stuck parking brake cable, over extended wheel cylinder, or your brake springs broke. check the back of the drum and wheel for fluid(black and wet)wich would be a wheel cylinder. if it occured after using the emergency brake then it is probably the cable otherwise you will have to remove the tire and inspect the brakes
The 2003 Chevy S 10 emergency brake can be adjusted with the emergency brake adjustment bolt. The adjustment bolt will be on the emergency brake pad.
It is important to maintain your brakes properly. The minimum brake rotor thickness for a 2003 Ford Ranger is 0.99 inches.
The emergency or parking brake on 2003 Jeep Grand Cherokee operates a set of brake shoes inside a hub on the rear axles, this is incorporated into the disc brake setup.
Either 9 inch or 10 inch brake shoes
It he emergency brake has slack in it, then you more than likely the rear pads/shoes are worn out. Inspect the rear brakes.
panel box by the emergency brake on the drivers side
You need brake fluid
Take apart the back brake and free the shoe or cable.
If the " BRAKE " warning light in your gauge panel is on , either your parking / emergency brake is on and if not , YOUR BRAKE FLUID LEVEL IS LOW in the brake master cylinder located in your engine compartment
push the emergency brake pedal down ONE CLICK
look in the owners manual. However should be by the emergency brake you have to get on the floor and look up
Press one click on the emergency brake. This works on most GM's.