Black plate (16,1)
DURAMAX Diesel Engine (LML/LGH) - 2011
10-16
Vehicle Care
Then, without shutting off the
engine, follow these steps:
The transmission dipstick is located
near the center of the engine
compartment and will be labeled
with the graphic shown.
See
Engine Compartment Overview
on page 10
‑
4
for more information
on location.
1. Flip the handle up and then pull
out the dipstick and wipe it with
a clean rag or paper towel.
2. Push it back in all the way, wait
3 seconds and then pull it back
out again.
Check both sides of the dipstick,
and read the lower level. The
fluid level must be in the COLD
area for a cold check or in the
HOT or cross
‐
hatched area for a
hot check. Be sure to keep the
dipstick pointed down to get an
accurate reading.
3. If the fluid level is in the
acceptable range, push the
dipstick in all the way, then flip
the handle down to lock the
dipstick in place.
What Transmission Fluid
to Use (Allison
Transmission Only)
Cold Operation
When temperatures are very cold,
the transmission will prevent certain
operations to protect against
damage. The Chart below shows
shift range availability based on
transmission oil temperatures:
.
All shift ranges available at
−
25°C (
−
13°F) or above.
.
2 (Second) and 3 (Third) shift
ranges only at
−
35°C (
−
31°F) to
−
25°C (
−
13°F).
.
2 (Second) shift range only at
−
35°C (
−
31°F) or lower.
Torque converter clutch operation
will also be prevented when air or
transmission oil temperatures are
below certain levels.
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