Hi All, just wondering if any of you lovely people can help? I have an odd problem. I keep getting a leak from the passenger side brake fluid bottle on my 1966 S1. What happens is that the fluid from the driver's side seems to travel to the passenger side botte after a few drives. So the driver's side level lowers and the passenger side bottle fills. I have to take a syringe and transfer it back. I think the leak is caused by the passenger side bottle overfilling and forcing its way out of the top. Has anyone heard of this before?
Many thanks. Ray
Brake Fluid
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rayloud@outlook.com
Topic author - Posts: 26
- Joined: Mon Nov 08, 2021 11:09 am
- Location: Hertfordshire

#2 Re: Brake Fluid
A search of the forum will show threads on this. Usually I believe associated with problems in the cylinder affixed to the servo.
Assume the the total volume of fluid doesn’t change- just transfers ?
Assume the the total volume of fluid doesn’t change- just transfers ?
Series 1 FHC purchased 50 years ago. Courted my wife in it.
Series 1 2+2 when the kids were small now sold.
Series 1.5 OTS in opalescent maroon, Californian car. My retirement present.
Series 1 2+2 when the kids were small now sold.
Series 1.5 OTS in opalescent maroon, Californian car. My retirement present.
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rayloud@outlook.com
Topic author - Posts: 26
- Joined: Mon Nov 08, 2021 11:09 am
- Location: Hertfordshire

#3 Re: Brake Fluid
Hi Tim
Many thanks. What search words will bring up those links? Ray
Many thanks. What search words will bring up those links? Ray
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Gfhug
- Posts: 3747
- Joined: Thu Jun 19, 2014 3:08 pm
- Location: Near Andover, Hampshire,in D.O. Blighty

#4 Re: Brake Fluid
Try searching for “servo” then search the results for “transfer”.
You will find results that talk about fluid transfer within the servo which gives the problem you have.
That’s a first try and I got useful topics to look at. Then look at any associated topics listed below each of those topics (as you can see below this one) to see if there’s anything in them to help.
Geoff
You will find results that talk about fluid transfer within the servo which gives the problem you have.
That’s a first try and I got useful topics to look at. Then look at any associated topics listed below each of those topics (as you can see below this one) to see if there’s anything in them to help.
Geoff
S2 FHC Light Blue
S2 OTS LHD - RHD full restoration
S2 OTS LHD - RHD full restoration
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#5 Re: Brake Fluid
Have a look here viewtopic.php?f=3&t=6513&p=46687&hilit= ... fer#p46687
Steve
69 S2 2+2 (sold) ..Realm C type replica, 1960 xk150fhc
69 S2 2+2 (sold) ..Realm C type replica, 1960 xk150fhc
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