C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Steam from radiator cap - whoa...

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Old Dec 15, 2002 | 09:36 AM
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FlyboyZR1's Avatar
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Default Steam from radiator cap - whoa...

Ok so I took her for a ride after replacing a hose and "'burping" the cooling system. Got home, popped the hood and notice steam coming from the radiator cap. I looked closer and the cap itself looks kind of deformed and burnt. I didnt loose any coolant, but I'm thinking I didn't tighten the cap properly when burping the system, and therefore fried the cap. Anyone have this happen? :D
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Old Dec 15, 2002 | 10:33 AM
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Default Re: Steam from radiator cap - whoa... (FlyboyZR1)

I dont think the heat from the water would warped the cap. That is a easy fix... Parts store.
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Old Dec 15, 2002 | 12:00 PM
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Default Re: Steam from radiator cap - whoa... (corvette0096)

I would take the cap to a good radiator shop and have them pressure check the cap. A good parts store may also have a tester. These caps have a pressure function and a vacuum feature. Also visually check the radiator where the cap attaches. Something seems amiss.

dlmeyers 90 coupe zf6 3 speed shocks

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Old Dec 15, 2002 | 08:13 PM
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Default Re: Steam from radiator cap - whoa... (dlmeyers)

:cheers: Probably easier and cheaper to just buy a new cap!

I prefer the STANT caps with the pressure relief lever.

Check the PSI rating on your existing cap and get one at the same rating

Jack
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Old Dec 15, 2002 | 08:47 PM
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Default Re: Steam from radiator cap - whoa... (jackdaroofer)

:cheers: Probably easier and cheaper to just buy a new cap!

I prefer the STANT caps with the pressure relief lever.
Yep, got a stant cap for the time-being. I think it's 16lbs. Not sure how it compares to the ACDelco, but it's definitely not as shiney. :seeya
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