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Rootes75
Joined: 30 Apr 2013
Posts: 3816
Location: The Somerset Levels
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 Posted: Mon Jul 31, 2023 7:43 pm Post subject: Rad Weld |
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Anyone any recommendations on a suitable rad leak sealer?
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alastairq
Joined: 14 Oct 2016
Posts: 1954
Location: East Yorkshire
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| Posted: Mon Jul 31, 2023 8:19 pm Post subject: |
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I suppose Radweld works as effectively as many others?
Then there's this?
https://fernox.com/product/leak-sealer-f4-500ml/
Not as cheap as the auto leak sealers, but for older vehicles' with cooling systems which have materials not seen these days in cars, maybe more effective? [Including aluminium!!]
Obviously the Fernox stuff [for central heating systems] treats a far larger system than found in most cars, but I guess some proportionality should work?
The difference I suppose is that most auto leak sealers aren't intended to be 'permanent?'
Whereas the Fernox stuff is..
Rolls Royce purportedly used Fernox Alphi-11 antifreeze in their older vehicles....stuff made for central heating systems as well...
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Dellow Mk2, 1951 built, reg 1952.
Fiat 126 BIS
Cannon special [1996 registered. Built in 1950's]
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Ford Pop chassis, Ashley 1172 bodyshell, in pieces. |
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Rick
Site Admin
Joined: 27 Apr 2005
Posts: 22447
Location: UK
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consul 57
Joined: 09 Nov 2017
Posts: 487
Location: somerset
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| Posted: Tue Aug 01, 2023 6:54 pm Post subject: |
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| Rick wrote: | I've used K Seal and have had no problems.
RJ |
i have used it on several vehicles and it seemed to work well |
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Rootes75
Joined: 30 Apr 2013
Posts: 3816
Location: The Somerset Levels
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| Posted: Wed Aug 02, 2023 10:21 am Post subject: |
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Thanks chaps, I had a good look round yesterday and K Seal certainly has some very good reviews. I've ordered some and will gladly give it a go.
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Ray White
Joined: 02 Dec 2014
Posts: 6316
Location: Derby
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consul 57
Joined: 09 Nov 2017
Posts: 487
Location: somerset
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| Posted: Thu Aug 03, 2023 11:02 am Post subject: |
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i have used the egg method in my first consul when the rad was leaking, it worked for a while. |
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Ray White
Joined: 02 Dec 2014
Posts: 6316
Location: Derby
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| Posted: Thu Aug 03, 2023 11:39 am Post subject: |
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| consul 57 wrote: |
i have used the egg method in my first consul when the rad was leaking, it worked for a while. |
Apparently the trick is only to use the egg whites.
(That's an old yoke...  ) |
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consul 57
Joined: 09 Nov 2017
Posts: 487
Location: somerset
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| Posted: Thu Aug 03, 2023 3:32 pm Post subject: |
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| Ray White wrote: | | consul 57 wrote: |
i have used the egg method in my first consul when the rad was leaking, it worked for a while. |
Apparently the trick is only to use the egg whites.
(That's an old yoke... ) |
yes we only found out later! |
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alastairq
Joined: 14 Oct 2016
Posts: 1954
Location: East Yorkshire
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| Posted: Thu Aug 03, 2023 3:43 pm Post subject: |
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I recall shoving several of the 'dogs' doings' radiator sealers into the gaping maw of a Frazer Nash radiator, on a Land's End Trial {MCC] pre-this century...
The leaking stopped, but I cannot recall whether that was due to the sealers, or the engine simply running out of water?
Rendering such assistance [it was at Minehead rugby club halt]...showed me how incredibly skimpy these Nashes were....One didn't really get very much for one's money!
_________________
Dellow Mk2, 1951 built, reg 1952.
Fiat 126 BIS
Cannon special [1996 registered. Built in 1950's]
----------------------------------------------
Ford Pop chassis, Ashley 1172 bodyshell, in pieces. |
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Rootes75
Joined: 30 Apr 2013
Posts: 3816
Location: The Somerset Levels
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| Posted: Thu Aug 03, 2023 7:18 pm Post subject: |
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The K Seal has arrived and when I mentioned it to my Dad he said 'I've always used K Seal!!
Well you learn something new everyday!
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Rootes75
Joined: 30 Apr 2013
Posts: 3816
Location: The Somerset Levels
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| Posted: Tue Aug 29, 2023 1:49 pm Post subject: |
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So, yesterday we took the Commer to a fairly local show, bout 12 miles each way.
We noticed though that a white froth started leaking from the overflow pipe and at some points the froth started bubbling out the rad cap???
She didn't feel overly hot to touch and she certainly wasn't steaming.
Anyone experienced that after they've added Rad Weld?
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Ray White
Joined: 02 Dec 2014
Posts: 6316
Location: Derby
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| Posted: Tue Aug 29, 2023 2:43 pm Post subject: |
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| Rootes75 wrote: | So, yesterday we took the Commer to a fairly local show, bout 12 miles each way.
We noticed though that a white froth started leaking from the overflow pipe and at some points the froth started bubbling out the rad cap???
She didn't feel overly hot to touch and she certainly wasn't steaming.
Anyone experienced that after they've added Rad Weld? |
I think it is fairly common. I was advised to flush the rad to remove surplus chemical and refill with clean water / antifreeze mix and the foaming will disappear. The rad weld will have done it's job with the leak. Once sealed it can't do anything more so the surplus is not needed in the system. |
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Rootes75
Joined: 30 Apr 2013
Posts: 3816
Location: The Somerset Levels
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| Posted: Fri Sep 01, 2023 7:38 pm Post subject: |
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That's what we'll do now, flush it through and fill it up again and see how she goes.
Don't think we'll do anymore shows now, although there is a steam up at a local pub next weekend, aside from that we will now have plenty of time for tinkering.
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