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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

radiator issue

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Old Apr 20, 2010 | 05:11 PM
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radiator issue

ok so i park my truck this afternoon. and after i do i look at the front and im dripping colant from the pass side front of my truck. so i pop the hood and i cant see a leak. so i crawl under it and i cant feel a leak. the rad hoses arent leaking and neither is the drain plug. i havnt had a chance to pul the rad out and check over it but just wondering if anyone else had a problem like this. its dripping from the core support.

my other question is should i be worried about a head gasket issue?
 
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Old Apr 20, 2010 | 05:24 PM
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No need to worry about a head gasket for a minor coolant leak.

You won't see much till you pull the fan shroud back out of the way.
 
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Old Apr 20, 2010 | 05:40 PM
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so just unbolt the fan shroud and the radiator and i should be able to see where its leaking from?
 
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Old Apr 20, 2010 | 09:52 PM
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Leak

Mybe ck the drain plug or run your fingers under the water pume and see if you have any coolet on them
 
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Old Apr 20, 2010 | 10:20 PM
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the drain plug is dry and no coolant comming out of the water pump. the leak is dripping off the pass side lower radiator support.
 
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Old Apr 20, 2010 | 10:25 PM
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Its not coming out of the overflow tube is it?

I've accidently put too much fluid in mine and it will drip out of the little tube next to the cap on my radiator.
 
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Old Apr 20, 2010 | 10:33 PM
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nope passenger side of the radiator. the cap and hose to the overflow tank are both new. im kinda worried about this because ill go through an overflow tank full of water in about 3 days. its like the truck'll heat up and then when i shut it off it leaks form the passenger side of the radiator
 
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Old May 17, 2010 | 05:46 PM
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so i pulled off the clamps that hold the top of the radiator in, and on the passenger side right where the fins meet the end tanks its spitting and pi$$ing out coolant is this an area that can be fixed or am i screwed and need to get a new rad?
 
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Old May 17, 2010 | 07:02 PM
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If you have the radiator with the plastic tanks, you can pull the radiator and carefully bend back the tabs, and put a new gasket in place, and then bend the tabs back. They say you can do this one or two times till most of the tabs break off.
 
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Old May 17, 2010 | 07:04 PM
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nope matal radiator all the way. so im guessing that means my rad is junk
 
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Old May 17, 2010 | 07:09 PM
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and its not where the end caps are connected to the core. its leaking where the coolant tubes that the fins are on go into the end tanks
 
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Old May 18, 2010 | 03:09 PM
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Don't know how big your leak is, but many years ago in my old '77 F150 we were heading up to northern Washington state to cut down a christmas tree and while stopped for gas, I noticed the radiator was shooting a 4' stream of coolant out through the grill. Being many miles from home I went in the store, and they sold me some Bars Leaks powdered stop leak. This stuff is like little tiny golden flakes. I poured it into the radiator and watched the leak just die after just a couple of minutes. Being real skeptical I figured it was just a temporary fix. Well I had that truck for another 8 years, and never had another leak. Might be worth trying.
 
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Old May 18, 2010 | 03:53 PM
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If it is a small leak what rockstone suggested should work, I've also used black pepper in the past. If it is larger it might be repairable, but it also might be cheaper to get a new radiator then get it fixed, at least that's what I've been finding.
 
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Old May 18, 2010 | 04:37 PM
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iv heard about using black pepper how much would i use to try that
 
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Old May 18, 2010 | 06:35 PM
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x2 on the Bar's Leaks. I used it this weekend on my Firebird which was shooting water out of the radiator.
 
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