C 2500 Truck 2WD V8-305 5.0L (1990)
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Place the compressor in a horizontal position with the oil sump down.
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Rotate the compressor shaft by hand.
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Replace shaft nut (1) with a new one.
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Place the compressor in a horizontal position with the oil sump down.
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Rotate the compressor shaft by hand.
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Replace shaft nut (1) with a new one.