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Dipstick color #4103223 05/21/16 11:56 PM
Joined: Feb 2010
Posts: 2
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MarcosTan Offline OP
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Hey everyone, recently i realised my dipstick's oil submerged area, is blackish in color.
I cleaned it well, oil changed, it is still blackish in color.
I gather it could be a metal material reaction to something.
I have never encountered dipsticks to be black in color on the lower portion.
Probably heat? Or probably because of my adding of Liqui-Moly Ceratec.
Anybody has this problem?

Re: Dipstick color [Re: MarcosTan] #4103234 05/22/16 12:14 AM
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Posts: 10,388
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spasm3 Offline
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IS the dipstick black when you wipe it off?


13 elantra 78k 5w30 synpwr
03 chevy avalanche 83k synpwr 5w30
17 mazda cx-5 12300 miles m1 0w30
Re: Dipstick color [Re: spasm3] #4103286 05/22/16 03:45 AM
Joined: Aug 2010
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Kira Offline
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^^ ABOVE QUESTION IS GOOD^^

There were black solids on my dipstick which had to be removed with steel wool. ...on a well maintained car too.

Re: Dipstick color [Re: MarcosTan] #4103287 05/22/16 03:45 AM
Joined: Oct 2012
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Ducked Offline
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Originally Posted By: MarcosTan
Hey everyone, recently i realised my dipstick's oil submerged area, is blackish in color.
I cleaned it well, oil changed, it is still blackish in color.
I gather it could be a metal material reaction to something.
I have never encountered dipsticks to be black in color on the lower portion.
Probably heat? Or probably because of my adding of Liqui-Moly Ceratec.
Anybody has this problem?


"I gather it could be a metal material reaction to something." - Probably.
"Probably heat?" probably not heat alone.
"Or probably because of my adding of Liqui-Moly Ceratec." - Probably, though I've no experience with that.

Assuming you've got no history of gross overheating (this an aircooled engine?) you could experiment, if you care enough.

Get two small containers, (small bottles or cans, bottles better) and two pieces of bare, degreased steel (nails, or maybe pins or needles probably convenient. Alloy won't be the same but probably close enough)

Put a little treated/untreated oil in each bottle with a steel thing and heat both in a double boiler daily for a week or until you get bored. Don't cap the bottles. If the treated oil turns the pin/needle/nail black, and the control oil doesn't, you have your suspect.

Re: Dipstick color [Re: Kira] #4103289 05/22/16 03:49 AM
Joined: Oct 2012
Posts: 4,825
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Ducked Offline
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Originally Posted By: Kira
^^ ABOVE QUESTION IS GOOD^^



No it isn't. At least not if "I cleaned it well" means "I cleaned it well".

Re: Dipstick color [Re: spasm3] #4103296 05/22/16 05:05 AM
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Posts: 2
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MarcosTan Offline OP
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Yes, dipstick is black even when i wipe off oil.

Re: Dipstick color [Re: MarcosTan] #4103346 05/22/16 07:16 AM
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AuthorEditor Offline
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Maybe an aftermarket dipstick made of some cheapy metal? I've never seen that, even on some old engines that haven't had their oil changed in a long time. It is always wipe the dipstick and it looks clean and shiny, even on diesel engines where the oil is really black and nasty. If the bottom of the dipstick has blobs of goo on it you have sludge in your crankcase. Time to run some cleaning stuff on short OCIs.

Last edited by AuthorEditor; 05/22/16 07:18 AM.
Re: Dipstick color [Re: MarcosTan] #4103425 05/22/16 09:05 AM
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goodtimes Offline
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Dipsticks are tough and springy, maybe you got a piece that was blued on one end from heat treatment or some process like that.

Re: Dipstick color [Re: Ducked] #4103458 05/22/16 09:47 AM
Joined: May 2010
Posts: 10,388
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spasm3 Offline
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Originally Posted By: Ducked
Originally Posted By: Kira
^^ ABOVE QUESTION IS GOOD^^



No it isn't. At least not if "I cleaned it well" means "I cleaned it well".


Not familiar with ceratec additive. I was considering that a moly additive could make it look like that. I have used a liquimoly additive that made the end of the dipstick look olive black.

Last edited by spasm3; 05/22/16 09:47 AM.

13 elantra 78k 5w30 synpwr
03 chevy avalanche 83k synpwr 5w30
17 mazda cx-5 12300 miles m1 0w30
Re: Dipstick color [Re: MarcosTan] #4103481 05/22/16 10:22 AM
Joined: Feb 2013
Posts: 3,662
Silverado12 Offline
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It the car by chance a Chrysler product? I had a 2001 Dodge truck that for some reason the lower part of the dipstick below the safe zone was black from the factory. It was supposed to be that way.


12 Chevy Silverado ext. cab LS, 2WD 4.3 auto
18 Mustang GT 5.0 auto
07 Harley Dyna Street Bob 96 c.i. 6 sp.
00 Mustang GT auto
Re: Dipstick color [Re: MarcosTan] #4111111 05/31/16 06:33 AM
Joined: Nov 2007
Posts: 3,996
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mjoekingz28 Offline
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We outta call up the Chrysler turbo encabulator gentlemen and ask them to perform a TSB on dipstick metallurgy, installation and rendering readings!

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