GMC 1996 Sonoma Owner's Manual page 323

1
Short TripKity Maintenance Schedule
I
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
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.
If you do not
use
y o ~ ~ r
vehicle ltnder crny
o f
these conditions, tlze%fluid and.filter du not
require changing.
Manual transmission fluid doesn't require change.
0
Inspect Positive Crankcase Ventilation
(PCV) valve.
An Emission Control Service.
I
DATE
I
ACTUAL MILEAGE
I S ERVI C ED B Y I
7-31