The Daewoo Lanos is a Korean made car that comes equipped with front disc brakes and rotors for the front wheels and rear brake shoes and drums for the rear wheels. The disc brake pads work by applying pressure to the side of the rotors. The friction from the pressure is what stops the wheels from turning. The brake shoes work similarly: by applying pressure to the inside of the brake drum. The friction from the pressure is what also stops the rear wheels from turning. Over time the pads and shoes will wear down and will need to be replaced.
Park the Daewoo Lanos on a level surface and shut the engine off.
Loosen all of the lug nuts from the front and rear wheels about one-quarter of a turn counter-clockwise with a tire tool. Jack the front end of the car up and place the safety stands under the proper front jacking points. Lower the front end onto the jack stands and remove the jack. Move the jack to the rear of the car and jack it up. Place the jack stands under the proper rear jacking points. Lower the rear of the car onto the stands and leave the jack in place.
Remove the lug nuts from all four wheels. Pull all four wheels off and place them down in each work area. Begin the brake pad replacement process on the driver side front wheel hub. Locate the safety clips on each side of the brake caliper. Pry the clips off with a flathead screwdriver.
Loosen and remove the two caliper mounting bolts on the back of the caliper with a ratchet and a 7-mm hex head socket. Slide the flathead screwdriver between the inside brake pad and the brake rotor. Pry the brake pad back and forth until the caliper assembly is loose. Pull the caliper off of the rotor and hang it to one of the front suspension components behind the wheel hub assembly with a bungee cord.
Pull the outer brake pad out of the brake caliper with your hand. Leave the inner brake pad inside of the caliper. The back part of the inner brake pad is inside of the caliper piston. Position the c-clamp around the back of the caliper assembly and the front of the inner brake pad. Compress the brake pad against the caliper piston with the c-clamp until the piston is fully compressed. Remove the c-clamp and the brake pad from the caliper.
Insert the new brake pads into the brake caliper. Inspect the front and rear surface of the brake rotor for any damage such as grooving and wear. If any of the damage is excessive, replace the rotor. If any of the damage is minimal, take the rotor to a machine shop to have the rotor machine turned to remove the damage. If the rotor has no damage, leave it alone.
Remove the bungee cord from the caliper and slide the caliper back over the rotor. Screw the two caliper mounting bolts back into the back of the caliper. Tighten the bolts down with the ratchet and the 7-mm hex-head socket. Torque the bolts to 25Ft. Lbs with a torque wrench and the 7-mm hex head socket. Snap the brake pad clips back over the sides of both brake pads.
Slide the wheel back onto the hub and screw the lug nuts on tightly. Move to the front passenger side wheel and repeat the same replacement process as outlined above to replace the brake pads. Slide the wheel back onto the hub and screw the lug nuts on tightly.
Move to the driver side rear brake drum. Pull the brake drum off of the brake shoes. If the drum is stuck, use the rubber mallet to tap the drum off of the brake shoes. Place the drum to the side.
Remove the two upper brake shoe return springs from the brake shoes and from the top of the brake shoe backing plate with the spring removal tool. Loosen and remove the brake shoe retainer clips from the front sides of each brake shoe with the spring retainer tool.
Pull the top of each brake shoe apart with your hands. Remove the two lower hold down springs from the retainers inside of each brake shoe and the backing plate with the brake spring removal tool. Pull the parking brake cable off of the back of the rear brake shoe.
Pull the brake shoes off of the backing plate and place them to the side. Place the new brake shoes on the surface. Make sure that the new brake shoes have the spring retainers already installed into the front sides of the brake shoes. If not, tap the retainers through the sides of each brake shoe with the rubber mallet. Position the new brake shoes onto the backing plate. Latch the two lower hold down springs onto the retainers inside of each brake shoe and the backing plate with the spring removal tool.
Attach the two upper return springs to each brake shoe and the backing plate with the spring removal tool. Reattach the parking brake cable to the back side of the rear brake shoe. Move to the back of the brake shoe backing plate and remove the rubber plug from the backside of the backing plate with the flathead screwdriver.
Shine a flashlight through the access hole and locate the adjustment wheel at the bottom of the backing plate. Slide the brake shoe adjustment tool onto one of the gears attached to the adjustment wheel. Turn the wheel clockwise 8-10 turns to compress the brake shoes together. This will make the room needed to get the brake drum over the new brake shoes.
Move back to the front of the backing plate and slide the drum over the new brake shoes. Slide the wheel onto the drum and screw the lug nuts on tightly. Move back to the rear of the backing plate and slide the adjustment tool back onto one of the adjustment gears. Turn the gears in a clockwise direction until the gears stop turning.
Try to turn the wheel with your hands. If the wheel does not turn, this will mean that the brake shoes are fully compressed to the brake drum. Turn the adjustment wheel clockwise until the wheel begins to turn with no restrictions. Stop adjusting and insert the rubber plug back into the access hole. Move to the passenger side rear brake drum and follow the same replacement process to replace the brake shoes.
Jack the rear end up and remove the jack stands. Slide the jack out and move it to the front of the Daewoo Lanos. Jack the front end up and remove the jack stands. Remove the jack. Finish tightening the lug nuts down tightly on all four wheels with the tire tool.
Crank the engine and push the brake pedal in and out five or six times to position the brake pads to the proper position from the surface of the brake rotors. Turn the engine off. Test drive the car in a safe location to check out the operation of the new brakes. Park the car and shut the engine off.
Turn the c-clamp slowly to prevent the brake fluid reservoir from pressurising. A piece of rope or mechanics wire can also be sued to hole the brake caliper. Most all new brake she kits come fully equipped with the spring retainers so that the brake shoes are ready to install as soon as they come out of the box.
Do not let the caliper hang from the brake line. Never install new brake pads to a worn or grooved brake rotor. This will cause dangerous and uneven braking. Make sure that all of the springs and the retainers are properly installed on the rear brake shoes.
Tips and warnings
- Turn the c-clamp slowly to prevent the brake fluid reservoir from pressurising.
- A piece of rope or mechanics wire can also be sued to hole the brake caliper.
- Most all new brake she kits come fully equipped with the spring retainers so that the brake shoes are ready to install as soon as they come out of the box.
- Do not let the caliper hang from the brake line.
- Never install new brake pads to a worn or grooved brake rotor. This will cause dangerous and uneven braking.
- Make sure that all of the springs and the retainers are properly installed on the rear brake shoes.