1996 Chevrolet Tahoe Owner's Manual - Page 361
1996 Chevrolet Tahoe Manual
Page 361 highlights
I Long TriplHighway Maintenance Schedule -- Gasoline Engines 1 ~~ I 45,000 Miles (75 000 knz) (Continued) 50,000 Miles (83 000 km) 0Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where the outside temperature regularly reaches 90 F (32 O C ) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. O 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 a Noise Emission Control Service. Applicable only to vehicles sold in the United States. I f you do not use your vehicle under any of these conditions, the fluid and filter do not require changing. DATE ACTUAL MILEAGE SERVICED BY: 7-34