lol to the goldslip

talking of sensors I assume a wheel speed sensor would be the most affected by copperslip

plus great point for example a winters day where it’s snowing along with salt on the road eating away at the aluminium
Again, I don't see how a wheel speed sensor could even get its electrical bit in contact with anything like copaslip. Basically it is a magnet attached to two wires. When the reluctor wheel spins close to it it induces a tiny electric current, the Hall effect, and this gets passed down the wires to the ECU to work out how it is spinning in relation to all the others to work out speed etc. It is held onto the hub with a small bolt, I think, and sits in an O ring. So to get copaslip on it you'd have to smear it up inside the sensor and even then I bet it'd still work!

But I am no elelctrickery person so this may all be BS.
 
Again, I don't see how a wheel speed sensor could even get its electrical bit in contact with anything like copaslip. Basically it is a magnet attached to two wires. When the reluctor wheel spins close to it it induces a tiny electric current, the Hall effect, and this gets passed down the wires to the ECU to work out how it is spinning in relation to all the others to work out speed etc. It is held onto the hub with a small bolt, I think, and sits in an O ring. So to get copaslip on it you'd have to smear it up inside the sensor and even then I bet it'd still work!

But I am no elelctrickery person so this may all be BS.
Pretty good overview, the main point which you highlight is that the copper grease will never come into contact with the “electrickery“ part of the sensor. No comment about any corrosion issues, but all dissimilar metals in contact will corrode more than in isolation.

Cheers
 
So my new brake kit arrived , this was after a lot of research and reviews etc

At the end of the day I wished to at least try for myself drilled and grooved discs, really pleased with the quality , fingers crossed the days of hairline cracks have gone, went with terrafirma along with there ceramic brake pads , calipers , fitting kit , new pins and wear sensors

will have to get them fitted as there’s no way I can lift the discs let alone get the wheels off, front disc weighs 21 lbs , rears 16 lbs , few pics as well of the new brakes

as always a massive thks for the fantastic help , hopefully this will help others in the future , will take some more pics when there fitted , more than likely mid sep


quote from there web site

Terrafirma brake discs offer increased bite from cold, and excellent fade resistance in most 4wd Braking applications. Whether its a steep rocky decent, ploughing through mud and water or just daily driving these brake discs will give excellent stopping performance in all conditions. Quality machining to high tolerances using the correct materials ensure that Terrafirma discs will withstand any test.

Grooves are machined into the brake disc to force away the dust and gasses that build up between the pad and the disc, keeping the brakes cooler and reducing fade. The cross drilling contributes to cooling and head dissipation and allows the gasses to escape.Of course they will fill with mud when off road , its been found that the grooves will clear themselves well, its best to unsure these are clean and clear when washing and maintaining your vehicle to maintain their effectiveness.

With overweight four-wheel drive vehicles and oversize tyres its important to find a set of brake pads that really do perform. A heavily laden expedition vehicle for example will quickly overhead brakes, with larger wheels requiring more effort to stop them turning. Many ‘performance’ pads are better suited to sports type driving where heat is required and can be maintained to enable the pads to really work. Even some well known brands need some heat build up to really perform effectively.


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think they are made by EBC, dont forget they are directional or at least they should be!

many thks and must confess it’s only since owning the disco that I found out about the importance of fitting discs on the right corner , will double check them and mark accordingly for the garage

also such a shame that many pre Euro 6 diesels within the ulez will be dropping in price

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Another +1 Ceramic all the way reccomend Ceratec,

PS Copperslip has not had a valid application on a vehicle for anything at all, since the 70's, its abrasive thus houd be avoided at all costs.
Copaslip I hate the stuff, but actually found a use the other day for it that I was pleased with, to stop scania brake caliper pad wear sensors seizing into the caliper.
 

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