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.
Diagnosis & Testing: Notes
1998 Buick RivieraSECTION Notes
NOTE:
Perform BASIC SYSTEM OPERATIONAL TEST
before proceeding with ELC system testing. System is tested based upon symptoms. For ELC testing, see ELC SYSTEM SYMPTOM
table.
ELC SYSTEM SYMPTOM
| Symptom | Test No. | ||
|---|---|---|---|
| Rear Of Vehicle Low | 1 | ||
| Rear Of Vehicle High | 2 | ||
| Compressor Runs For Maximum Time (7 Mins.) Then Turns Off; Vehicle Does Not Reach Proper Height | 3 | ||
| Compressor Cycles On And Off Frequently, No Air Leaks Present | 3 | ||
| Compressor Does Not Run For 3-5 Seconds After Ignition On For 35-55 Seconds | 3 | ||
| Compressor Runs Excessively | (1) | ||
|
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RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.