This is stop leak 100%. All that "silly putty" is copper and sealant.
2025-12-14 03:57:07
9
JR :
That’s rust from the engine block
2025-12-14 03:55:07
5
rjh0126 :
The coolant in those vehicles just do that. I worked for dodge for a long time that coolant sucks.
2025-12-14 22:38:19
2
willimac75 :
I see this everyday this is a chemical reaction that occurs when you mix 2 different types of antifreeze. It happens alot more on GM vehicles that require Dexcool antifreeze and someone mixes the green in with it.
2025-12-15 16:05:56
3
DrSmoke :
my vehicles get nothing but caterpillar green coolant. zero issues ever!
2025-12-16 15:05:40
2
DeepFriedApplePie In :
Coolants are also designed to reduce corrosion and keep coolant lines from dry rotting. Just like engine oil, it does “wear” out, mixing different coolants, using tap water, and leak stop products all add extra contamination and reduce non cooling performance,
2025-12-15 16:31:58
2
☠︎Rob ☠︎ :
that is 100% stop leak
2025-12-14 17:50:28
2
Jason Ehrman :
cfr will clean it out
2025-12-14 18:30:24
1
michaelhoncho385 :
Coolsnt over time will become corrosive
2025-12-14 04:46:55
1
Tim :
Ive seen this happen going from a newer Ford coolant to old school green and it was bad news. happened to multiple fleet vehicles.
2025-12-15 17:54:18
3
rdempsey1777 :
Happened to my 96 Toyota and I drain and washed it out and it still did it
2025-12-15 16:03:12
0
KellyJay :
Very common on ram 2500 trucks. 2017 Ram 2500 I'm on my second heater Core.
2025-12-16 08:56:00
2
alexhenkhaus0 :
these rams are just notorious for this. I do alot of them
2025-12-15 14:17:10
1
Bad Ass :
I used to see the ford Taurus do this same thing back in the 90’s. I don’t think it’s a coolant issue a much as a poor quality of cast iron. Just my thoughts.
2025-12-14 04:23:57
1
tom shuey :
it's general motors biggest mistake
2025-12-13 17:25:13
0
jacobkelley2751 :
Facts
2025-12-17 00:35:40
2
Bgct66 :
bars leak?
2025-12-14 03:32:39
1
bradyh92 :
May have been bars leak or something
2025-12-15 00:30:17
0
Trevor Oglesby33 :
It will do that in the EGR cooler also. A shop mixed mine with stuff that was supposed to be compatible with mopar coolant and I had to change everything
2025-12-15 03:12:08
0
DkMk :
you cut it off before the customer accepted the work order?
2025-12-15 18:12:54
0
ChronicDisorder :
Looks like water and stop leak😂
2025-12-15 01:20:45
0
Ricardo Acosta9889 :
I see that from customers from ranches that use well water
2025-12-15 14:44:13
0
jackbp71 :
Mix different colors & nothing happens !!!!
2025-12-15 03:38:56
0
TANKKILL2020 :
Use to make exclusive makeup for female mechanics
2025-12-14 03:47:56
0
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