Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPONTIAC19886000 BASE, 4D WAGON, 2.5 RREPAIR AND DIAGNOSISBRAKESANTI-LOCK BRAKESANTI-LOCK BRAKE SYSTEM - EXCEPT STE
1988 Pontiac 6000 Base, 4D Wagon, 2.5 R
Anti-Lock Brake System - Except STE
1988 Pontiac 6000 Base, 4D Wagon, 2.5 RSECTION Anti-Lock Brake System - Except STE
- Description
- Operation
- Bleeding
- Troubleshooting
- Testing
- Diagnosis
- Chart A-1: Ignition Enable CKT
- Charts A-2 To A-4: Main Relay CKT
- Charts A-5 & A-6: EBCM Loop CKT
- Charts A-7 To A-10: Wheel Sensor CKT
- Charts A-11 To A-18: Valve Block & Main Valve CKT
- Charts A-19 & A-20: Anti-Lock Light & Stoplight CKT
- Test B: Pump/Motor & "Brake" Light CKT
- Charts B-1 & B-5: Pump/Motor & "Brake" Light CKT
- Test C Wheel Sensor Output
- Chart C-1 To C-4 Wheel Sensor Output
- Test D: Solenoid Valve Operation
- Test E: Anti-Lock Light Inoperative
- Test F: Intermittent Anti-Lock Light While Driving
- Test G: Low Or Spongy Pedal
- Removal & Installation
- Wiring Diagrams
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.