2000 Daewoo Leganza Brake Service (ONLINE REPAIR MANUALS)

Brake Booster, Replace

Lanos

• Disconnect brake master cylinder reservoir electrical connector.
• On models equipped with manual transaxle, disconnect clutch cylinder hose connection at brake fluid reservoir, then plug to prevent fluid leakage and contamination.
• On all models, remove master cylinder mounting nuts.
• Move master cylinder forward slightly and position aside with fluid lines intact. Discard booster housing seal.
• Remove booster vacuum hose.
• Disconnect stop lamp switch.
• Disconnect brake pedal spring.
• Disconnect clip and pushrod pin from brake pedal bracket assembly.
• Remove ...

Brake Booster Pushrod, Adjust

• Inspect pushrod and adjustment sleeve for proper fit.
• Install adjustment sleeve and hex nut onto booster. Torque to 13 ft. lbs.
• Insert pushrod into adjustment sleeve, then mount the retainer.
• Measure distance from booster to center of fork bore, Fig...

Caliper, Replace

• Raise and support vehicle.
• Mark wheel to hub orientation, then remove wheel and tire.
• Remove brake fluid hose to caliper mounting bolt and washers, then the hose. Plug hose end and caliper port to prevent fluid loss and contamination.
• Remove caliper mounting bolts, then the caliper.
• Reverse procedure to install, noting the following:
• Tighten all nuts and bolts to specifications.
• Bleed brakes as outlined under "Brake System Bleed."
• Do not move vehicle until a firm brake pedal is obtained.
• Depress brake pedal several times to bring pads into contact with rotor.

Caliper, Overh...

Master Cylinder, Overhaul

Lanos & Nubira

Disassemble

• Separate fluid reservoir from master cylinder main body. Discard seals.
• Remove cylinder bore sealing ring. Avoid damaging cylinder wall or piston.
• Insert a clean welding rod or similar item into a compensating port to keep piston pressed down.
• Remove and discard retaining ring using a suitable screwdriver.
• Remove primary piston.
• Remove secondary piston and spring.

Assemble

• Clean all components with clean brake fluid or denatured alcohol. Do not use any abrasives in the bore.
• Dry all components with compressed air.
• Inspect bore for corro...

Brake System Bleed

Replacement modulators are already filled and bled. Air usually will not enter the modulator during normal procedures that require EBCM replacement. Normal bleeding would be required in such cases. Refer to " Brake System Bleed" in the "Hydraulic Brake Systems" section.

If air enters the hydraulic modulator or if a modulator is installed in an unfilled condition, use a suitable scan tool and follow the brake bleeding program prompts. The modulator cannot be bled manually.

Component Replacement

Hydraulic Unit

• Disconnect EBCM electrical connectors.
• Cover connectors and soc...

Master Cylinder, Replace

Lanos

• Disconnect master cylinder reservoir cap electrical connector.
• Disconnect brake lines at master cylinder. Plug lines to prevent fluid contamination.
• On models equipped with manual transaxle, disconnect clutch cylinder hose connection at brake fluid reservoir, then plug to prevent fluid leakage and contamination.
• On all models, remove master cylinder mounting nuts, then the master cylinder.
• Remove and discard master cylinder to booster housing seal.
• Reverse procedure to install, noting the following:
• Install a new master cylinder to booster housing se...