GMC Workshop Service and Repair Manuals

Refrigerant: Capacity Specifications

Refrigerant R-134a, with C60 ............................................................................................................................................................................ 0.91 kg (2 lb)
Refrigerant R-134a, Four Door Utility with C69 .........................................................................................................................................  1.25 kg (2.75 lb)
Refrigerant R-134a, Suburban with C69 .......................................................................................................................................................  1.59 kg (3.5 lb)

NOTE: C60 = Front Air Conditioning

 C69 = Rear Air Conditioning