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 MANUALSBUICK1987ELECTRA V6-231 3.8L VIN 3 FIREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCONTROL ASSEMBLYSERVICE AND REPAIRAUTOMATIC CLIMATE CONTROLS
1987 Buick Electra V6-231 3.8L VIN 3 FI
Automatic Climate Controls
1987 Buick Electra V6-231 3.8L VIN 3 FISECTION Automatic Climate Controls
A/C Control Assembly:
A/C And Heater Control Wiring:
REMOVE OR DISCONNECT
1. Center Instrument Panel (I/P) trim plate.
2. Four (4) heater and A/C control assembly retaining screws.
3. Pull assembly out slightly.
4. Electrical (2) and vacuum connectors.
5. Temperature cable.
6. Heater and A/C control assembly.
INSTALL OR CONNECT
1. Temperature cable to control assembly.
2. Electrical (2) and vacuum connectors to heater and A/C control assembly.
3. Four (4) heater and A/C control assembly retaining screws.
4. Center I/P trim plate.
RENDER: 1.0x
NO RELATED
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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.