Chevrolet Express Owner's Manual page 269

4. Let the engine run at idle for
two minutes or more.
Then, without shutting off the
engine, use the steps that follow.
The transmission dipstick is near
the center of the engine
compartment and will be labeled
with the graphic shown.
See
for more information
on location.
1. COLD Range
2. WARM Range
3. HOT Range
1. Flip the handle up, pull out the
dipstick, and wipe it with a clean
rag or paper towel.
2. Push it back in all the way, wait
three seconds, and pull it back
out again.
3. Check both sides of the
dipstick, and read the lower
level. The fluid level must be in
the COLD (1) range for a cold
check, transmission temperature
27°C to 32°C (80°F to 90°F);
between the COLD (1) and
HOT (3) range for a WARM (2)
check, 50°C to 60°C (122°F
to 140°F); or in the HOT (3)
cross-hatched range for a hot
check, 71°C to 93°C (160°F to
200°F). Be sure to keep the
dipstick pointed down to get an
accurate reading.
4. If the fluid level is in the
acceptable range, push the
dipstick back in all the way; then
flip the handle down to lock the
dipstick in place.
Refer to
determine what kind of transmission
fluid to use.
1. WARM Range
2. HOT Range
to