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enfield_dinosaur



Member Since: 14 Jun 2015
Location: Tertius orbis
Posts: 120
2007 Defender 110 Puma 2.4 SW Java Black
Hand brake light: flicker party
Folks,

I have to say, despite all rumors: my Defender has been very robust and reliable, as we're approaching 120,000 miles now. It was clearly the right choice to get one and I still love the old tin box a lot.

With higher mileage though, some gremlins are appearing. The latest is my handbrake warning light. Whenever I drive at an angle downhill, it starts to light up and flickers to my great annoyance.

My question for those who have some insight into the inner workings of the hand brake:

How does the handbrake mechanism work? Could driving at an angle affect a disengaged handbrake? Or is there a peculiarity of the sensor that might explain it?

Thanks - and the very best driving to you all!
Post #981199 4th Feb 2023 8:29am
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Scotm



Member Since: 28 Feb 2014
Location: Aberdeenshire
Posts: 671
Scotland 2012 Defender 110 Puma 2.2 SW Orkney Grey
It is also the brake fluid level warning light.
Post #981202 4th Feb 2023 8:42am
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enfield_dinosaur



Member Since: 14 Jun 2015
Location: Tertius orbis
Posts: 120
2007 Defender 110 Puma 2.4 SW Java Black
Oh - thanks!

Looks like a trip to the workshop, albeit not under its own power.
Post #981203 4th Feb 2023 9:16am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17527
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
It's probably nothing to worry about, just top up the brake fluid.

As the pads wear the fluid level in the reservoir drops a little. The sensor in the cap is very sensitive and when you go downhill or brake the fluid moves to the front of the reservoir away from the sensor, and of course braking lowers it more.

On my Def to prevent the effect you describe I need to keep the fluid level at the bottom of the reservoir neck, well above the "min" mark.
Post #981209 4th Feb 2023 10:05am
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kenzle8a



Member Since: 12 Feb 2020
Location: None
Posts: 1074
 
Mine did that, the contacts in then old switch were goosed. New one solved it.
Post #981213 4th Feb 2023 10:30am
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Crofter



Member Since: 19 Feb 2015
Location: Peterhead
Posts: 169
United Kingdom 2009 Defender 110 Puma 2.4 USW Baltic Blue
Scotm wrote:
It is also the brake fluid level warning light.


I had corroded brake pipe which caused that problem. Check the level.
Post #981247 4th Feb 2023 3:44pm
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