Manual Transmission Lubricant Change; Differential Lubricant Change - Jeep cherokee 1989 Owner's Manual

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SCREWS
34.10 The automatic transmission fluid filter is held i n
place by three screws (three-speed transmission shown)
10 Remove the filter from the transmission valve body (see illus-
tration).
11 Install a new filter.
12 Make sure the gasket surface on the transmission pan is clean,
then install a new gasket. Put the pan in place against the transmission
and, working around the pan, tighten each bolt a little at a time until
the final torque figure is reached.
13 Lower the vehicle and add the specified amount of automatic trans-
mission fluid through the filler tube (Section 6 ) .
1 4 With the transmission in Park and the parking brake set, run the
engine at a fast idle, but don't race
15 Move the gear selector through each range and back to Neutral,
Check the fluid level.
16 Check under the vehicle for leaks during the first few trips.

3 5 Manual transmission lubricant change

1
Raise the vehicle and support it securely on jackstands,
2
Move a drain pan, rags, newspapers and wrenches under the trans-
mission.
Remove the transmission drain plug at the bottom of the case (see
3
illustration 16.1) and allow the oil t o drain into the pan.
4 After the oil has drained completely, reinstall the plug and tighten
securely.
it
5 Remove the fill plug from the side of the transmission case. Using
a hand pump, syringe or funnel, fill the transmission with the correct
amount of the specified lubricant. Reinstall the fill plug and tighten it
securely.
6 Lower the vehicle.
7 Drive the vehicle for a short distance then check the drain and fill
plugs for leakage.

3 6 Differential lubricant change

Refer to illustrations 36.6a, 36.6b, 3 6 . 6 ~ and 36.8
1
Some differentials can be drained by removing the drain plug, while
on others it's necessary to remove the cover plate on the differential
housing. As an alternative, a hand suction pump can be used t o remove
the differential lubricant through the filler hole. If the gasket is leaking
or there is no drain plug and a suction pump isn't available, be sure
to obtain a new gasket at the same time the gear lubricant is purchased.
2
Raise the vehicle and sumort it securelv on iackstands. Move a
drain pan, rags, newspapers' i n d wrenches under the vehicle.
The Motor Manual Guy
Chapter 1 Tune-up and routine maintenance
FILTER
it.
,
,
. . .
then loosen the top bolts and let the lubricant
drain out
the cover
. . .