ElectricHandBrake Caliper replaced but still gets hot

[ItIsMe1]

My daughter's 308SW || 2015 has a Bosch 4-wire electric handbrake.
She came home from work with a very hot rear right hand wheel and brake.
It was obvious that the caliper had seized though the pads had little ware. I put the ELB off by using the handbrake switch and pressing the brake pedal. I replaced the caliper with a new Bosch one and used new pins but in use it still squeals and gets hot. I had rotated the piston to leave some free play. I don't yet have a service electronic box and dont know if one is necessary. Any advice welcomed

[xantia_v6]

Have you checked that the service brake is not dragging?

[ItIsMe1]

Yes. It is fine when disk is moved by hand. Is a diagnostic tool needed to reactivate the parking brake?

[RichardW]

Make sure it's off, then unplug it and take it for a drive. If still hot you have a hydraulic problem somewhere, collapsed hose or ABS block problem?

[Paul-R]

Surely a diagnostic machine will be needed to reset the caliper as one should be used to just change pads.

[ItIsMe1]

Hi Richard Not sure how that will work as if it is off the ELB releases and the wheel can be turned by hand so no problem, but if I go for a drive normal braking will pull the pads into contact

[ItIsMe1]

Thanks Paul-R but the pads were not worn and were not replaced so no reset would be needed? After fitting the caliper I put the ELB on and then off and the wheel was free to turn. I have never had an electric handbrake before and have only found one diagnostic machine (Launch) that may work with peugeot/Citroen

I know that they can be used to release the handbrake but aren't needed to do so. I thought you adjusted the piston position by rotating it.

[Paul-R]

Thanks Paul-R but the pads were not worn and were not replaced so no reset would be needed?

Yes but the point is that if you need to use a diagnostic machine for a pad change then it's probable you'd need it for anything to do with the handbrake.

I thought you adjusted the piston position by rotating it.

One thing they tell you that you absolutely must NOT do is rotate the pistons.