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Coolant Reservoir Clean

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John&Luke
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Coolant Reservoir Clean

Postby John&Luke » Mon Sep 18, 2017 11:12 pm

My OEM coolant reservoir had a nasty rust coloured stain all around the inside from twenty + years of service. Whilst this is just a surface coating on the inside of the plastic reservoir the reservoirs shape and small access make it almost impossible to clean effectively with a rag/bush.

My solution that worked really well tonight was to dissolve a dishwasher table in about 2 cups of boiling water and then add as many old ball bearings (ideally different sizes) you can lay your hands on. Gently swirl/shake the reservoir (take care that you dont burn yourself or let the liquid spray anywhere) making the ball bearings move all around the inside of the reservoir. Approx 15 minutes of swirling resulted in dissolving/removing all the old rust stains.

Empty the reservoir making sure all the bearings have been removed, rinse and hey presto, looks as good as new :-D
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Mazda Mender
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Re: Coolant Reservoir Clean

Postby Mazda Mender » Tue Sep 19, 2017 6:42 am

:handgestures-thumbup:
M-m
The Disclaimer:-
This post is a natural product made from recycled electrons. The slight variations in spelling and grammar enhance its individual character and beauty and in no way are to be considered flaws or defects, the articles/answers/comments are provided for information purposes and they are not intended to substitute informed professional advice, I or mazdamenders.net cannot personally be hold responsible for any damage occurred from following this procedure or any injuries from it. Proceed at your own risk.


Mk 1 Eunos 93 black V.S II 1.8 fettling,
Mk 2 .1/4 Roadster 99 black & gold V.S 1.8 being rebuilt,
Mk 1 Eunos 90 1.6 (claimed by daughter)
Mk 1 Eunos 96 1.8 blue B2...being fettled
Mk1 Eunos 93 1.6 black S special **gone**
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Ricolas
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Re: RE: Re: Coolant Reservoir Clean

Postby Ricolas » Wed Sep 20, 2017 7:19 am

Mazda Mender wrote::handgestures-thumbup:
M-m
Brilliant.

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storm
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Re: Coolant Reservoir Clean

Postby storm » Sun Oct 29, 2017 11:53 pm

A few members have used jetwashes to clean them. I ended up using various bottle brushes and lots and lots of detergent.

Must say your idea is smarter than mine. Its also similar to how we clean loose rust from our old aircooled VW fuel tanks before relining the tanks. :handgestures-thumbup:
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Mazda Mender
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Re: Coolant Reservoir Clean

Postby Mazda Mender » Mon Oct 30, 2017 1:08 am

I use Acid...leave it standing...and just give it a good shake now and then...


The crap is rust...rust is iron/metal......acid eats metal ;0).
M-m
The Disclaimer:-
This post is a natural product made from recycled electrons. The slight variations in spelling and grammar enhance its individual character and beauty and in no way are to be considered flaws or defects, the articles/answers/comments are provided for information purposes and they are not intended to substitute informed professional advice, I or mazdamenders.net cannot personally be hold responsible for any damage occurred from following this procedure or any injuries from it. Proceed at your own risk.


Mk 1 Eunos 93 black V.S II 1.8 fettling,
Mk 2 .1/4 Roadster 99 black & gold V.S 1.8 being rebuilt,
Mk 1 Eunos 90 1.6 (claimed by daughter)
Mk 1 Eunos 96 1.8 blue B2...being fettled
Mk1 Eunos 93 1.6 black S special **gone**
http://www.mx5oc.co.uk/ http://www.mx5nutz.com/forum/ http://miata.net/ http://www.autolinkuk.co.uk/

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