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[Mr Hagon]

The brake wear sensor triggered this morning on the way to work and kindly informed me via the CID.

Do I have to change them immediately, or do I have a few miles left before they're worn out completely?

[henryd]

you probably have a few miles left as the wear ridge on the disc will trigger the sensor,having said that you should change them as soon as you can as the pads cannot dissipate the heat generated under heavy braking

[geoffr70]

You'll have plent time to get new pads and put them on. You get alot of warning.

[Mr Hagon]

You'll have plent time to get new pads and put them on. You get alot of warning.

Ta, I'll inspect visually and keep an eye on them.  I'm seem to remember on my previous Omega the sensor triggered and I got a good while longer.

Service will be due in a few months so if they last that long I might do the pads at the same time.

[sandune]

Hiya you will have plenty of time about 5mm off pad left, if you're doing the job yourself ,also get the sender as they usually break when you extract the  oldone to get access to remove the old pad.

[Mr Hagon]

Hiya you will have plenty of time about 5mm off pad left, if you're doing the job yourself ,also get the sender as they usually break when you extract the  oldone to get access to remove the old pad.

Yup, will do, the sensor broke when the pads were changed on my previous Omega  .

[Andy B]

Hiya you will have plenty of time about 5mm off pad left, if you're doing the job yourself ,also get the sender as they usually break when you extract the  oldone to get access to remove the old pad.

Yup, will do, the sensor broke when the pads were changed on my previous Omega  .

The sensor is already 'broke' it's worn through & triggered the low pad message. 

[Andy H]

I didn't get any warning when one of my facelift pads wore down to the metal 
 
Pre-facelifts have sensors both sides but facelifts only have one (on the nearside IIRC).

[Andy B]

....
 
Pre-facelifts have sensors both sides but facelifts only have one (on the nearside IIRC).

Apparently it's late facelift that just have one.

[geoffr70]

....
 
Pre-facelifts have sensors both sides but facelifts only have one (on the nearside IIRC).

Apparently it's late facelift that just have one.

Yeah, my f/l has two

[Andy H]

....
 
Pre-facelifts have sensors both sides but facelifts only have one (on the nearside IIRC).

Apparently it's late facelift that just have one.

It would have been a late facelift if I had needed to stop quickly...............

[Andy B]

....
 
Pre-facelifts have sensors both sides but facelifts only have one (on the nearside IIRC).

Apparently it's late facelift that just have one.

It would have been a late facelift if I had needed to stop quickly...............

*groan*

please collect your coat at the door!   

[Andy H]

Sorry 

Brake pads should be binned when half the material has worn away.

The brake pad material acts as a thermal insulator between the hot brake disc and the brake piston.

As the brake pads wear the caliper pistons move further out and more brake fluid sits in the calipers.

The excess fluid in the caliper will make spongy brakes worse.

When the brake material gets too thin (ie less than 1/2 the original thickness) it starts to break up and will disappear very quickly.

For all the reasons listed above I don't think Mr Hagon should drive his car until he has inspected his brake pads.

[TheBoy]

The sensor wears out when pads are just over half worn...

I tend to change my pads before the sensors wear out (cheap enough on tradeclub, once worn, tend to glaze up quicker when pressing on, and I've normally them by then anyway).  I have about a 66% success rate in reusing the pad sensors as well.



I noticed her Rover was down to the last 2 or 3mm, so nipped to Hellfrauds. £20.99 pads cost £6.73 on their trade scheme .

[Mr Hagon]

Hiya you will have plenty of time about 5mm off pad left, if you're doing the job yourself ,also get the sender as they usually break when you extract the  oldone to get access to remove the old pad.

Yup, will do, the sensor broke when the pads were changed on my previous Omega  .

The sensor is already 'broke' it's worn through & triggered the low pad message. 

What I was trying to say was that the sender will no doubt break  .