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MunkPuppy · Posted: Mon Jan 24, 2005 3:03 pm Post subject: Radiator has a hole...

Whenever I warmed up my car, I saw steam coming from my radiator... until the issue cleared up after all of the coolant had squirted out of what I believe to be a very small hole.

Other than using one of those hokey aluma-seal or rad-seal fixes, is there any practical way to fix the leak without needing to replace the whole radiator?

If the answer is no, then does anyone have a decent (and hole-less) radiator to sell?

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'80 931 FOR SALE

"It's a shame that stupidity isn't painful"
-Anton Szandor LaVey

Khal · Posted: Mon Jan 24, 2005 3:42 pm Post subject:

Got a welder..?

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'80 924 Turbo

Sleykin · Posted: Mon Jan 24, 2005 4:57 pm Post subject:

Aluminum radiators are not easy to patch. Problem is that if it is an erosion hole the rest of the core is not far behind. You might be able to get it re-cored at a radiator shop or you might get by for awhile with some epoxy putty, if you can get it clean enough to seal. If it is a brass radiator just solder it up and go

(but I never heard of a brass radiator in a Porsche)
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Glenn Neff
Medford, OR
87' 924S

welder · Joined: 16 May 2003 Posts: 158 Location: cumberland,maine

I had my 78na radiator re-finned and cleaned out. Yes my radiator was brass with copper fins. If the hole is easly accessable you can have it re-soldered, but if the hole is in the middle behind the fins take it out and take it to a radiator shop to be resoldered. It's cheaper to remove the radiator your self and drop it off than to have them remove and then repair it. (less labor) If you can see the hole and it's on the side tanks they can solder it right in the car.
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I have a 78 n\a currently under restoration.

D Hook · Joined: 02 Nov 2002 Posts: 3158 Location: Omaha, NE

About 18 years ago I took out the radiator and took it to a shop and had it rodded and completely cleaned out. It's been good ever since. It's not hard by any means to pull and it'll be worth it, providing it's repairable. I'd go that route before buying a different one.

If not, I'm sure there's someone on the board who's got an extra. I've got a new one sitting in my basement but I'm kinda' saving it for that emergency that I'm sure will come someday.

If you want to buy it, fill out a money order or cashier's check with a 1; then keep adding zeros until I smile like this:

macBdog · Posted: Wed Jan 26, 2005 9:58 pm Post subject:

After I wrecked the drain plug in my radiator (damn wrong torque specs in Haynes), I took it to the local radiator shop and they took the end caps off, did the full rod clean, welded up four holes, put a new drain plug on, put the caps back on and gave it a fresh coat of black paint for $70. Cheap AS!
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1979 931 with a 350 chev
1973 911E with EFI

sleepy · Joined: 29 Nov 2004 Posts: 63 Location: UK

I also snapped off the drain plug after doing a radiator flush. One £4 bottle of 'Radweld' & I havn't lost a drop since. It's simple stuff but has been used for decades.
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meteor silver 1981 924 lux. -UK

Mikri184 · Joined: 12 Sep 2003 Posts: 746 Location: Ferndale, WA

If you need a radiator, I have a shlf full of them, and don't think y9ou are too far away to come and get one, there is a Board member discount if you pick it up (free). Good Luck
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Life is to short to be looking for something?