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FYI What are witness marks?

Welcome to RVForums.com

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  • Invite your friends and let's have fun
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Joe Hogan

RVF Supporter
Joined
Nov 3, 2019
Messages
2,730
Location
Florida
RV Year
2024
RV Make
Newmar
RV Model
Dutch Star 4311
RV Length
43
Chassis
Spartan
Engine
Cummins
TOW/TOAD
2018 Ford Flex
Fulltimer
No
 
Every bolt on my jeep has these marks. I am amazed how often I find one loose.
20220112_191751.jpg
 
@redbaron what brand paint marker do you use? Thank you:)
 
I use the LaCo Markal pens. I have a variety of colors.

Red is what I consider critical
Yellow for maintenance
White as alternative
 

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