I guess if they were inspected that's a good thing!

Thanks for the response!

 

[LouCap]

I assumed they were inspection marks when I found them on mine. They easily wipe off.

Yup, I had a feeling that's what they were, but I thought I'd ask the group since there are so many here far wiser than me.

 

[Ram92131]

Noticed these white lines inside the door frames on my truck. Haven't tried to wipe them off yet, because I'm curious why they're there. Look like something done at the factory during an inspection, but maybe someone knows for sure?

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Separate topic: your indigo/frost interior looks very blue in these pics. When I show my truck to others, most people don't even notice the indigo... they assume it's black. Against your black paint the color difference is obvious.

 

[LouCap]

Separate topic: your indigo/frost interior looks very blue in these pics. When I show my truck to others, most people don't even notice the indigo... they assume it's black. Against your black paint the color difference is obvious.

Interesting observation. I've never really noticed that before, to me, it's always looked more black. Maybe it's because I can't see the bottom of the doors when sitting in the truck, just the leather at the top.

It could also be due to a bad white balance of the camera. I'll try to do a manual white balance later using a white card, and see if that makes a difference. I might even use a DSLR...we'll see.

 

[Neurobit]

I had the same but mine were all blue grease pencil marks.

 

[airgas1998]

Separate topic: your indigo/frost interior looks very blue in these pics. When I show my truck to others, most people don't even notice the indigo... they assume it's black. Against your black paint the color difference is obvious.

I thought the same thing..."man that's bluish".

 

[LouCap]

I thought the same thing..."man that's bluish".

Here are a few more pics of the interior. To the naked eye it doesn't look all that blue. I think these pics are a better representation of the colors.

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