Stage One Kit Fitted
Posted 17 May 2021 - 09:40 AM
I have now my third hydraulic brake light switch, and afther a small year of working, it now only works when i do an emergency brake. So with a normal drive with some braking for the corners, no brake light comes on.
Not that save i think.
Since this is my third one, and all the onces before this just stoped working completly, what is wrong with those things?
Does someone here know more about this? Or do i install them wrong?
One Carb Or Two?
Posted 17 May 2021 - 09:53 AM
Have you tried adjusting it?
Some of the plastic switches are of very poor quality.
This has been covered, before, but I don't have access to those pages, at present.
These two links will get you to better quality switches.
https://www.eurocarp...E/?promo=BANK70
https://uk.rs-online...itches/1036252/
Finally, can I ask, when you fitted the previous switch, did you just fit it, or did you fit it and adjust it until the brakelight came on as soon as the pedal moved? The reason I ask is, if the brakelight switch is set to come on only after the pedal is reaching its full travel, the switch will fail quite quickly, because it is effectively working as a pedal stop.
..is NOT a girl!
Posted 17 May 2021 - 09:54 AM
I can't see how you could install one incorrectly. The most likely cause I can think of is an internal seal has failed so pressure is equalising & nothing is moving. Unless you're using some exotic brake fluid it doesn't like, it's more duff manufacturing 
Mini Mad
Posted 17 May 2021 - 09:55 AM
What's the year of the mini? Also have the brakes been bled.
..is NOT a girl!
Posted 17 May 2021 - 09:58 AM
Have you tried adjusting it?
Some of the plastic switches are of very poor quality.
This has been covered, before, but I don't have access to those pages, at present.
These two links will get you to better quality switches.
https://www.eurocarp...E/?promo=BANK70
https://uk.rs-online...itches/1036252/
Finally, can I ask, when you fitted the previous switch, did you just fit it, or did you fit it and adjust it until the brakelight came on as soon as the pedal moved? The reason I ask is, if the brakelight switch is set to come on only after the pedal is reaching its full travel, the switch will fail quite quickly, because it is effectively working as a pedal stop.
It's type of switch that goes on top of the banjo union I think, but converting to that type could be a solution.
Up Into Fourth
Posted 17 May 2021 - 10:22 AM
Stage One Kit Fitted
Posted 17 May 2021 - 11:09 AM
Have you tried adjusting it?
Some of the plastic switches are of very poor quality.
This has been covered, before, but I don't have access to those pages, at present.
These two links will get you to better quality switches.
https://www.eurocarp...E/?promo=BANK70
https://uk.rs-online...itches/1036252/
Finally, can I ask, when you fitted the previous switch, did you just fit it, or did you fit it and adjust it until the brakelight came on as soon as the pedal moved? The reason I ask is, if the brakelight switch is set to come on only after the pedal is reaching its full travel, the switch will fail quite quickly, because it is effectively working as a pedal stop.
That the later non hydraulic type. I think that setup is a bet better, but it does not fit on my car at the moment.
Stage One Kit Fitted
Posted 17 May 2021 - 11:10 AM
I can't see how you could install one incorrectly. The most likely cause I can think of is an internal seal has failed so pressure is equalising & nothing is moving. Unless you're using some exotic brake fluid it doesn't like, it's more duff manufacturing
I use silicone brake fluid, mabye it does not like that?
Stage One Kit Fitted
Posted 17 May 2021 - 11:14 AM
What's the year of the mini? Also have the brakes been bled.
This is for my Midas, the brakes have been bleed indeed. Can air be trapped in the switch?
Moved Into The Garage
Posted 17 May 2021 - 12:21 PM
I can't see how you could install one incorrectly. The most likely cause I can think of is an internal seal has failed so pressure is equalising & nothing is moving. Unless you're using some exotic brake fluid it doesn't like, it's more duff manufacturing
I use silicone brake fluid, mabye it does not like that?
The current hydraulic switches aren't much good at the best of times, but Silicon Fluid kills them off quick smart.
Hella have a good quality Switch, but being Hella, not cheap. Hella P/N 4565.
Moved Into The Garage
Posted 17 May 2021 - 12:23 PM
I can't see how you could install one incorrectly. The most likely cause I can think of is an internal seal has failed so pressure is equalising & nothing is moving. Unless you're using some exotic brake fluid it doesn't like, it's more duff manufacturing
I use silicone brake fluid, mabye it does not like that?
Arg why? Even the orgainsation that commissioned it is trying to get off it. One of my pet peeves that and waterless coolant.
Stage One Kit Fitted
Posted 17 May 2021 - 12:56 PM
I can't see how you could install one incorrectly. The most likely cause I can think of is an internal seal has failed so pressure is equalising & nothing is moving. Unless you're using some exotic brake fluid it doesn't like, it's more duff manufacturing
I use silicone brake fluid, mabye it does not like that?
Arg why? Even the orgainsation that commissioned it is trying to get off it. One of my pet peeves that and waterless coolant.
Well, we got good experience with it. It has a lot of advantages.
Stage One Kit Fitted
Posted 17 May 2021 - 01:22 PM
I can't see how you could install one incorrectly. The most likely cause I can think of is an internal seal has failed so pressure is equalising & nothing is moving. Unless you're using some exotic brake fluid it doesn't like, it's more duff manufacturing
I use silicone brake fluid, mabye it does not like that?
The current hydraulic switches aren't much good at the best of times, but Silicon Fluid kills them off quick smart.
Hella have a good quality Switch, but being Hella, not cheap. Hella P/N 4565.
That's indeed a whole other price tag!
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