LIFT FRONT OF VEHICLE AND SECURE WITH
vehicle on a solid level surface
wheel chocks or wooden blocks in front of and behind one of the rear
a floor jack, raise the front of the vehicle
with jack stands
When working underneath 2 tons of metal, you must be certain the
vehicle is secure on the jack stands and that the jack stands are on a
hard level surface. NEVER work underneath a vehicle
secured by a jack only.
DRAIN AND REMOVE TRANSMISSION OIL PAN
From underneath the vehicle,
position a catch "drain" pan underneath the transmission oil
If your transmission has a drain plug, loosen/remove the plug to drain
the fluid. Many transmissions do not have a drain plug so you
will need to remove the fluid pan to drain the fluid. To do
remove the bolts from the front and sides of the oil pan.
loosen the bolts at the rear of the pan. (See
allows the pan to tilt downward on one end so the fluid can
drain. Once most of the fluid has drained, hold the pan level
remove the remaining bolts. Lower the pan and empty the
NOTE: The pan
may require a light tap on the sides with a plastic or rubber mallet to
separate it from the transmission.
CLEAN OLD GASKET
MATERIAL FROM PAN
plastic scraper, scrape the old gasket from the pan. Then
use a wire brush, in needed, to remove any remaining gasket
material. DO NOT gouge the oil pan or transmission mating
surfaces or you may end up with a leak.
brake cleaner or degreaser, clean inside the pan thoroughly.
Clean clutch debris and/or metal flakes from the magnet. Fine
metal flakes is normal but large metal flakes is indicative of
excessive wear of internal parts.
If the magnet is covered with metal - have a transmission technician
check out the transmission at your next opportunity.
EXAMINE PAN FLANGE AND REPAIR IF NEEDED
If the pan bolts have ever been
over-tightened, the area around the
bolt holes will be bent inward. This surface must be flat
otherwise a leak may occur. Follow the procedure shown below
flatten the flange surface of the pan, if needed.
closely around the pan bolt holes. If pan is bent around the
holes, position the pan flange on the edge of a work bench or other
solid surface and tap the area with a hammer to flatten, as shown in
Back underneath the vehicle, remove the screws holding the transmission
fluid filter in place and then pull the filter down and out of the
transmission. The O-ring should be replaced with the new one
comes with the new filter. If your filter uses a "cup" type
instead of an O-ring, you can reuse the seal. Install the new
filter in reverse order. Torque filter mounting bolts
to manufacturer's specifications or tighten snug using a ratchet and
REPLACE TRANSMISSION FLUID
and clean the pan mating surface. This is a "machined"
therefore if the surface needs to be scraped clean, use a plastic
scraper to avoid gouging the surface. Once clean, apply
sealer to the pan flange and press the gasket onto the pan.
Position the pan to the mating surface of the transmission and hand
tighten all the transmission bolts. Tighten transmission pan
bolts in a crisscross pattern - tighten per the manufacturer's bolt
CAUTION: If you do not have the manufacturer's
bolt torque specifications readily available, just tighten the pan
bolts so they are good and snug. Pan bolts are easily
over-tightened and are easily stripped. You must be very
careful not to strip these
work underneath the vehicle is complete. Remove catch pan and
tools from underneath vehicle. Using the floor jack, raise
vehicle slightly and remove the jack stands. Lower vehicle.
FILL TRANSMISSION WITH CLEAN FRESH ATF
In the engine compartment, locate the
transmission dipstick. Pull
the dipstick out of the filler tube and set aside. Insert a
tipped funnel into the filler tube and poor in 3 quarts of transmission
the engine and allow to warm up to normal operating
With the brake pedal depressed, move the shifter lever through all
gears (pausing slightly between each shift) and then back to
Park. With the engine still at idle, check the fluid level
add more fluid as needed.
avoid overfilling, add only a small amount of transmission fluid before
rechecking the level. Repeat until the dipstick shows "Full"
in the "Full Range". If you overfill with fluid, you will
drain some of the fluid out. The easiest way to do this is to
remove one of the transmission cooler lines where it enters the
underneath for leaks and then test drive vehicle. Upon
from the test drive, check for leaks and then check fluid level
again. Adjust fluid level as needed. Mark the date
vehicle mileage in a vehicle maintenance log book for future reference.
a Transmission Estimate online