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Greetings and welcome to menders, this site was built for every owner that might need her to help keep those bills low and also keep them on the road where they belong, she is run by very passionate enthusiasts owners for passionate enthusiastic owners, see her like a on line garage, there is a lot of tech stuff hopefully explained for everyone to use, if there is something you cannot get your head around, or you feel that there is a strong walk through guide missing that needs creating by one of us or from yourselves, please let us know, we are also on false book and youtube, which as short tech vids to help, and again if you feel there is a vid that would help please get it touch.
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And thank heavens that we are now on the way back up the brighter ,warmer longer days, "come on summer", and lets see those project builds.


M-m

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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1996 Mk1 Classic Red 1.6 sorted
1995 Mk 1 White 1.6 in need of TLC
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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 ,
Mk 2 .1/4 Roadster 99 black & gold V.S 1.8 .
Mk 1 Eunos 90 1.6 soul red ..f/ build
MK 2.1/4 Blue V.S Roadster 1.8 99 ..
MK1 1.8 ,white import.. (Ashleighs)
MK1 1.6 yellow J ltd import.f/build
MK 1 1.8 black Tokyo Ltd..f/build


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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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Ricolas
UK registered MX5 1991 Mariner Blue pretty much all original!

Beckenham, Kent
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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:
1. A car is only worth what someone is willing to pay for it, 2. Resale wont save your life in an accident, 3. Genius has limits, stupidity has none, 4. Never argue with an idiot, they will bring you down to their level & beat you with experience, 5. Growing old beats the alternative -- dying young!
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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 ,
Mk 2 .1/4 Roadster 99 black & gold V.S 1.8 .
Mk 1 Eunos 90 1.6 soul red ..f/ build
MK 2.1/4 Blue V.S Roadster 1.8 99 ..
MK1 1.8 ,white import.. (Ashleighs)
MK1 1.6 yellow J ltd import.f/build
MK 1 1.8 black Tokyo Ltd..f/build


http://www.mx5oc.co.uk/ http://www.mx5nutz.com/forum/ http://miata.net/ http://www.autolinkuk.co.uk/
EunosPilot
Just Run In
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Re: Coolant Reservoir Clean

Postby EunosPilot » Sat Mar 31, 2018 11:12 pm

I used normal rice and some water. Shake vigorously and the rice grains get into all the corners and are hard enough to scrub off any crap. Just make sure to rinse well afterwards.

I have done this once with mine ( due to the brown coloured sludge masquerading as coolant ) and it came out well .

Will be doing it again this week, as my green coolant has gone brown again. :-( Just can't get rid of the rust from the engine block, which seems to stick to the inside of this reservoir .
Eunos Roadster Auto ( 92 )

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