(h) Change automatic transaxle ﬂuid 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
(i) Drain, ﬂush, and reﬁll cooling system. This service
can be complex; you should have your dealer perform
this service. See Engine Coolant on page 5-21 for
what to use. Inspect hoses. Clean radiator, condenser,
pressure cap, and ﬁller neck. Pressure test the
cooling system and pressure cap.
(j) Check system for interference or binding and for
damaged or missing parts. Replace parts as needed.
Replace any components that have high effort or
excessive wear. Do not lubricate accelerator or cruise
(k) A ﬂuid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired
and the ﬂuid level checked. Add ﬂuid if needed.
(l) If you drive regularly under dusty conditions, inspect
the ﬁlter at each engine oil change.
(m) Visually inspect belt for fraying, excessive cracks, or
obvious damage. Replace belt if necessary.
Owner Checks and Services
These owner checks and services should be performed
at the intervals speciﬁed to help ensure the safety,
dependability, and emission control performance of your
vehicle. Your GM Goodwrench
dealer can assist you
with these checks and services.
Be sure any necessary repairs are completed at once.
Whenever any ﬂuids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
in Recommended Fluids and Lubricants on page 6-12.