User Manual - Page 350

For 2019 FORD F-450.

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Refer to your scheduled maintenance
information for scheduled intervals for fluid
checks and changes. Your transmission
does not consume fluid. However, if the
transmission slips, slowly shifts or if you
notice a sign of leaking fluid, contact an
authorized dealer.
Checking Automatic Transmission
Fluid (If Equipped)
For scheduled intervals of the fluid checks
and changes, See Scheduled
Maintenance (page 580). Your
transmission does not consume fluid.
However, the fluid level should be checked
if the transmission is not working properly,
i.e., if the transmission slips or shifts slowly
or if you notice some sign of fluid leakage.
Automatic transmission fluid expands
when warmed. To obtain an accurate fluid
check, drive the vehicle until it is at normal
operating temperature (approximately
19 mi (30 km)). Verify that the
transmission fluid temperature gauge,
located on the instrument cluster, is within
normal range.
1. Drive the vehicle 19 mi (30 km) until it
reaches normal operating temperature.
2. Park the vehicle on a level surface and
engage the parking brake.
3. With the engine running, parking brake
engaged and your foot on the brake
pedal, move the gearshift lever through
all of the gear ranges. Allow sufficient
time for each gear to engage.
4. Latch the gearshift lever in park (P) and
leave the engine running.
5. Remove the dipstick, wiping it clean
with a clean, dry lint free rag. If
necessary, refer to the Under Hood
Overview in this chapter for the
location of the dipstick.
6. Install the dipstick making sure it is fully
seated in the filler tube.
7. Remove the dipstick and inspect the
fluid level. The fluid should be in the
designated area for normal operating
temperature or ambient temperature.
Low Fluid Level
Type A
E163739
Type B
E163740
Do not drive the vehicle if there is no
indication of fluid on the dipstick and the
ambient temperature is above 50°F
(10°C).
Correct Fluid Level
Type A
347
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201804, Fourth-Printing
Maintenance
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