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 MANUALSOLDSMOBILE1987CALAIS BASE, 2D COUPE, 2.5 U, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEM2.3L VIN [D] CEC TESTS W/CODESCOMPONENT CHECK FLOW CHARTS (C CHARTS)CHART C10 - A/C CLUTCH CONTROL CIRCUIT DIAGNOSISDIAGNOSTIC AIDS

1987 Oldsmobile Calais Base, 2D Coupe, 2.5 U, Automatic

Diagnostic Aids

1987 Oldsmobile Calais Base, 2D Coupe, 2.5 U, AutomaticSECTION Diagnostic Aids

If original problem was insufficient cooling from A/C system, problem may be caused by inoperative cooling fan. See CHART C12 for cooling fan diagnosis.

Fig 1: Chart C10 Schematic - A/C Clutch Control Circuit Diagnosis

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.