Owner Checks And Services - Chevrolet 2007 HH7 Owner's Manual

(h) Change automatic transaxle 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.
If you do not use your vehicle under any of these
conditions, the fluid and filter do not require
changing.
(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 306 for what to use. Inspect
hoses. Clean radiator, condenser, pressure cap,
and filler neck. Pressure test the cooling
system and pressure cap.
(j) 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.
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(k) If you drive regularly under dusty conditions,
inspect the filter at each engine oil change.
(l) If you drive regularly under dusty conditions,
the filter may require replacement more often.
(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 403.