SW1 L4-1.9L SOHC VIN 8 (1996)
Brake Bleeding: Service and Repair
With ABS System
Manual Bleeding
NOTE: Before bleeding the rear brakes, the rear displacement cylinder pistons must be returned to the topmost position. Using a SATURN scan
tool or suitable equivalent, perform RUN ABS MOTORS, PISTON UP-HOME. This will run the pistons to the top of their travel.
CAUTION: Use only DOT 3 brake fluid from a clean and sealed container. Do not use DOT 5 brake fluid.
1. Ensure brake fluid reservoir is properly filled.
2. Attach bleeder hose to modulator assembly rearward bleed valve and submerge other end of hose in clean container partially filled with brake fluid
.
3. Pump brake pedal several times, then slowly open bleeder valve 1/2 to 3/4 turns.
4. Depress brake pedal and hold until fluid begins to flow.
5. Close valve and repeat preceding steps on forward valve. Once fluid is seen to flow from both the forward and rearward valves, modulator valve
and master cylinder are filled sufficiently with fluid. However, these components may not be purged of air. At this point, bleed the wheel brakes.
6. Raise and support vehicle.
7. Attach bleeder hose to bleeder valve of right rear wheel and submerge other end of hose in clean container partially filled with brake fluid.
8. Open bleeder valve and slowly depress brake pedal, then close valve and slowly release brake pedal. Wait five seconds to proceed.
9. Repeat preceding step until brake pedal feels firm and no air bubbles are observed in bleeder hose.
10. Repeat bleed steps, first for left rear wheel, then the right front caliper, then the left front caliper.
11. Lower vehicle and attach bleeder hose to rearward bleeder valve.
12. Depress brake pedal using moderate pressure, then slowly open bleeder valve 1/2 to 3/4 turn and allow fluid to flow.
13. Close valve and release brake pedal, then wait five seconds to proceed.
14. Repeat preceding steps until all air is purged from system.
15. Road test vehicle to verify brake performance.
Pressure Bleeding
NOTE: Before bleeding the rear brakes, the rear displacement cylinder pistons must be returned to the topmost position. Using a SATURN scan
tool or suitable equivalent, perform RUN ABS MOTORS, PISTON UP-HOME. This will run the pistons to the top of their travel.
CAUTION: Use only DOT 3 brake fluid from a clean and sealed container. Do not use DOT 5 brake fluid.
1. Remove master cylinder cover and ensure reservoir is properly filled.
2. Connect bleeder adapter tool No. SA9150BR, or equivalent, to master cylinder reservoir.
3. Connect bleeder adapter to pressure bleeding equipment.
4. Connect a clear plastic bleeder hose to modulator assembly rearward bleeder valve and submerge other end of hose into clean container partially
filled with brake fluid.
5. Adjust pressure bleeding equipment to 5-10 psi, then wait approximately 30 seconds to ensure there is no leakage.
6. Adjust pressure bleed equipment to 30-35 psi.
7. To bleed ABS hydraulic modulator and master cylinder, proceed as follows:
a. Slowly open rearward bleeder valve and allow fluid to flow until no air is seen in fluid, then torque valve to 5.4 ft. lbs.
b. Attach bleeder hose to modulator assembly forward bleeder hose.
c. Slowly open forward bleeder valve and allow fluid to flow until no air is seen in fluid, then torque valve to 5.4 ft. lbs.
8. To bleed wheel brakes, proceed as follows:
a. Raise and support vehicle.
b. Attach bleeder hose to bleeder valve of right rear wheel and submerge other end of hose into clean container partially filled with brake fluid.
c. Loosen bleeder valve and allow fluid to flow until air bubbles are no longer present, then close valve.
d. Repeat steps b and c, first for left rear wheel, then the right front caliper, then the left front caliper.
9. Road test vehicle, to verify brake performance.
