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Automatic Transmission Fluid
7
'
~
n
to Check and Change
A
good time to check your automatic transmission fluid
level is when the engine oil is changed.
Change both the fluid and filter every 50,000 miles
(83 000 km) if the vehicle's GVWR is over 8,600 or
if the vehicle is mainly driven under one or more of
these conditions:
0
In heavy city traffic where the outside temperature
0
In hilly or mountainous terrain.
0
When doing frequent trailer towing.
regularly reaches 90°F (32°C) or higher.
0
Uses such as found in taxi, police or delivery service.
If your vehicle's GVWR is not over 8,600 and you do
not use your
vehicle
under any of
these conditions,
the
fluid and filter do not require changing.
See "Scheduled Maintenance Services" i n the Index.
How to Check
Because this operation can be a little difficult, you
may choose to have this done at your GM dealer
Service Department.
If you do it yourself, be sure to follow all the
instructions here, or you could get a false reading on
the dipstick.
NOTICE:
Too much or too little fluid can damage your
transmission. Too much can mean that some of
the fluid could come out and fall on hot engine
parts or exhaust system parts, starting a fire. Be
sure to get an accurate reading if you check your
transmission fluid.
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