1996 GMC Savana Van Owner's Manual - Page 331

0If your engine has a thermostatically controlled cooling fan, inspect all hoses and ducts for proper hook-up (or every 12 months, whichever occurs first). Be sure the valve works properly.This is CI Noise Emissim Control Service. Applicurhle O M I ~ to whicles sold ir? the United States. Change automatic transmission fluid and filter if the vehicle's GVWR is over 8600 Ibs. or if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where the outside temperature regularly reaches 90 O F (32°C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. DATE ACTUAL MILEAGE SERVICED BY I DATE I ACTUAL MILEAGE ISERVICED BYI 7-35