1998 GMC Safari Owner's Manual - Page 330

Rear Axle Capacity standard Rear A x 1 ...3.5 pint (1.7 L) Locking Rear Axle ...3.5 pint (1.7 L) Air Conditioning Refrigerant CaDacit PPe Quantity' R- 134a System C-60** C-69*** 2 lbs. (0.91 kg) 3 lbs. (1.36 kg) Air Conditioning Refriqerants Not all a r conditioning refngerants are the same. i If the air conditioningsystem'in your vehicle needs refrigerant, be sure the proper refrigerant is used. If you're not sure, ask your dealer. Refrigerant should be added only a qualified by A/C technician. R- 134a *All quantities are approximate. **Front A/C only. ***Front and RearN C . NOTICE: R-134a refrigerant is not compatible with R-12 in refrigerant in an air conditioning system, R-12 an R-134a system will cause compressor failure, refrigerant oil sludge or poor air conditioning system performance. I 6-68