2003 JEEP GRAND CHEROKEE Workshop Manual

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Page 1497 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual PITMAN SHAFT
REMOVAL
(1) Clean exposed end of pitman shaft and housing
with a wire brush.
(2) Rotate the stub shaft with a wrench (Fig.
5)from stop to stop and count the number of turns.
(3) Center th

Page 1498 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual (2) Install lower pitman shaft bearing with the
other side Driver 8294 and Handle C-4171 (Fig. 11).
Drive bearing into housing until the bearing shoulder
is seated against the housing.
(3) Coat the oi

Page 1499 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual PITMAN SHAFT BEARING
REMOVAL
(1) Clean exposed end of pitman shaft and housing
with a wire brush.
(2) Rotate the stub shaft with a wrench (Fig.
5)from stop to stop and count the number of turns.
(3) C

PITMAN SHAFT BEARING
REMOVAL
(1) Clean exposed end of pitman shaft and housing
with a wire brush.
(2) Rotate the stub shaft with a wrench (Fig.
5)from stop to stop and count the number of turns.
(3) Center the stub shaft by rotating it from the
stop 1/2 of the total amount of turns.
NOTE: The pitman shaft will not clear the housing if
it is not centered.
(4) Remove pitman shaft cover bolts and remove
the shaft assembly (Fig. 6).
(5) Remove pitman shaft cover o-ring.
(6) Remove pitman shaft dust seal from the hous-
ing with a Puller 7794-A and Slide Hammer C-637
(Fig. 7).
(7) Remove the pitman shaft oil seal retaining ring
with snap ring pliers (Fig. 8).
(8) Remove oil seal metal backup washer then
plastic backup washer from the housing (Fig. 12).
(9)
Remove pitman shaft oil seal from the housing
with a Puller 7794-A and Slide Hammer C-637 (Fig. 7).
(10) Drop Driver 8277 through the top bearing and
align the driver up with the lower bearing. (Fig. 9).
Install Handle C-4171 into the driver and remove the
lower bearing.
(11) Turn the gear over and remover the upper
bearing with Driver 8277 and Handle C-4171.
INSTALLATION
(1) Install upper pitman shaft bearing, with Driver
8294 and Handle C-4171 (Fig. 10). Drive bearing into
housing until the driver bottoms out.NOTE: Install upper pitman shaft bearing with the
part number/letters facing the driver.
(2) Install lower pitman shaft bearing with the
other side Driver 8294 and Handle C-4171 (Fig. 11).
Drive bearing into housing until the bearing shoulder
is seated against the housing.
(3) Coat the oil seal and backup washers withspe-
cial greasesupplied with the new seal.
(4) Install the oil seal with Driver 8294 and Han-
dle C-4171.
(5) Install plastic backup washer.
NOTE: The plastic backup washer has a lip on the
inside diameter that faces down towards the oil
seal.
(6) Install metal backup washer.
(7) Install the retainer ring with snap ring pliers.
(8) Coat the dust seal withspecial greasesup-
plied with the new seal.
(9) Install dust seal with Driver 8294 and Handle
C-4171.
(10) Install new pitman shaft cover o-ring.
(11) Install pitman shaft assembly into the hous-
ing.
(12) Install cover bolts and tighten to 62 N´m (46
ft. lbs.).
(13) Perform over-center rotation torque adjust-
ment.
PITMAN SHAFT SEAL
REMOVAL
(1) Clean exposed end of pitman shaft and housing
with a wire brush.
(2) Rotate the stub shaft with a wrench (Fig.
5)from stop to stop and count the number of turns.
(3) Center the stub shaft by rotating it from the
stop 1/2 of the total amount of turns.
NOTE: The pitman shaft will not clear the housing if
it is not centered.
(4) Remove pitman shaft cover bolts and remove
the shaft assembly (Fig. 6).
(5) Remove pitman shaft cover o-ring.
(6) Remove pitman shaft dust seal from the hous-
ing with a Puller 7794-A and Slide Hammer C-637
(Fig. 7).
(7) Remove the pitman shaft oil seal retaining ring
with snap ring pliers (Fig. 8).
(8) Remove oil seal metal backup washer then
plastic backup washer from the housing (Fig. 12).
Fig. 12 Backup Washers
1 - METAL BACK UP WASHER
2 - PLASTIC BACK UP WASHER
19 - 22 GEARWJ

