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 MANUALSBUICK1998RIVIERAREPAIR AND DIAGNOSISBRAKESANTI-LOCK BRAKE SYSTEM WITH TRACTION CONTROL SYSTEMDIAGNOSIS & TESTINGSYMPTOM DIAGNOSIS
1998 Buick Riviera
Symptom Diagnosis
1998 Buick RivieraSECTION Symptom Diagnosis
If no DTCs are stored, perform appropriate symptom diagnostic test as necessary. See SYMPTOM DIAGNOSTIC INDEX table.
SYMPTOM DIAGNOSTIC INDEX
| Symptom | (1) Test | ||||
|---|---|---|---|---|---|
| ANTI-LOCK Indicator On With No DTCs Set | A | ||||
| ANTI-LOCK Indicator Inoperative | B | ||||
| TRACTION OFF Indicator On With No DTCs Set | C | ||||
| TRACTION OFF Indicator Inoperative | D | ||||
| TRACTION ACTIVE Indicator Does Not Operate Properly | (2) E | ||||
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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.