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384 SERVICING AND MAINTENANCE
Use the following procedure to check the
transmission fluid level properly:
1. Monitor the transmission temperature using
the instrument cluster display, and operate
the vehicle as required to reach the normal
operating temperature. If the transmission is
not functioning properly, or the vehicle cannot
be driven, see the NOTE and CAUTION below
about checking the fluid level at colder
temperatures.
2. Park the vehicle on level ground.
3. Run the engine at normal idle speed for at
l
east 60 seconds, and leave the engine
running for the rest of this procedure.
4. Fully apply the parking brake, and press the
b
rake pedal.
5. Place the gear selector momentarily into each
gear position (allowing time for the
transmission to fully engage in each position),
ending with the transmission in PARK.
6. Remove the dipstick, wipe it clean and reinsert
it until seated.
7. Remove the dipstick again and note the fluid
level on both sides. The fluid level reading is
only valid if there is a solid coating of oil on
both sides of the dipstick. Note that the holes
in the dipstick will be full of fluid if the actual
level is at or above the hole. The fluid level
should be between the “HOT” (upper)
reference holes on the dipstick at normal
operating temperature. If the fluid level is low,
add fluid through the dipstick tube to bring it to
the proper level.
Do not overfill. Use ONLY the
specified fluid
Ú page 433. After adding any
quantity of oil through the dipstick tube, wait a
m
i
nimum of two minutes for the oil to fully
drain into the transmission before rechecking
the fluid level.
NOTE:
If it is necessary to check the transmission below
th
e operating temperature, the fluid level should
be between the two “COLD” (lower) holes on the
dipstick with the fluid at 60-70°F / 16-21°C. Only
use the COLD region of the dipstick as a rough
reference when setting the fluid level after a trans
-
mission service or fluid change. Re-check the fluid
l
evel, and adjust as required, once the trans-
mission reaches normal operating temperature.
8. R
einsert the dipstick. Check for leaks. Release
t
he parking brake.
NOTE:
If it is necessary to check the transmission below
th
e operating temperature, the fluid level should
be between the two COLD (lower) holes on the
dipstick with the fluid at 68-86°F / 20-30°C. Only
use the COLD region of the dipstick as a rough
reference when setting the fluid level after a trans
-
mission service or fluid change. Re-check the fluid
l
evel, and adjust as required, once the trans-
mission reaches normal operating temperature.
Fluid And Filter Changes — 8-Speed
Transmission
Under normal operating conditions, the fluid
installed at the factory will provide satisfactory
lubrication for the life of the vehicle.
Routine fluid and filter changes are not required.
Howe
ver, change the fluid and filter if the fluid
becomes contaminated (with water, etc.), or if the
transmission is disassembled for any reason.
CAUTION!
If the fluid temperature is below 50°F (10°C) it
may not register on the dipstick. Do not add fluid
until the temperature is elevated enough to
produce an accurate reading. Run the engine at
idle, in PARK, to warm the fluid.
CAUTION!
If the fluid temperature is below 50°F (10°C) it
may not register on the dipstick. Do not add fluid
until the temperature is elevated enough to
produce an accurate reading. Run the engine at
idle, in PARK, to warm the fluid.
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