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HOMESERVICE MANUALSSATURN1992SL1 AUTOMATICREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEMBLEEDING BRAKE SYSTEMPRESSURE BLEEDING
1992 Saturn SL1 Automatic

Pressure Bleeding

1992 Saturn SL1 AutomaticSECTION Pressure Bleeding
CAUTION: Use only DOT 3 brake fluid from a clean, sealed container.
  1. Clean reservoir cap area on master cylinder. Ensure fluid reservoir is full. Connect pressure bleeder and adapter, following manufacturer's instructions. Charge bleeder to 30-35 psi (2.1-2.5 kg/cm2 ).
  2. Connect transparent hose to rear bleeder valve at modulator. Submerge other end of hose in container of clean brake fluid. Loosen bleeder valve 1/2 - 3/4 turn. Allow fluid to flow until free of air bubbles. Close bleeder valve.
  3. Repeat steps 1) and 2) for front bleeder valve on modulator. Refill reservoir to FULL line with DOT 3 brake fluid.
    NOTE: Before bleeding rear brakes, connect "Scan" tester. Perform SPECIAL TEST, RUN ABS MOTORS, and PISTONS UP-HOME functions.
  4. Connect bleeder hose to bleeder fitting at right rear caliper. Submerge other end of hose in container of clean brake fluid.
  5. Open valve on bleeder tank to pressurize system. Maintain system pressure at 30-35 psi (2.1-2.5 kg/cm2 ). Open bleeder fitting 1/2 - 3/4 turn. Allow fluid to flow until free of air bubbles. Tap LIGHTLY on caliper to help free trapped air while bleeding.
  6. Repeat procedure at left front, left rear, and right front wheels. When complete, close pressure bleeder tank valve. Remove adapter. Refill reservoir to FULL line with DOT 3 brake fluid.
  7. Check that pedal is firm and pedal travel is not excessive. Start engine and repeat step. If pedal is firm and travel is not excessive, go to step 11). If pedal is not firm or travel is excessive, go to next step.
  8. Use "Scan" tester to RUN ABS MOTORS, PISTONS UP-HOME, and PISTONS DOWN-REL functions 2 times. Using "Scan" tester, command pistons to home position.
  9. Start and run engine for 2 seconds after ABS light goes out. Turn engine off. Repeat this step 9 more times.
  10. Repeat steps 1) through 7).
  11. Check system for leaks with engine running and brakes applied.
  12. Road test vehicle. Make several normal stops from moderate speed. Make one or 2 ABS stops from approximately 50 MPH (80 km/h). Repeat steps 1) through 11). If pedal is firm and travel is not excessive, system is properly bled. A second road test is not required.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.