Radiator Overflow/Fill Tank Leak ?
Thread Starter
Le Mans Master
Joined: Feb 2002
Posts: 6,937
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From: Waldorf MD
Radiator Overflow/Fill Tank Leak ?
I have noticed lately that there is a small red residue on the top lip of my Radiator Overflow/Fill tank lip near my engine.
No apparent leaks at hose or cap. Also no apparent leak down side of tank or at seam of tank.
The tank holds pressure and temperature reaches over 226 F sometimes. Guess this means no air/pressure leaks.
What gives, any ideas?
No apparent leaks at hose or cap. Also no apparent leak down side of tank or at seam of tank.
The tank holds pressure and temperature reaches over 226 F sometimes. Guess this means no air/pressure leaks.
What gives, any ideas?
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You got me. Seems like the only places it could leak would be the hose or the cap, unless you have a crack in the tank somewhere.
Thread Starter
Le Mans Master
Joined: Feb 2002
Posts: 6,937
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From: Waldorf MD
Found leak
Yep, I found the leak, it was the nipple on the top of the tank. I looked at it after driving the car, and bent it and it leaked. Must be a tiny leak, but will get another tank.
Drifting
Joined: Sep 2004
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From: NC
My level has not gone done at all. Driving me crazy trying to find it. All is dry under the hood that I can see.
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Le Mans Master
Joined: Feb 2002
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From: Waldorf MD
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I have fixed cracks in my motorhome water tanks with a fibrous epoxy kit, that I don't remember the name of. It is in most rv shops and sets up in 7 min. so you have to be quick. Just a thought if your first attempt goes bad. Make sure you clean the tank with mineral spirit or alcohol.
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I fixed mine some 10k miles ago and it has not leaked since. I cleaned and roughed up the surfaces, used plastic weld on the crack and then coated it all with marinetex (epoxt based product that is used for repairing boat huls, etc... and is rated for use above and below the water line). The color of grey marinetex is almost a dead match for the tank so it doesn't stand out... Note that I did buy a new tank to fix it right, but needed the car right away and so tried what I thought had the bets chance of fixing it... so far so good...
Hope this is helpful to someone
Hope this is helpful to someone
