brake diagram for 1998 ford escort
Defective caliper, restricted hose, caliper sliders sticking, contaminated brake fluid (probably not contaminated if only 1 front caliper).
Over here in the states we call the brake blocks the brake pads. The holder of these is called a brake caliper. If you live in the UK they may have a different name.
Could be a frozen piston inside the caliper Could be a defective brake hose Could be a damaged (pinched) brake line
take tires off remove caliper then rotor should pop right off you might have to wiggle a lil bit but there is nothing holding it on besides the caliper and rims
you will have to get a brake caliper tool. the rear caliper the center part turn or screws in with this tool
failing brake caliper caliper seizing
DOT ( 3 ) brake fluid meeting Ford specification ESA-M6C25-A according to the 1998 Ford Escort Owner Guide
A sticky brake caliper could do that.
"Caliper anchor bolts" hold the brake caliper on, they require a 3/8" Allen wrench to remove.
On the rear if you have the tire off and the disc wont release then try to tap the brake caliper with a hammer then it should release
Collapse caliper(screw driver to pry caliper apart), remove brake pin plug, remove brake pin, remove pads, reverse for install