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 MANUALSBUICK1985CENTURY V6-231 3.8LREPAIR AND DIAGNOSISSTARTING AND CHARGINGTECHNICAL SERVICE BULLETINS
1985 Buick Century V6-231 3.8L
Starting and Charging: Technical Service Bulletins
1985 Buick Century V6-231 3.8LSECTION Technical Service Bulletins
- Customer Interest
- By Symptom
- All Technical Service Bulletins
- Vehicle - AC Delco Locator Service, Electronics Exchange
- Insolation Diodes - Replacement Information
- Electrical - Instrument Panel And General Wiring Repair
- Cooling Fan - Diagnosis for Running Battery Dead
- Cooling - Fan Runs Excessively, Noisy, Battery Drain
- Battery - Revised Ammeter Connecting (Parasitic Drain)
- Battery - Dead Due to Excessive Current Draw
- Battery - Diagnosis and Charging
- Battery - Use High Charger Setting to Recharge
- Warranty - New Vehicle/Replacement Battery
- Battery - Insulator Replacement & Caution
- Radio - Alternator Whine in Left Channel
- Starter Drive Assembly - Revised
- Charging - Delcotron Generator Bearing Lubricant
- Connector Terminals - Contact Checking Procedure
- Starter Motor - Solenoid Clicks, No Crank
- Electrical - New Nickel Tape Shields Harnesses
- Electrical - Aftermarket Fuse Warning
- Electrical - Intermittent MIL/DTC P2138/Reduced Power
- Electrical - MIL ON/DTC's Set By Various Control Modules
- Locks - Key Code Security Rules, Key Code Look Up
- Electrical - Ground Repair Information
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.