A/C - Revised Refrigerant & Oil Capacity

Number: 92-298-1B
Section: 1B
Date: SEPT. 1992
Corporate Bulletin No.: 261209
ASE No: A7

Subject:
REFRIGERANT AND OIL CAPACITY

Model and Year:
1992 C/K TRUCKS

SERVICE UPDATE

The air conditioning system refrigerant and oil requirements have been revised as shown below:

1. Refrigerant - 12
Pickup Models - 1.134 kg (2.5 lbs.)
Crew Cab, Suburban, and Utility Models - 1.361 kg (3.0 lbs.)
Suburban Models with Aux. A/C - 1.928 kg (4.25 lbs.)

2. 525 Viscosity Refrigerant Oil
Without Aux. A/C - 240 ml (8 fl. oz.)
With Aux. A/C - 330 ml (11 fl. oz.)

Overcharging a system may allow liquid Refrigerant - 12 to get into the compressor, causing compressor noise and damage. Undercharging will cause insufficient cooling