Just done this job. It’s very easy once you know how! I used Pagid pads from Eurocarparts. Make sure you get the right ones! Check your vin against the website. This is not for carbon brakes, just the normal ones. I also advise you to buy a new wear sensor. Whilst it can be extracted without breaking it, it’s more likely it will be damaged, so for the sake of £25 get a new one!
Before anything mechanical, you need to set the park brake to Service Mode. If you have diagnostic kit, you can do this easily. If not, you can do it with this sequence.
Chock front wheels.
Ignition on.
Press the epb switch DOWN and hold down for 2 seconds.
Then press the accelerator pedal fully down for 2 seconds.
Whilst continuing to hold both down, switch the ignition off then back on.
A sound will be heard and a message will be displayed. This has now backed off the motors and will allow piston push back later. If you can’t get this to work, make sure you do it all in sequence and wait 2 seconds between steps.
Loosen wheel nuts
Jack up car ( I did 1 wheel at a time with trolley jack under the suspension arm.
Support securely on axle stand or suitable block under a strong part of the subframe.
Remove wheel.
On the right hand side only, carefully remove the wear sensor. Grip it with some pliers and try and work it free. Make sure the tiny brass clip is with it. If it breaks, get a new one. They are not too expensive.
Undo the two slider bolts. 13mm spanner with 15mm to hold the slider pins. New pads should come with new bolts. If not, keep old but will need some thread lock when refitting.
Pull off the calliper from the frame. Remove old pads
Thoroughly clean everything with brake cleaner.
Check sliders move freely. If not, pull them out and lubricate with silicone grease.
Remove cover under bonnet and take top off master cylinder to monitor fluid level whilst pushing back calliper pistons.
Use push back tool to retract piston.
Put a tiny amount of brake grease on sliding surfaces of pad springs. Copper grease is ok. Just a smear is all you need.
Insert new pads. The inner ones are a bit of a fiddle, but once you’ve got the knack they just click into place.
Replace the calliper over the carrier. Fit new bolts to sliders, or re-use old but with a bit of thread lock. Tighten bolts up.
On the right hand side only, carefully refit the wear sensor. These are fragile and snap really easily so be extra careful. If it doesn’t make a good contact you will get a false pad wear warning. It clips into the rounded recess on the in-board pad right hand side only.
Refit wheel.
Lower to the ground.
Torque wheel nuts to 125 nm.
Pump the pedal a few times to seat the pads.
Check brake fluid level.
Now you need to take the epb out of Service Mode either with diagnostic system or as follows.
Ignition on.
Pull UP the epb switch for 2 seconds.
Then press the accelerator pedal fully down for 2 seconds.
Then whilst holding both in this position, switch the ignition off then immediately back on.
A noise should be heard from the motors and the message will disappear.
Remove chocks from front wheels.
Start engine.
Test drive.
Before anything mechanical, you need to set the park brake to Service Mode. If you have diagnostic kit, you can do this easily. If not, you can do it with this sequence.
Chock front wheels.
Ignition on.
Press the epb switch DOWN and hold down for 2 seconds.
Then press the accelerator pedal fully down for 2 seconds.
Whilst continuing to hold both down, switch the ignition off then back on.
A sound will be heard and a message will be displayed. This has now backed off the motors and will allow piston push back later. If you can’t get this to work, make sure you do it all in sequence and wait 2 seconds between steps.
Loosen wheel nuts
Jack up car ( I did 1 wheel at a time with trolley jack under the suspension arm.
Support securely on axle stand or suitable block under a strong part of the subframe.
Remove wheel.
On the right hand side only, carefully remove the wear sensor. Grip it with some pliers and try and work it free. Make sure the tiny brass clip is with it. If it breaks, get a new one. They are not too expensive.
Undo the two slider bolts. 13mm spanner with 15mm to hold the slider pins. New pads should come with new bolts. If not, keep old but will need some thread lock when refitting.
Pull off the calliper from the frame. Remove old pads
Thoroughly clean everything with brake cleaner.
Check sliders move freely. If not, pull them out and lubricate with silicone grease.
Remove cover under bonnet and take top off master cylinder to monitor fluid level whilst pushing back calliper pistons.
Use push back tool to retract piston.
Put a tiny amount of brake grease on sliding surfaces of pad springs. Copper grease is ok. Just a smear is all you need.
Insert new pads. The inner ones are a bit of a fiddle, but once you’ve got the knack they just click into place.
Replace the calliper over the carrier. Fit new bolts to sliders, or re-use old but with a bit of thread lock. Tighten bolts up.
On the right hand side only, carefully refit the wear sensor. These are fragile and snap really easily so be extra careful. If it doesn’t make a good contact you will get a false pad wear warning. It clips into the rounded recess on the in-board pad right hand side only.
Refit wheel.
Lower to the ground.
Torque wheel nuts to 125 nm.
Pump the pedal a few times to seat the pads.
Check brake fluid level.
Now you need to take the epb out of Service Mode either with diagnostic system or as follows.
Ignition on.
Pull UP the epb switch for 2 seconds.
Then press the accelerator pedal fully down for 2 seconds.
Then whilst holding both in this position, switch the ignition off then immediately back on.
A noise should be heard from the motors and the message will disappear.
Remove chocks from front wheels.
Start engine.
Test drive.
