How To Check - GMC YUKON DENALI 2000 Manual

How to Check

Because this operation can be a little difficult,
you may choose to have this done at the 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.
6-18
Wait at least 30 minutes before checking the
transmission fluid level if you have been driving:
D
When outside temperatures are above 90
D
At high speed for quite a while.
D
--
In heavy traffic especially in hot weather.
D
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
Get the vehicle warmed up by driving about
15 miles (24 km) when outside temperatures are above
_ _
50 F (10 C). If it's colder than 50
vehicle in THIRD (3) until the engine temperature gage
moves and then remains steady for 10 minutes. Then
follow the hot check procedures.
_ _
F (32 C).
_
C).
_ _
F (10 C), drive the