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Brake Warning Light: V8-250

classiclife
Posts: 373
Joined: Wed Sep 05, 2018 9:55 am
Location: Ridgewood - East Sussex
Contact:

Brake Warning Light: V8-250

Post by classiclife » Fri Nov 23, 2018 9:19 pm

Hello.

After having my car housed at a museum for a couple of months, it is now home. I should add that it was temporarily there due to no room "at the inn" and not for any other reason !!

One job that requiries investigating, is the brake warning light remains on at all times.

There is no issue with the mechanical side of the brakes and nor is the system leaking causing a drop in fluid; therefore I believe the problem is probably an electrical one. I have not yet tried to isolate the brake fluid reservoir electrics (the cap) to see if that proves / disproves the issue.

As such, have other owners experienced the issue as outlined above and if so what was the outcome ?? Any advice will certainly give me a head start.

Many thanks in advance.

Richard.
1968 Daimler V8-250 Saloon
DLOC East Sussex Area Representative.

Southern Classics Society Events Co-ordinator.
www.southernclassics.org.uk

Christopher Storey
Posts: 254
Joined: Wed Mar 16, 2016 6:40 pm
Location: Cheshire

Re: Brake Warning Light: V8-250

Post by Christopher Storey » Sat Nov 24, 2018 11:27 am

This is a common problem, and it usually results from the float ( which is often cork ) becoming saturated , causing it to float lower in the fluid than it should , thus closing the contacts . I have replaced mine with used wine corks with some success

Phillmore
Posts: 847
Joined: Sat Feb 13, 2016 1:25 pm
Location: Worcestershire Herefordshire border

Re: Brake Warning Light: V8-250

Post by Phillmore » Sat Nov 24, 2018 12:17 pm

Sounds like a good reason to open a bottle! :D
Andy

1954 Conquest Mk1, 1956 Conquest Mk2, 1957 Conquest Century Mk2, 1955 Austin A90 Westminster

classiclife
Posts: 373
Joined: Wed Sep 05, 2018 9:55 am
Location: Ridgewood - East Sussex
Contact:

Re: Brake Warning Light: V8-250

Post by classiclife » Sat Nov 24, 2018 12:38 pm

Thanks Chris, very useful to know - much appreciated.

Andy - I could not agree more !!

Cheers.

Richard,
1968 Daimler V8-250 Saloon
DLOC East Sussex Area Representative.

Southern Classics Society Events Co-ordinator.
www.southernclassics.org.uk

Pinto
Posts: 37
Joined: Sun Oct 09, 2016 8:25 am
Location: Sunshine Coast Queensland Australia

Re: Brake Warning Light: V8-250

Post by Pinto » Sun Nov 25, 2018 7:55 am

Hi
The other thing to consider is the hand brake. It uses the same light to tell that the hand brake is on. Might be worth checking the switch on the hand brake.
Regards,
David Bruce.

classiclife
Posts: 373
Joined: Wed Sep 05, 2018 9:55 am
Location: Ridgewood - East Sussex
Contact:

Re: Brake Warning Light: V8-250

Post by classiclife » Sun Nov 25, 2018 8:53 am

Thanks David,

I will certainly be looking at that.

Hopefully that can be ascertained quickly, by disconnecting the wires on the reservoir; if still on [light] then as you say that may well bring the h/brake in to play.

Regards.

Richard.
1968 Daimler V8-250 Saloon
DLOC East Sussex Area Representative.

Southern Classics Society Events Co-ordinator.
www.southernclassics.org.uk

classiclife
Posts: 373
Joined: Wed Sep 05, 2018 9:55 am
Location: Ridgewood - East Sussex
Contact:

Re: Brake Warning Light: V8-250

Post by classiclife » Tue Nov 27, 2018 5:50 pm

Hello,

Just thought I would provide an update.

Having isolated the brake reservoir wires, the warning light extinguished but came on when the h/brake was applied - as per earlier suggestions; thanks again. In essence good news as I can now deal with the brake fluid float and address accordingly.

As an aside, another "little job" today was to replace the temperture control valve. What a job that was - needless to say 1x of the the screws was a very big issue !! Ended up having to drill and retap the thread - luckily it was the top screw, the bottom one eventually gave in after some non-nonsense persuassion.

I will let you know how I resolve the brake fluid float issue and perhaps what the best bottle of wine is to do the job :D !!

Regards.

Richard.
1968 Daimler V8-250 Saloon
DLOC East Sussex Area Representative.

Southern Classics Society Events Co-ordinator.
www.southernclassics.org.uk

Clive
Posts: 15
Joined: Sat May 12, 2018 2:09 am
Location: Phoenix, USA

Re: Brake Warning Light: V8-250

Post by Clive » Tue Nov 27, 2018 10:55 pm

Richard,

I had to replace mine a few years back. I can't remember which one I went for, but I did have in hand both a real cork and a plastic cork. I think I had to slit it vertically to get it onto the wire.

Clive.

classiclife
Posts: 373
Joined: Wed Sep 05, 2018 9:55 am
Location: Ridgewood - East Sussex
Contact:

Re: Brake Warning Light: V8-250

Post by classiclife » Wed Nov 28, 2018 8:59 am

Thanks Clive, useful to know and appreciate the tip.

Regards.

Richard.
1968 Daimler V8-250 Saloon
DLOC East Sussex Area Representative.

Southern Classics Society Events Co-ordinator.
www.southernclassics.org.uk

Sydsmith
Posts: 790
Joined: Sun Feb 14, 2016 11:15 pm
Location: Aberystwyth Wales

Re: Brake Warning Light: V8-250

Post by Sydsmith » Wed Nov 28, 2018 9:35 am

FWIW, I would be inclined not to use a plastic "cork" as brake fluid attacks some plastics and it could contaminate the fluid. Similarly a natural cork would need to be of good quality to avoid any chance of it breaking up in use. Syd

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