STARTING AND DRIVING
ALLISON TRANSMISSION
Transmission Description:
4000 Product Family;
• Dimension 1: 106.7 mm (4.2 in)
• Dimension 2: 76.2 mm (3 in)
• Dimension 3: 66 mm (2.6 in)
• Dimension 4: *
3000 Product Family;
• Dimension 1: 101.6 mm (4 in)
• Dimension 2: 73.7 mm (2.9 in)
• Dimension 3: 50.8 mm (2 in)
• Dimension 4: *
3000 Product Family;
• Dimension 1: 101.6 mm (4 in)
• Dimension 2: 63.5 mm (2.5 in)
• Dimension 3: 45.7 mm (1.8 in)
• Dimension 4: *
•
NOTE
* Dimension determined by installation.
Hot Check
CAUTION
Perform a HOT CHECK at the rst
opportunity after normal operating
temperature
NOTE
Always check uid level with the dipstick
in the unscrewed or loose position.
Hot Check
To complete a HOT CHECK procedure
using the dipstick, do the following:
1. Be sure uid has reached normal
operating temperature of 71-93° C
(160-200° F). If a transmission
temperature gauge is not present,
measure uid level when the engine
water temperature gauge has stabilized.
2. Park the vehicle on a level surface
and shift to N (Neutral).
3. Apply the parking brake and allow the
engine to idle (500–800 rpm).
4. Clean debris from around the end of
the ll tube before removing the dipstick.
5. Remove the dipstick and wipe it
clean.
6. Insert the dipstick into the ll tube,
pushing down until it stops, but still in its
loose or unscrewed position.
7. Remove the dipstick and observe the
uid level. The safe operating level is
anywhere within the HOT RUN band on
the dipstick.
8. If the level is not within the HOT RUN
band, add or drain uid as necessary to
bring the level within the HOT RUN
band.
9. Measure uid level more than once.
Be sure uid level measurements are
consistent. If readings are not
consistent, be sure the transmission
breather is clean and not clogged.
10. If readings are still not consistent,
contact your nearest Allison distributor
or dealer.
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