It may require downward pressure and spinning at the same time. I just did my rear brakes on an escort with rear disc brakes and this was the case.
The caliper piston may not retract properly due to a lack of lubrication, a damaged seal, or air trapped in the brake system.
You need to turn the piston clockwise and it will slowly retract as you turn.
Use a "C" clamp to fully retract piston into caliper body
Retract is the correct spelling.
On the back of the caliper there should be a bolt its a 14mm you take it out and inside there is a bolt also its Allen key you use and Allen key and retract the caliper. it works on all 626 from 1994 till 2002
us Cclamp to retract caliper leave old brake pad in place put clamp over caliper with 1 end on brake pad and the other over caliper back start to tighten very simple.
Use a "C" Clamp to fully retract the piston into the caliper body
Caliper pistons should retract if calipers are in working order. Calipers need to be removed and rebuilt or replaced. A brake fluid flush is highly recommended.
The brake caliper may not retract properly due to issues such as a stuck piston, worn out seals, or debris buildup. These issues can prevent the caliper from releasing pressure on the brake pads, leading to brake drag and reduced braking performance.
You cant, it needs a 'C' clamp.
Clockwise to retract piston into caliper body
There is a tool used to twist the piston back into the caliper I bought mine from Canadian Tire.