GMC 1996 Jimmy Owner's Manual page 349

I
Long Tripmighway Maintenance Schedule
I
50,000 Miles (83 000 km)
Change 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°C) or higher.
-
In hilly or mountainous terrain.
-
When doing frequent trailer towing.
-
Uses such as found in taxi, police or
delivery service.
DATE SERVICED B Y ACTUAL MILEAGE
7-38