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calling all OT mechanics
Posted on 7/25/19 at 3:23 pm
Posted on 7/25/19 at 3:23 pm
Will that flex seal stuff stop a slow leak on the tank of a radiator?
Posted on 7/25/19 at 3:26 pm to L1C4
No. Google it. I looked this up awhile back when I had a pinhole leak. Ended up just replacing the radiator. Think it was about $120.
This post was edited on 7/25/19 at 3:30 pm
Posted on 7/25/19 at 3:31 pm to L1C4
Maybe for a temporary fix. Certainly not permanently.
Posted on 7/25/19 at 3:33 pm to L1C4
Good stuff. Highly recommend. Seals leaks and adds lubrication to the cooling system as well.


Posted on 7/25/19 at 3:40 pm to Bedhog
you'll be paying someone to change the heater core if you use that shite. Heater core change is way more costly than changing the radiator.
What kind of vehicle (year, make, model) are we talking about?
What kind of vehicle (year, make, model) are we talking about?
Posted on 7/25/19 at 3:49 pm to DLauw
Older truck. 2000 ranger with a 4 banger
Posted on 7/25/19 at 3:50 pm to DLauw
quote:wrong. I usually don't recommend any fix it kind of crap to pour into a vehicle but that Barsleak is awesome and no it will not stop up a heater core. It actually comes in factory Corvettes since there is aluminum blocks and heads and the stuff keeps retarded leaks from happening.
you'll be paying someone to change the heater core if you use that shite. Heater core change is way more costly than changing the radiator.
What kind of vehicle (year, make, model) are we talking about?
read
quote:
Our products have been, and continue to be, used in OEM applications. Brand new cars get our stuff installed at time of manufacture. Think about that. Our technology is also used in military and commercial applications. Like so many other product categories out there, there’s stuff that’s good and proven effective and has had long market longevity, and there’s stuff that’s quite a step down from that.
Posted on 7/25/19 at 3:50 pm to L1C4
don't listen to him. I've been a professional mechanic for over 2 decades.
Posted on 7/25/19 at 4:10 pm to L1C4
quote:
Will that flex seal stuff stop a slow leak on the tank of a radiator?
Sounds like you are talking about the plastic reservoir... then yes.
If it's the actual radiator, on a Ranger, it's almost as cheap and easy to change it with a pick-n-pull one.
Posted on 7/25/19 at 4:31 pm to L1C4
quote:
slow leak on the tank of a radiator?
Is the leak on the radiator or the overflow tank?
Posted on 7/25/19 at 5:28 pm to L1C4
The top of a plastic radiator get hotter than any part of the coolant system if there's air present aka a leak.
Posted on 7/25/19 at 6:15 pm to L1C4
Less than 100 bucks for new radiator.
The stop leak may work for a while. Is the leak a pinhole from a rock or corrosion? How long until more corrosion leaks begin? How long until you are in the middle of no where and a large leak occurs, engine overheats, warps your cylinder head and leaves you on foot in 98 degree heat?
RockAuto
The stop leak may work for a while. Is the leak a pinhole from a rock or corrosion? How long until more corrosion leaks begin? How long until you are in the middle of no where and a large leak occurs, engine overheats, warps your cylinder head and leaves you on foot in 98 degree heat?
RockAuto
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