1999 GMC Envoy Owner's Manual - Page 311

yellowblue Air Conditioning Refrigerants Not all air conditioning refrigerants are the same. If the air conditioning system in your vehicle needs refrigerant, be sure the proper refrigerant is used. If you're not sure, ask your dealer. Vehicle Dimensions Wheelbase ...107.0 inches (271.8 cm) Length ...181.5 inches (460.0 cm) Height ...67.0 inches (170.2 cm) Width ...67.8 inches (172.2 cm) Front Tread ...57.3 inches (145.4 cm) Rear Tread ...55.1 inches (139.9 cm) Normal Maintenance Replacement Parts Replacement part numbers listed in this section are based on the latest information available at the time of printing, and are subject to change. If a part listed in this manual is not the same as the part used in your vehicle when it was built, or if you have any questions, please contact your GMC dealer. Thermostat ...12559051 Oil Filter ...PF52 Air Cleaner Filter ...A1163C PCV Valve ...CV769C Automatic Transmission Filter Kit ...24200796 Spark Plugs ...41-932 Fuel Filter ...GF481 Front Windshield Wiper Blade ...Trico (20 inches/50.8 cm) Backglass Wiper Blade ...Trico (14 inches/35.6 cm) 6-61