Refrigerant Capacity

REFRIGERANT-134A
Pickup Models 0.91 kg (2.0 lb.)
Crew Cab Suburban and Utility Models Front A/C only 1.02 kg (2.25 lb)
Suburban with Rear Air Conditioning 1.81 kg (4.0 lb)

- Overcharging a system may allow liquid Refrigerant-134a to get into the compressor, causing compressor noise and damage. Undercharging will cause insufficient cooling.