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#4459625 - 07/14/17 08:15 PM Coolant overflow tube connector broke off
methusaleh Offline


Registered: 06/09/05
Posts: 448
Loc: Vermont
I apologize if one of the photos appears upside-down, it does not on the device that I used to take the photo, but it does on the preview of my upload here.

Vehicle is a 1985 Chevy K5 Blazer. It is not a daily driver. I bumped up against the coolant overflow tube connector (for lack of a better term) with just enough force to break it off the neck of the radiator. It came from the little hole you can see directly below the radiator cap. I tried to JB Weld it back into place, but the location is so awkward that I couldn't get a clamp of any size in there to hold it while the JB Weld cures. I then went to the hardware store and got a male-to-male fitting that fit into both the overflow tube and the hole, however once again I can't come up with a way to hold it in the hole while adhesive or JB Weld cures/hardens.

The depth of the hole under the radiator cap is no more than 3mm or so, which is barely anything for adhesive/JB Weld to grab onto anyhow.

Any ideas? My redneck neighbor-- albeit he's a handyman-- says just ignore it and watch the temperature gauge, but I'd like more input than that!



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#4459634 - 07/14/17 08:31 PM Re: Coolant overflow tube connector broke off [Re: methusaleh]
clinebarger Offline


Registered: 12/19/13
Posts: 1994
Loc: Fort Worth, Texas
Take the radiator to a radiator shop.....They can acid flux & silver solder that back on it a few seconds, The hole needs to be vertical when soldering the nipple back on....At least when I do it.
_________________________
2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/Auto

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#4459649 - 07/14/17 08:45 PM Re: Coolant overflow tube connector broke off [Re: methusaleh]
NHGUY Offline


Registered: 10/09/11
Posts: 5062
Loc: USA
1985? I think I'd replace the radiator.Its probably 1/2 plugged anyway.

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#4459669 - 07/14/17 09:05 PM Re: Coolant overflow tube connector broke off [Re: methusaleh]
Chris142 Offline


Registered: 06/05/03
Posts: 16970
Loc: Deplorable in apple valley, ca
Ya we fix that problem all day long whete I work.
_________________________
02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40

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#4459796 - 07/15/17 03:14 AM Re: Coolant overflow tube connector broke off [Re: Chris142]
Merkava_4 Offline


Registered: 01/30/07
Posts: 17501
Loc: Clovis, CA
Originally Posted By: Chris142
Ya we fix that problem all day long where I work.


And how do you fix the problem ?

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#4459871 - 07/15/17 07:19 AM Re: Coolant overflow tube connector broke off [Re: methusaleh]
copcarguy Offline


Registered: 12/06/12
Posts: 353
Loc: PA
A brand new radiator at www.rockauto.com is $75 - $115.

I'm sure you'd be close to or over this amount by the time you're done fiddling with it.


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#4460365 - 07/15/17 06:11 PM Re: Coolant overflow tube connector broke off [Re: methusaleh]
methusaleh Offline


Registered: 06/09/05
Posts: 448
Loc: Vermont
Thanks for all the replies. I am still considering options and ultimately need to discuss it with my wife. Doesn't look like something that will break the bank, though smile

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#4460712 - 07/16/17 08:32 AM Re: Coolant overflow tube connector broke off [Re: Merkava_4]
Chris142 Offline


Registered: 06/05/03
Posts: 16970
Loc: Deplorable in apple valley, ca
Originally Posted By: Merkava_4
Originally Posted By: Chris142
Ya we fix that problem all day long where I work.


And how do you fix the problem ?
we solder it back on.

Broadway Radiator & Air Conditioning Service

https://www.yelp.com/biz/broadway-radiat...ef=yelp-android


Edited by Chris142 (07/16/17 08:34 AM)
_________________________
02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40

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#4460942 - 07/16/17 01:13 PM Re: Coolant overflow tube connector broke off [Re: methusaleh]
Lubener Offline


Registered: 01/22/11
Posts: 2612
Loc: N.Ohio
If you do not have soldering skills, replace radiator. If you have to pay someone to solder that old radiator, you might as well put it towards a new radiator. Don't leave it like that, excess coolant will spill out and air will be drawn back in when everything cools down. I would keep your neighbor away from it after seeing his solution to the problem (schmuck).


Edited by Lubener (07/16/17 01:17 PM)
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#4461168 - 07/16/17 07:08 PM Re: Coolant overflow tube connector broke off [Re: Chris142]
Merkava_4 Offline


Registered: 01/30/07
Posts: 17501
Loc: Clovis, CA
Originally Posted By: Chris142
we solder it back on.

Broadway Radiator & Air Conditioning Service

https://www.yelp.com/biz/broadway-radiat...ef=yelp-android


Is that anything like brazing? Do you use a filler rod and a flame torch?

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#4461366 - 07/17/17 12:56 AM Re: Coolant overflow tube connector broke off [Re: methusaleh]
Shannow Online   content


Registered: 12/12/02
Posts: 40184
Loc: 'Stralia
Originally Posted By: methusaleh
Thanks for all the replies. I am still considering options and ultimately need to discuss it with my wife. Doesn't look like something that will break the bank, though smile


I broke one years ago when I was all but broke.

I used fishing line and blue PVC glue (epoxy would have been better but used what was in the shed)."lashed" the spout into position with multiple wraps of fishing line, and blue glue.

It lasted ages, until I soldered it properly finally.

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#4480270 - 08/05/17 09:29 PM Re: Coolant overflow tube connector broke off [Re: Merkava_4]
Chris142 Offline


Registered: 06/05/03
Posts: 16970
Loc: Deplorable in apple valley, ca
Originally Posted By: Merkava_4
Originally Posted By: Chris142
we solder it back on.

Broadway Radiator & Air Conditioning Service

https://www.yelp.com/biz/broadway-radiat...ef=yelp-android


Is that anything like brazing? Do you use a filler rod and a flame torch?
40/60 solder,flux and a torch
_________________________
02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40

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