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Radiator Leaking

leeboy66

Well-known member
Joined
Dec 27, 2005
Messages
61
Location
Long Island, New York
Corvette
1977 Bright Yellow Coupe
I noticed my radiator is leaking coolant from the bottom of the unit on the driver's side. Does anyone have any idea how hard it is to replace the entire unit? Could it just be a hose problem? I was thinking of getting an aluminum radiator. Does anyone know of a good manufacturer? Thanks in advance for your help.
 

6880 Mike

Well-known member
Joined
Jun 30, 2006
Messages
2,723
Location
The Bluegrass State
Corvette
1968 convertible; 1980 L-82
Check the clamp on the hose. Could be a slow leak around the clamp. You should be able to see where coolant has run down the radiator to the bottom.

Why go aluminum? My advice would be to have your stock unit recored.

:)
 

Jim B

Well-known member
Joined
Feb 26, 2006
Messages
62
Location
Illinois
Corvette
1974 L82 Grey coupe
radiater leak

I just pulled mine and had it re-cored(wanted the original). A real pain getting mine out, hope yours is easier.
 
Joined
Aug 19, 2004
Messages
485
Location
Denver, CO
Corvette
'72 Targa Blue Coupe
None of them are easy. An adequate supply of the FCB of your choice is often helpful.
:)

You are right there-between the shroud (PITA) and the radiator itself, it's a painful process. Oh, and while trying to drain the radiator, the petcock sheared off. Splish, splash-I was taking a bath.

Now, I know what a BFH is, but what's FCB? Full Cans 'o' Beer? ;)

:beer

Rick
:gap
 

lone73

Well-known member
Joined
Sep 24, 2003
Messages
456
Location
Texas
Corvette
'73 4spd coupe, '04 6 speed coupe
If its not a hose connection leaking I'd put a new one in it. Been down the re-core road and it isn't worth it (unless you're way into originality) IMHO. A rule of thumb for buying is: The cheaper you get the more you'll have to modify it to get it in there.

And while you're at it...
Probably should check out the radiator support as well. Replaced mine about 2 years ago, it was about to let my rad fall out on the ground.

good luck
.
.
.
 

LVMYVT76

Well-known member
Joined
Apr 21, 2006
Messages
664
Location
springfield, mo
Corvette
1976 medium blue
I have done it both ways, first I recored the original radiator, you have to watch these, if they are using foreign replacements and they can be 1/4 wider which makes it hard to put back in. Now I have put in a dewitts alum and it is 30 degrees cooler and it fit perfect!!! It depends if you want to tay originalor not. There are replacements like the originals, but talk to them and ask questions like where they are made and who is making them, are they the same exact size, return policy etc.
 

leeboy66

Well-known member
Joined
Dec 27, 2005
Messages
61
Location
Long Island, New York
Corvette
1977 Bright Yellow Coupe
I'm thinking of going with the aluminum radiator from dewitts. Was it a pain in the ass to install? Did you need to buy any additional hardware?
 

fine69

Well-known member
Joined
Dec 12, 2004
Messages
975
Location
Maryland / D.C.
Corvette
'69 Convertible Vette; '72 Z28 Camaro Rally Sport
I noticed my radiator is leaking coolant from the bottom of the unit on the driver's side. Does anyone have any idea how hard it is to replace the entire unit? Could it just be a hose problem? I was thinking of getting an aluminum radiator. Does anyone know of a good manufacturer? Thanks in advance for your help.


I went with deWitts. It bolted right in without any modifications.
 

LVMYVT76

Well-known member
Joined
Apr 21, 2006
Messages
664
Location
springfield, mo
Corvette
1976 medium blue
So did I, was a better fit than the original!! Great service from them and packaged and shipped very promply. They also have electric fans if you are wanting to change. My car is running 30 degress lower now. I think I can put back in the correct temp thermostat now.
 

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