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Cooling Discuss all of the aspects of cooling that you can think of! Radiators, transmissions, electric fans, etc.

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Old 04-05-2012, 07:43 PM   #1
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Car: 85 Camaro Z28
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Nipple on radiator help....

Ok folks.... The 1/2 or 5/8 plastic nipple on our radiators that sits a bit below the radiator cap on my setup is leaking. I bypassed and eliminated the need to have this line connected, so I used a Heater hose rubber cap with a clamp on this nipple.

My issue is that the cap dry rots and starts to crack and leak every few months or so.

What can I do for a more permenant fix for this. It is a plastic nipple so I don't know what to do. I thought about tapping it and inserting a threaded plug, but finding a tap for this side hole is proving to be a little pricey.

Any suggestions or thoughts??
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Old 04-05-2012, 08:16 PM   #2
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Re: Nipple on radiator help....

lol hater hose lol

Buy a new rad.
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Old 04-05-2012, 09:49 PM   #3
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Re: Nipple on radiator help....

Don't need a new radiator.... All of the radiators come with the same nipple..
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Old 04-05-2012, 10:07 PM   #4
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Re: Nipple on radiator help....

i have the same problem with my aluminum radiator. whatever plug i put on that nipple lasts about 6 months then cracks and leaks. Next time i might just pull the damn radiator and have the hole welded shut. You cant do that unfortunately.

i will look like crap, but yopu may be better of using a short piece of heater hose, then a brass plug clamped into that. The hose seems to be much better made than any cap i have every seen
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Old 04-05-2012, 10:51 PM   #5
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Re: Nipple on radiator help....

if u talking about the niple that is half inch diametar and has plastik cap whit rubber ring....i bouth all aluminum radiator the brand is sila...some china rad but was cheap...so anyway as soon as i put it on it start leaking from there...so what i did is,i grind the edge of the niple couse its a little big cose little cap locks on the edge of it...i put half inch hose whit 2 clamps and a half inch stainles bolt....problem solved
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Old 04-05-2012, 10:51 PM
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