Chapter 7 Part A Manual transmission
2wD i
EXTENSION HOUSING
2.13 Exploded view of the speedometer driven gear assembly
i
Spring pin 4 O-ring
2.6 A slide hammer with a special seal puller may be 2 Drivengear
5 O-ring
required to remove the oil seal 3
Housing
3.3 Shift lever details
1 Shift knob 4 Stopper plate
2 Shifter boot p/ate 5 Gasket
3 Gasket 6 Shift lever
2 Oil seals - replacement
Refer to illustrations 2.6 and 2,13
1
Oil leaks frequently occur due to wear of the extension housing oil
seal and/or the speedometer drive gear oil seal and O-ring. Repfacement
of these seals is relatively easy, since the repairs can usually be performed
without removing the transmrssion or transfer case (4WD models) from-.-~
the vehicle.
2 The extension housing oil seal is located at the extreme rear of the
transmission or transfer case, where the driveshaft is attached. If leakage
at the seal is suspected, raise the vehicle and support It securely on fack-
stands. ff the seal is leaking, transmission lubricant will be built up on the
front ofthe driveshaft and may be dripping from the rear of the transmis-
sion or transfer case.
3 Refer to Chapter 8 and remove the driveshaft.
4 Using a soft-faced hammer, carefully tap the dust shield (if equipped)-
to the rear and remove it from the transmission. Be careful not to distort it.
5 Using a screwdriver or pry bar, carefully pry the oil seal out of the rear
of the transmission or transfer case. Do not damage the splines on the
transmission output shaft.
6 If the oil seal cannot be removed with a screwdriver or pry bar, a spe-
cial oil seal removal tool (available at auto parts stores) will be required
(see illustration).
7 Using a large section of pipe or a very large deep socket as a drift,
install the new oil seal. Drive it into the bore squarely and make sure it’s_
completely seated.
8 Reinstall the dust shield (if equipped) by carefully tapping it into place.
Lubricatethe splines of the transmission output shaft andthe outside of
the driveshaft sleeve yoke with lightweight grease, then install the drive-
shaft. Be careful not to damage the lip of the new seal.
0 The speedometer gear housing is located on the side of the extension _
housing. Look for transmission lubricant around the housing to determIne-~_
if the O-rings are leaking.
IO Unscrew the speedometer cable casing from the speedometer gear
housing.
11 Mark the relationship of the speedometer gear housing to the exten-
sion housing.
12 Remove the bolt and withdraw the housing.
13 Install a new O-ring on the driven gear shaft and on th-e housing. then T
reinstall the housing (see illustration).
3 Shift lever - removal and installation
Refer to illustration 3.3
Removal
1 Disconnect the negative cable from the battery.
2 If your vehicle is equipped with a center console, remove it (see Chap-
ter 11).
3 Removethescrewsthatattachtheshifterbqotplatetothetunnel(see
illustration). Lift off the plate and pull back the rubber boot.Jt has a lip that
frts over the sheetmetal of the tunnel; take care not to tear the boot as you
_
pull it back.
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