new discs

[sam325is]

just put some new rear discs on my car.now i cant get the calipers back on.

its probly simple but i havent done it before so i dont know how its done.

any help appreciated

[buckz2001]

have you pushed back the caliper pistons yet?.........

[sam325is]

no. how do i do that?

[Brianmoooore]

no. how do i do that?

Stick a bleed hose on the bleed screw and slacken it off. Then push the piston back in squarely.
In the absence of a proper tool, the easiest way is to stick a screwdriver between the disc and the old pad on the piston side before you dismantle anything.

[Conrad]

no. how do i do that?

Stick a bleed hose on the bleed screw and slacken it off. Then push the piston back in squarely.

Wouldn't that result in you having to bleed the brakes afterwards? I was always told to take some fluid out of the MC.

Cheers,

Con

[Brianmoooore]

Wouldn't that result in you having to bleed the brakes afterwards?

No, as long as you close the bleed screw before releasing the pressure on the piston.
Doing it your way forces dirty fluid from inside the callipers back through the system, and can possibly damage seals (by reversing them) inside the ABS pump unit or the master cylinder.

[Lordschleife]

no. how do i do that?

Stick a bleed hose on the bleed screw and slacken it off. Then push the piston back in squarely.
In the absence of a proper tool, the easiest way is to stick a screwdriver between the disc and the old pad on the piston side before you dismantle anything.

Thats what I usually do - use a screwdriver between disc/pad before taking off

Now the calipers off you might be able to use something like a g-clamp with a thick cloth round to push the caliper back if it doesnt want to shift easy