Jeep Cherokee (XJ): Output shaft rear bearing. Governor and park gear. Park lock

Output shaft rear bearing

REMOVAL

(1) Remove extension housing.

(2) Remove snap ring that retains rear bearing on output shaft (Fig. 84).

(3) Remove bearing from output shaft.

INSTALLATION

(1) Install bearing on output shaft. Be sure retaining ring groove in outer circumference of bearing is toward the governor.

(2) Install rear bearing retaining snap ring (Fig.

84).

(3) Install extension housing.

Fig. 84 Output Shaft Rear Bearing-Typical
Fig. 84 Output Shaft Rear Bearing-Typical

1 - BEARING SNAP RING GROOVE
2 - PARK LOCK CONTROL ROD
3 - REAR SNAP RING

Governor and park gear

REMOVAL

(1) Hoist and support vehicle on safety stands.

(2) Mark propeller shaft and axle yoke for assembly reference. Then disconnect and remove shaft.

(3) Disconnect parking brake cable at equalizer and disconnect exhaust components as necessary.

(4) Support transmission on a suitable lifting device.

(5) Remove skid plate and rear transmission mount.

(6) Remove extension housing.

(7) Loosen but do not remove bolts that hold governor body to park gear.

(8) Rotate transmission output shaft until governor weight assembly is accessible.

(9) Remove E-clip at end of governor valve shaft (Fig. 85).

Fig. 85 Governor Valve
Fig. 85 Governor Valve

1 - E-CLIP
2 - PARK GEAR
3 - CURVER BOSS
4 - GOVERNOR VALVE
5 - GOVERNOR

(10) Remove governor valve and shaft from governor body (Fig. 85).

(11) Remove snap rings and spacer that retain governor body and park gear assembly on output shaft (Fig. 86).

(12) Remove bolts holding governor body to park gear (Fig. 87).

(13) Separate governor from park gear.

(14) Pull park gear from rear support.

Fig. 86 Snap Rings And Spacer
Fig. 86 Snap Rings And Spacer

1 - GOVERNOR BODY
2 - THIN SNAP RING
3 - THRUST WASHER
4 - THICK SNAP RING

Fig. 87 Governor Body
Fig. 87 Governor Body

1 - GOVERNOR/PARK ASSEMBLY
2 - GOVERNOR VALVE SHAFT BORE
3 - REAR SUPPORT
4 - OUTPUT SHAFT SPLINES
5 - SEAL RINGS

INSTALLATION

(1) Install park gear into rear support so crown on curved boss is in line with hole through output shaft.

(2) Install governor filter in park gear.

(3) Slip governor body over output shaft and align port to filter.

(4) Install bolts to hold governor body to park gear.

Tighten bolts to 11 N·m (95 in. lbs.) torque (Fig. 87).

(5) Install governor body-park gear snap rings and washer on output shaft as follows: (a) Install thin snap ring first. Then install thrust washer second, and thick snap ring last (Fig. 86).

(b) Verify correct position of snap rings. Be sure flat side of each snap ring is toward governor body.

(6) Insert governor valve and shaft through governor and install E-clip (Fig. 85).

(7) Install extension housing and gasket on transmission.

Tighten housing bolts to 32 N·m (24 ft. lbs.).

(8) Install rear transmission mount and skid plate.

(9) Install speed sensor and speedometer components and connect speed sensor wires.

(10) Connect exhaust components and brake cable, if removed.

(11) Install propeller shaft.

(12) Remove supports and lower vehicle.

(13) Check transmission fluid level. Add fluid if necessary.

Park lock

REMOVAL

(1) Raise vehicle and remove propeller shaft.

(2) Remove extension housing.

(3) Slide sprag shaft out of extension housing and remove sprag and spring (Fig. 88).

(4) Remove snap ring and slide reaction plug and pin assembly out of housing.

(5) If park rod requires service, it will be necessary to remove valve body.

INSTALLATION

(1) Inspect sprag shaft for scores and free movement in housing and sprag. Inspect sprag and control rod springs for distortion and loss of tension. replace worn, damaged parts as necessary.

(2) Inspect square lug on sprag for broken edges.

Check lugs on park gear for damage. Inspect knob on end of control rod for wear grooves, or being seized on rod. Replace rod if bent, if knob is worn/grooved, or it has seized on rod. Replace park gear if lugs are damaged. Replace the park lock rod if it is suspected that the rod is not the correct length.

(3) Install reaction plug and pin assembly in housing and secure with new snap ring (Fig. 88).

(4) Position sprag and spring in housing and insert sprag shaft. Be sure square lug on sprag is toward park gear. Also be sure spring is positioned so it moves sprag away from gear.

(5) Install extension housing.

(6) Install propeller shaft and lower vehicle.

(7) Check transmission fluid level. Add fluid if necessary.

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