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Author Subject: rad weld to fix matrix???
swiftyboi006

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Post #1
has anyone done this and can it be done?

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Posted 25th Aug 2012 at 22:06
Matt_rallye

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Post #2
Don't. Just don't. Radweld clogs everything up, it wouldn't be worth it as you will have to replace pipes when it's all clogged and starts cooking itself as it slows the stem of flow
Posted 25th Aug 2012 at 22:30
JWP EFi

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Post #3
ive tried rad weld years ago to try and fix matrix but it didnt work, however you can buy stuff

called K seal, i know someone who had a BMW 520 with a blown head gasket and it worked!

Not a permanent or ideal fix imo
Posted 25th Aug 2012 at 22:33
swiftyboi006

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Post #4
not even worth a try then...........i really really really dont want to take the dash out Sad

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Posted 25th Aug 2012 at 22:33
bigbadbowen

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Post #5
As said just replace the matrix Yes

Real arse of a job Yes
Posted 25th Aug 2012 at 22:34
JWP EFi

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Post #6
Matt_rallye wrote:
Don't. Just don't. Radweld clogs everything up, it wouldn't be worth it as you will have to replace pipes when it's all clogged and starts cooking itself as it slows the stem of flow


...yes your right, it does clog pipes etc up,
Posted 25th Aug 2012 at 22:34
swiftyboi006

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Post #7
Sad

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Posted 25th Aug 2012 at 22:46
owain

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Post #8
Only ever heard bad things also, no choice buy to have it all out I'm afraid.

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Posted 25th Aug 2012 at 22:46
Matt_rallye

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Post #9
Worth replacing the matrix really, it's not the much of an arse. Once it's out it's just a case of putti g it back in Laugh my ass off:
Posted 25th Aug 2012 at 22:46
barnettjd77

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Post #10
Oh crap looks like i'll have troubles one day then as a bottle or radweld was put in my water system LOL

Though it did sort it Thumbs up

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Posted 25th Aug 2012 at 22:47
JWP EFi

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Post #11
barnettjd77 wrote:
Oh crap looks like i'll have troubles one day then as a bottle or radweld was put in my water system LOL

Though it did sort it Thumbs up


but for how long? plus you'll have more than a matrix to change. That stuff is more hassle than what its worth
Posted 25th Aug 2012 at 22:51
JWP EFi

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Post #12
if your leaking water to the inside of the car you could just bypass the matrix for time being, least

that way you can still use the car until you decide to pull the dash out
Posted 25th Aug 2012 at 22:58
barnettjd77

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Post #13
God know's how long for but been alright for 3/4 months so far LOL

Hmm yeah i will get a new radiator soon it is looking pretty shook.

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Posted 25th Aug 2012 at 23:01
miles

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Post #14
It can work, I used some ceramic seal in a Xsara I got for my Dad to round around in, Not worth changing the Matrix in that 8 months down the line all is good

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Posted 25th Aug 2012 at 23:08
swiftyboi006

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Post #15
Now im very unsure what to do

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Posted 26th Aug 2012 at 08:58
Matt_rallye

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Post #16
IMO I wouldn't bypass the matrix, it won't get the cooling it needs and can cause some major heating issues. The cooling system needs the matrix there to get a full cycle and effectively cool the engine. You bipass one part of it and it losses it's effectiveness and can lead to extremely hot engine and cooked head
Posted 26th Aug 2012 at 09:04
stan_306gti6 Forum Admin

Location: Kent

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Post #17
My advice, don't use rad weld...

As said it will cause more damage in the long run even if it solves your current problem. Yes
Just change the matrix and all will be well. Thumbs up

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Posted 26th Aug 2012 at 09:38
dangti6

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Post #18
Don't be a lazy bodger.

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  • Posted 26th Aug 2012 at 09:40
    welshpug!

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    Post #19
    Matt_rallye wrote:
    IMO I wouldn't bypass the matrix, it won't get the cooling it needs and can cause some major heating issues. The cooling system needs the matrix there to get a full cycle and effectively cool the engine. You bipass one part of it and it losses it's effectiveness and can lead to extremely hot engine and cooked head



    bo***cks im afraid, if you dont use the heat for warming the air in the cabin it will not be any cooler as it returns to the thermostat housing, it will not cook your engine.

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    Posted 26th Aug 2012 at 09:58
    coskev

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    Post #20
    welshpug! wrote:
    Matt_rallye wrote:
    IMO I wouldn't bypass the matrix, it won't get the cooling it needs and can cause some major heating issues. The cooling system needs the matrix there to get a full cycle and effectively cool the engine. You bipass one part of it and it losses it's effectiveness and can lead to extremely hot engine and cooked head



    bo***cks im afraid, if you dont use the heat for warming the air in the cabin it will not be any cooler as it returns to the thermostat housing, it will not cook your engine.


    SecondedThumbs up

    Load of tosh that!!!!LOL

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    Posted 26th Aug 2012 at 10:14
    owain

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    Post #21
    welshpug! wrote:
    bo***cks im afraid, if you dont use the heat for warming the air in the cabin it will not be any cooler as it returns to the thermostat housing, it will not cook your engine.


    True dat, it's only the same as setting your air fully to cold. You're right in that you *can* use your matrix as a heat dump if the engine started to get warm, but not having a matrix will be fine.

    Until winter, when you'll die.

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    Posted 26th Aug 2012 at 10:15
    sarahsix

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    Post #22
    Yeah, have fun scraping ice off the inside of your windscreen in the winter! The matrix went in my first car, 1.4 306. Absolute nightmare in the winter...get it fixed Smile

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    Posted 26th Aug 2012 at 10:38
    owain

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    Post #23
    sarahsix wrote:
    Yeah, have fun scraping ice off the inside of your windscreen nostrils in the winter


    FTFY Thumbs up

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    Posted 26th Aug 2012 at 10:41
    stan_306gti6 Forum Admin

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    Post #24
    Matt_rallye wrote:
    IMO I wouldn't bypass the matrix, it won't get the cooling it needs and can cause some major heating issues. The cooling system needs the matrix there to get a full cycle and effectively cool the engine. You bipass one part of it and it losses it's effectiveness and can lead to extremely hot engine and cooked head


    Where did you get this information from?! Dunno

    In the early days, heating in a car used to be an optional extra when you purchased the vehicle. Yes

    What happened to all those people who chose to go without, did their engines all boil themselves? LOL

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    Posted 26th Aug 2012 at 11:50
    swiftyboi006

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    Post #25
    The car is only for weekend fun so i mat just bypass the matrix, i would never have imagined that doing so my engine will overheat thats just rediculous. Its not like i need to wake up every winters morning and drive to work i have a lorry Smile thanks for all the sugestions Thumbs up

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    Posted 26th Aug 2012 at 12:27

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