1996 GMC Jimmy Owner's Manual - Page 357

100,000 Miles (166 000 km) (Continued) 0Change automatic transmission fluid and filter if the vehicle is mainly driven under one ormore 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. I f .. do not use your vehicle under m y cf you these conditions, the.fZuic1 mulfilter do not require clzanging. * Manual transmission fluid doesn't require change. 0Inspect Positive Crankcase Ventilation (Pcv)valve. An Emission Control Service. 7-46