You need a caliper tool and a ratchet. Caliper tool is a cube with prongs on it, a couple dollars at a parts store or online.
Just turn the caliper tool and on the caliper and it will compress.
With a C clamp, the same as any other car.
My 1999 infiniti G20 rear calipers have to be twisted clockwise in order to compress them. The auto parts stores have a tool set you can rent that will compress and twist at the same time. I went the cheap route and bought a universal cubed looking tool that attaches to a ratchet and it worked but was really hard to compress and twist at the same time. Definetly recommend the tool set rental.
If parking brake is attached to these calipers a special tool (not expensive) is required, because these pistons are threaded Tool available at Sears or auto parts store
No need to rotate the front caliper pistons as you compress the front calipers. That process is only for the rear calipers because of the parking brake mechanism.
the piston on the rear calipers will turn in a clockwise motion and that is how they retract.
You will need the tool to retract the calipers. The piston in the rear calipers have to be turned clockwise as you compress them back in.
are u trying to change them?
Yes. If your question is regarding the operation of the calipers. They do operate in the same manner as the front calipers.
Yes. The rear bumper cover was the same on the Infiniti G20 from 1999-2002.
The rear caliper compresses into the bore by rotating the face clockwise. You can do this with a special tool or with long, needle nose pliers. Unlike the front calipers, the piston extends and retracts on a spiral screw attached to the bottom of the caliper bore.
Try exerting pressure while turning clockwise to retract
with a large pear of channel locks,or a caliper compressor
The rear brake calipers screw back in. This is because of the park brake. There is a tool that you can either buy or rent from one of the larger parts stores.