Chevrolet EXPRESS - 2011 Manual page 286

Refer to
determine what kind of transmission
fluid to use.
Using a funnel, add fluid down the
transmission dipstick tube only after
checking the transmission fluid
while it is hot. A cold check is used
only as a reference. If the fluid level
is low, add only enough of the
proper fluid to bring the level up to
the HOT area for a hot check.
It does not take much fluid,
generally less than 0.5 L (1 pt).
Do not overfill.
After adding fluid, recheck the
fluid level as described under
How to Check Automatic
Transmission Fluid, earlier in
to
this section.
When the correct fluid level is
obtained, push the dipstick back
in all the way; then flip the
handle down to lock the
dipstick in place.
It is usually not necessary to
check the transmission fluid level.
The only reason for fluid loss is a
transmission leak or overheating
the transmission. If a small leak is
suspected, use the following
procedures to check the fluid level.
However, if there is a large leak,
then it may be necessary to have
the vehicle towed to a dealer
service department and have it
repaired before driving the
vehicle further.
Change the fluid and filter at the
intervals listed in
sure to use the transmission fluid
listed in
Because this operation can be
difficult, it is recommended to
have this check done at the
dealer service department, which
can monitor the transmission
temperature. The transmission fluid
level increases with temperature.
To obtain a highly accurate fluid
level check, the transmission
temperature must be measured.
If it is decided to check the fluid
level, be sure to follow all the
instructions here, or a false reading
on the dipstick may occur.
, and be
.