What is the capacity of r134a in a 1992 gmc suburban with rear air?

The capacity of R134a refrigerant in a 1992 GMC Suburban with rear air conditioning typically ranges from about 2.5 to 3.0 pounds, depending on the specific configuration. It's important to check the vehicle's service manual or a label under the hood for the exact specifications, as variations can exist based on options and modifications. Always ensure proper recovery and charging procedures are followed when servicing the AC system.