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Leaking brake fluid #726322
01/12/21 06:26 PM
01/12/21 06:26 PM
Joined: Oct 2021
Posts: 16
Glasgow, Scotland
M3W Glasgow Offline OP
New to Talk Morgan
M3W Glasgow  Offline OP
New to Talk Morgan

Joined: Oct 2021
Posts: 16
Glasgow, Scotland
My new to me 2017 M3W has some leak from the brake fluid reservoir.

At the beginning I thought it is because the reservoir was over-filled. I took some of the brake fluid out and the level is now below the max mark. I also tightened the hose clamps but it still leaks.

It appears the leak is coming at the cap area. I checked the cap and it appear ok and well tightened with healthy looking rubber seal.

Any suggestions please?


I am not sure if this is of any help but the red brake warning light comes for a a few seconds when doing "hard" right-hand cornering (and fast driving in roundabouts), This red warning brake light does not come on left-hand cornering).

Thank you

Ahmed


M3W: 2017 green
Caterham: 2003 yellow
Evora 400: 2016 black
SL500: 2005 blue
HD Breakout: 2020 red
Re: Leaking brake fluid [Re: M3W Glasgow] #726325
01/12/21 06:41 PM
01/12/21 06:41 PM
Joined: Jun 2012
Posts: 1,818
United Kingdom, Lincolnshire
planenut Offline
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planenut  Offline
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Joined: Jun 2012
Posts: 1,818
United Kingdom, Lincolnshire

The brake warning is because the fluid level is low and you are cornering. It shouldn't be too tricky to clean everything off and see where the leak is from and fix it.

Re: Leaking brake fluid [Re: M3W Glasgow] #726329
01/12/21 07:08 PM
01/12/21 07:08 PM
Joined: Oct 2021
Posts: 16
Glasgow, Scotland
M3W Glasgow Offline OP
New to Talk Morgan
M3W Glasgow  Offline OP
New to Talk Morgan

Joined: Oct 2021
Posts: 16
Glasgow, Scotland
The fluid level is just a couple of millimetres below the max level. So it's not really low.

The fluid is seen dripping at the lower rim of the cap (see pic please). So possibly it is coming through the reservoir opening. ie not tight cap.

[img]https://photos.app.goo.gl/eVUiUtTiUKA33dmQ6[/img]


M3W: 2017 green
Caterham: 2003 yellow
Evora 400: 2016 black
SL500: 2005 blue
HD Breakout: 2020 red
Re: Leaking brake fluid [Re: M3W Glasgow] #726330
01/12/21 07:09 PM
01/12/21 07:09 PM
Joined: Oct 2021
Posts: 16
Glasgow, Scotland
M3W Glasgow Offline OP
New to Talk Morgan
M3W Glasgow  Offline OP
New to Talk Morgan

Joined: Oct 2021
Posts: 16
Glasgow, Scotland
Is this brake fluid leak a common thing in Morgan? (i see the plus 4 uses the same brake fluid reservoir)


M3W: 2017 green
Caterham: 2003 yellow
Evora 400: 2016 black
SL500: 2005 blue
HD Breakout: 2020 red
Re: Leaking brake fluid [Re: M3W Glasgow] #726333
01/12/21 07:52 PM
01/12/21 07:52 PM
Joined: Nov 2015
Posts: 4,373
Northern Capital of Cool
CooperMan Offline
Just barreling along
CooperMan  Offline
Just barreling along
Part of the Furniture

Joined: Nov 2015
Posts: 4,373
Northern Capital of Cool
Have you checked the previous owner has not lost the sealing washer in the cap ? It's a flat black rubber washer


Jon M
Re: Leaking brake fluid [Re: M3W Glasgow] #726348
02/12/21 12:35 AM
02/12/21 12:35 AM
Joined: Oct 2021
Posts: 16
Glasgow, Scotland
M3W Glasgow Offline OP
New to Talk Morgan
M3W Glasgow  Offline OP
New to Talk Morgan

Joined: Oct 2021
Posts: 16
Glasgow, Scotland
I don't know how it is supposed to look like but here is a pic of the inside of the cap.

[img]https://photos.app.goo.gl/wzZP5wRS5gmih5Qb9[/img]


M3W: 2017 green
Caterham: 2003 yellow
Evora 400: 2016 black
SL500: 2005 blue
HD Breakout: 2020 red
Re: Leaking brake fluid [Re: M3W Glasgow] #726350
02/12/21 01:01 AM
02/12/21 01:01 AM
Joined: Feb 2018
Posts: 582
SW Iowa, U.S.A.
Bitsobrits Offline
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Bitsobrits  Offline
Talk Morgan Regular

Joined: Feb 2018
Posts: 582
SW Iowa, U.S.A.
Make sure the tiny vent hole in the cap is not plugged so the reservoir can breathe.


Steve
Late 2012 M3W




Re: Leaking brake fluid [Re: M3W Glasgow] #726352
02/12/21 01:11 AM
02/12/21 01:11 AM
Joined: Oct 2021
Posts: 16
Glasgow, Scotland
M3W Glasgow Offline OP
New to Talk Morgan
M3W Glasgow  Offline OP
New to Talk Morgan

Joined: Oct 2021
Posts: 16
Glasgow, Scotland
Errmm, I don't know where the hole is confused2


M3W: 2017 green
Caterham: 2003 yellow
Evora 400: 2016 black
SL500: 2005 blue
HD Breakout: 2020 red
Re: Leaking brake fluid [Re: M3W Glasgow] #726353
02/12/21 01:18 AM
02/12/21 01:18 AM
Joined: Oct 2021
Posts: 16
Glasgow, Scotland
M3W Glasgow Offline OP
New to Talk Morgan
M3W Glasgow  Offline OP
New to Talk Morgan

Joined: Oct 2021
Posts: 16
Glasgow, Scotland
BTW, is there a better way to insert images. I looked at the "forum help" and it says the "image manager" link will allow me to navigate files on my pc and attach. This is not working with me confused2


M3W: 2017 green
Caterham: 2003 yellow
Evora 400: 2016 black
SL500: 2005 blue
HD Breakout: 2020 red
Re: Leaking brake fluid [Re: M3W Glasgow] #726359
02/12/21 09:02 AM
02/12/21 09:02 AM
Joined: Oct 2008
Posts: 1,805
Kent
Alan Patterson Offline
Talk Morgan Enthusiast
Alan Patterson  Offline
Talk Morgan Enthusiast

Joined: Oct 2008
Posts: 1,805
Kent
Originally Posted by M3W Glasgow
BTW, is there a better way to insert images. I looked at the "forum help" and it says the "image manager" link will allow me to navigate files on my pc and attach. This is not working with me confused2

Follow this video for the best way to insert images into your posts.
Posting images to TM


Regards
Alan
AP08 MOG
2016 Plus 4 GDi - Mazda Soul Red Metallic
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