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Thoughts and opinions of Radweld?

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Gazz
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Joined: 19 May 2009
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PostPosted: 23:03 - 23 Apr 2021    Post subject: Thoughts and opinions of Radweld? Reply with quote
I have a leaky radiator.

Should I use this or not?
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F18
Renault 5 Driver



Joined: 04 Mar 2019
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PostPosted: 23:10 - 23 Apr 2021    Post subject: Reply with quote
Worth a try, I reckon.

I'd be reading the instructions carefully - no silicates etc. (most bikes) just to see if they suggest use/don't use.

Not effective against holes, but a bit leaky ...

After that - an ordinary (car) radiator repair place will do a good job.
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MCN
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Joined: 22 Jul 2015
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PostPosted: 01:00 - 24 Apr 2021    Post subject: Reply with quote
Bars Leaks works better than Radweld.

It's an American product but can be found in UK.

https://www.bighealey.co.uk/bars-leaks-135ml-ccht950
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xX-Alex-Xx
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PostPosted: 02:39 - 24 Apr 2021    Post subject: Reply with quote
Wouldn't touch it with a barge pole unless I was in the middle of nowhere and needed to get home. Fix it properly.
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Nobby the Bastard
Harley Gaydar



Joined: 16 Aug 2013
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PostPosted: 08:58 - 24 Apr 2021    Post subject: Reply with quote
Works reasonably well for the first year or two and then needs to be redone.
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pepperami
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PostPosted: 10:30 - 24 Apr 2021    Post subject: Reply with quote
xX-Alex-Xx wrote:
Wouldn't touch it with a barge pole unless I was in the middle of nowhere and needed to get home. Fix it properly.

This^ +1 .
My previous experience with it on car & van engines tells me to get the leak sorted.
Gummy, gunky, lumpy sh*te just waiting to get in the wrong places Folded arms Tut Tut .
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stevo123
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Joined: 10 Aug 2004
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PostPosted: 21:56 - 25 Apr 2021    Post subject: Reply with quote
Avoid, can cause issues in future. best to just fix the problem properly
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mentalboy
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Joined: 05 May 2012
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PostPosted: 20:27 - 27 Apr 2021    Post subject: Reply with quote
Egg whites are cheaper than the chemical muck.
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Polarbear
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PostPosted: 22:17 - 27 Apr 2021    Post subject: Reply with quote
mentalboy wrote:
Egg whites are cheaper than the chemical muck.


Taste better as well. Keep your engine well fed and happy. Thumbs Up
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MCN
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Joined: 22 Jul 2015
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PostPosted: 23:26 - 27 Apr 2021    Post subject: Reply with quote
mentalboy wrote:
Egg whites are cheaper than the chemical muck.


Egg whites is a temporary fix that usually becomes a disaster as it needs a lot of hens on the job and for the whites to be well mixed with the water.
And then the time taken to cook them.
Constantly topping up using another big of the mix until the mix in the engine cooks.

It will get you out of a bind.

Proprietary products are a bit better and simpler to use.
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mentalboy
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Joined: 05 May 2012
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PostPosted: 00:09 - 28 Apr 2021    Post subject: Reply with quote
MCN wrote:
mentalboy wrote:
Egg whites are cheaper than the chemical muck.


Egg whites is a temporary fix that usually becomes a disaster as it needs a lot of hens on the job and for the whites to be well mixed with the water.
And then the time taken to cook them.
Constantly topping up using another big of the mix until the mix in the engine cooks.

It will get you out of a bind.

Proprietary products are a bit better and simpler to use.


Call me old fashioned but I consider Radweld, Barrs and eggs all temporary fixes intended as nothing more than to get one out of a bind, the preferable route is to fix the problem with non-leaky parts and avoid gumming up with crap a fairly important operational part of one's engine.
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MCN
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PostPosted: 01:15 - 28 Apr 2021    Post subject: Reply with quote
mentalboy wrote:


Call me old fashioned but I consider Radweld, Barrs and eggs all temporary fixes intended as nothing more than to get one out of a bind, the preferable route is to fix the problem with non-leaky parts and avoid gumming up with crap a fairly important operational part of one's engine.


Dear Old Fashioned, I've used them all for years.

Egg doesn't work as well as proprietary stuff. I've only used it when stuck in a desert.
Pepper is probably the worst Old Wife's Tale. (Desert use too)

Radweld works, but can be difficult to get it to work if you are unsure of how it works. Doesn't gum or plug unless not used properly as it stays in solution.

Bars in my experience, work very well. Easy to use and doesn't plug if used properly.

These are all temporary. But since a few products remain in solution they offer a longer term short'term fix.

But ultimately, radiators normally fail when worn.
Even a soldered fix, if possible, only holds until the next hole.

Epoxy repairs etc, same.

