Rick's Free Auto Repair Advice

Posts Tagged: compressor clutch coil

Diagnose compressor clutch coil

Test compressor clutch coil If your car’s AC compressor clutch won’t engage and low side and high side pressures are within specifications, test compressor clutch coil. Using a DVOM set to the ohms scale, disconnect the electrical connector to the clutch coil. Touch the probes to the clutch coil terminals. Normal clutch coil resistance is 3Ω to 5Ω. Readings less than 2Ω or greater than 5Ω mean the clutch coil is bad. Check operational voltage With the engine running and AC in MAX position, set your DVOM to DC volts … Read More

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