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Chevy Truck
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1987
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Suburban 3/4 Ton 4WD V8-305 5.0L
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Repair and Diagnosis
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Maintenance
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Fluids
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Refrigerant
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Technical Service Bulletins
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A/C - Retrofitting R-12 to R-134a
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A. Retrofit Procedure
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Accumulator /Dryer
Accumulator /Dryer
If the vehicle is more than 5 years old, the Accumulator/Dryer (A/D) should be replaced to ensure that moisture is removed from the system. See the instructions for proper A/D identification in General Information.