Automatic
Transmission
Fluid
When
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
15,000
miles
(25
000
km)
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
con’ditions, change
the
fluid and filter every
100,000
miles
(166
000
km).
See “Scheduled Maintenance Services”
in
the Index.
How
to
Check
Because this operation can be a little difficult, you
may choose to have this done at your Pontiac dealership
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.
Wait at least
30
minutes before checking the
transmission fluid level if
you
have been driving:
When outside temperatures are above
90°F
(32
”
C).
At high speed for quite
a
while.
0
In
heavy traffic
--
especially in hot weather.
0
While pulling a trailer.
To
get the right reading, the fluid should be at normal
operating temperature, which
is
180°F
to
200°F
(82°C
to
93°C).
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