1994 GMC Suburban Owner's Manual - Page 329

Service ReplacementParf and Filfer Recommendafions -Gas Engines Engine VIN Oil Filter Air Cleaner Filter PCV Valve Spark Plugs*' Fuel Filter Radiator Cap I-Four Wheel Drive Vehicle -use 5.7L K PF12184 A348C cv774c .CR43TS GF48 1 RC36 a PF51 oil filter 7.4L N PF1218 A348C cv774c .CR43TS GF48 1 RC36 *Use AC copper-cored resister type spark plugs Service Replacemenf Parf and FiRer Recommendafions -Diesel Engines Engine VIN Oil Filter Air Cleaner 6.5L S" PF1218 A9 17C TP 1006 RC33 6.5L F* PF1218 A9 17C Fuel Filter Surge Tank Cap *Heavy Duty Emission Engine TP 1006 RC33 Air Conditioning Refrigerants Not all air conditioningrefrigerants are the same. If the air conditioning system in your vehicle needs refrigerant, be sure proper refrigerant is the used. If you're not sure,ask your GM dealer. For additional information, see your "Warranty and Owner Assistance Information" booklet. Air Conditioning Refrigeranf Capacity TYPE Refrigerant R 134A Refrigerant R 134A QTY Front A/C 3.0 lbs. (1 -360 kg) Front and Rear A/C 4.25 Ibs. (1.927 kg) 6-83