I've fitted hundreds of radiators. Wink
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A100man
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Joined: 19 Aug 2013
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PostPosted: 11:59 - 28 Apr 2021    Post subject: Re: Thoughts and opinions of Radweld? Reply with quote
Gazz wrote:
I have a leaky radiator.

Should I use this or not?


Depends on the bike to some (a large) extent.. Age, value, your commitment to it (bodge for quick sale) etc..
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MCN
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Joined: 22 Jul 2015
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PostPosted: 14:26 - 28 Apr 2021    Post subject: Re: Thoughts and opinions of Radweld? Reply with quote
A100man wrote:
(bodge for quick sale) etc..


I like your thinking. Cool
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DUCAUDI
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Joined: 17 May 2019
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PostPosted: 23:18 - 28 Apr 2021    Post subject: Reply with quote
Surprised nobody has recommended using one of these:
https://www.cadburygiftsdirect.co.uk/media/catalog/product/cache/d781fed7f79dc069f26dcbeb98b1f140/c/c/cce_19_single.jpg

Tried Radweld numberous times on cars (and other similar branded products), all work fine as a temp fix on radiators and split hoses but despite claims on the back of the packaging have never had any success with head gaskets. I found Abro to be the best of the bunch but required the system to be drained and refilled with fresh water as it doesn't work with coolant in the system. More agro than its worth as Radweld seems to do a decent enough job. So yeah, just to echo what everyone else has said ok for a temp fix but a replacement rad shouldn't be too expensive or difficult to fit?
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MCN
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Joined: 22 Jul 2015
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PostPosted: 15:16 - 29 Apr 2021    Post subject: Reply with quote
TravisBickle wrote:
Surprised nobody has recommended using one of these:
https://www.cadburygiftsdirect.co.uk/media/catalog/product/cache/d781fed7f79dc069f26dcbeb98b1f140/c/c/cce_19_single.jpg

Tried Radweld numberous times on cars (and other similar branded products), all work fine as a temp fix on radiators and split hoses but despite claims on the back of the packaging have never had any success with head gaskets. I found Abro to be the best of the bunch but required the system to be drained and refilled with fresh water as it doesn't work with coolant in the system. More agro than its worth as Radweld seems to do a decent enough job. So yeah, just to echo what everyone else has said ok for a temp fix but a replacement rad shouldn't be too expensive or difficult to fit?


Replacement Rad for my K1300. £500.

You like Bavarian apples don't you?
Very Happy

Impossible to find non-OEM for these bastirts so I had to by from the Bosch. Sad
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DUCAUDI
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Joined: 17 May 2019
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PostPosted: 18:10 - 29 Apr 2021    Post subject: Reply with quote
Still, £500 for a genuine rad. They're not small items. Ok so the cost is not inconsequential but it's fair for the product I think. Unlike the genuine Ford heated wing mirrors on my old Mk6 Tourneo which were in excess of £70 just for the glass, not the whole assembly! Then the new Custom model came out and they were only £17 genuine from the dealer. WTF?
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mentalboy
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Joined: 05 May 2012
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PostPosted: 00:44 - 01 May 2021    Post subject: Reply with quote
MCN wrote:
mentalboy wrote:


Call me old fashioned but I consider Radweld, Barrs and eggs all temporary fixes intended as nothing more than to get one out of a bind, the preferable route is to fix the problem with non-leaky parts and avoid gumming up with crap a fairly important operational part of one's engine.


Dear Old Fashioned, I've used them all for years.

Egg doesn't work as well as proprietary stuff. I've only used it when stuck in a desert.
Pepper is probably the worst Old Wife's Tale. (Desert use too)

Radweld works, but can be difficult to get it to work if you are unsure of how it works. Doesn't gum or plug unless not used properly as it stays in solution.

Bars in my experience, work very well. Easy to use and doesn't plug if used properly.

These are all temporary. But since a few products remain in solution they offer a longer term short'term fix.

But ultimately, radiators normally fail when worn.
Even a soldered fix, if possible, only holds until the next hole.

Epoxy repairs etc, same.

I've fitted hundreds of radiators. Wink


Should I be thanking you for expanding on my post and resetting it as a short essay? Confused Laughing
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bugeye_bob
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Joined: 05 Sep 2013
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PostPosted: 01:28 - 01 May 2021    Post subject: Reply with quote
Shite bodge, Its the stuff someone uses to sell a car/van on with an issue,
Do the job right , it may be a pita at times, but it will work and last and not cause further issues later.
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MCN
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Joined: 22 Jul 2015
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PostPosted: 14:54 - 01 May 2021    Post subject: Reply with quote
mentalboy wrote:


Should I be thanking you for expanding on my post and resetting it as a short essay? Confused Laughing


You are welcome Sir. Very Happy
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