Page 1500 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual (9) Remove pitman shaft oil seal from the housing
with a Puller 7794-A and Slide Hammer C-637 (Fig.
7).
(10) Drop Driver 8277 through the top bearing and
align the driver up with the lower bearing. (F

(9) Remove pitman shaft oil seal from the housing
with a Puller 7794-A and Slide Hammer C-637 (Fig.
7).
(10) Drop Driver 8277 through the top bearing and
align the driver up with the lower bearing. (Fig. 9).
Install Handle C-4171 into the driver and remove the
lower bearing.
(11) Turn the gear over and remover the upper
bearing with Driver 8277 and Handle C-4171.
INSTALLATION
(1) Install upper pitman shaft bearing, with Driver
8294 and Handle C-4171 (Fig. 10). Drive bearing into
housing until the driver bottoms out.
NOTE: Install upper pitman shaft bearing with the
part number/letters facing the driver.
(2) Install lower pitman shaft bearing with the
other side Driver 8294 and Handle C-4171 (Fig. 11).
Drive bearing into housing until the bearing shoulder
is seated against the housing.
(3) Coat the oil seal and backup washers withspe-
cial greasesupplied with the new seal.
(4) Install the oil seal with Driver 8294 and Han-
dle C-4171.
(5) Install plastic backup washer.
NOTE: The plastic backup washer has a lip on the
inside diameter that faces down towards the oil
seal.
(6) Install metal backup washer.
(7) Install the retainer ring with snap ring pliers.
(8) Coat the dust seal withspecial greasesup-
plied with the new seal.
(9) Install dust seal with Driver 8294 and Handle
C-4171.
(10) Install new pitman shaft cover o-ring.
(11) Install pitman shaft assembly into the hous-
ing.
(12) Install cover bolts and tighten to 62 N´m (46
ft. lbs.).
(13) Perform over-center rotation torque adjust-
ment.
RACK PISTON/VALVE
ASSEMBLY
REMOVAL
(1) Remove the steering gear (Refer to 19 -
STEERING/GEAR - REMOVAL).
(2) Clean exposed end of pitman shaft and housing
with a wire brush.
(3) Rotate the stub shaft with a wrench (Fig.
5)from stop to stop and count the number of turns.(4) Center the stub shaft by rotating it from the
stop 1/2 of the total amount of turns.
NOTE: The pitman shaft will not clear the housing if
it is not centered.
(5) Remove pitman shaft cover bolts and remove
the shaft assembly (Fig. 6).
(6) Remove the pitman shaft cover o-ring.
(7) Remove stub shaft housing bolts (Fig. 13).
(8) Remove the housing from the stub shaft (Fig.
14).
Fig. 13 Stub Shaft Housing
1 - STUB SHAFT HOUSING
2 - BOLTS
3 - STUB SHAFT
Fig. 14 Housing Removal
1 - STEERING GEAR
2 - STUB SHAFT HOUSING
WJGEAR 19 - 23
PITMAN SHAFT SEAL (Continued)

Page 1501 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual (9) Remove stub shaft housing o-rings (Fig. 15).
(10) Remove the rack piston/valve assembly retain-
ing ring with snap ring pliers (Fig. 16).(11) Pull the rack piston/valve assembly out of the
gear ho

Page 1502 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual INSTALLATION
(1) Lubricate new o-ring and teflon rings with
power steering fluid and install on the rack piston/
valve assembly.
(2) Lubricate the rack piston/valve assembly with
power steering fluid.

Page 1503 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual LINKAGE
TABLE OF CONTENTS
page page
LINKAGE
DESCRIPTION
STEERING LINKAGE ± RIGHT HAND DRIVE
(RHD) VEHICLES......................26
DESCRIPTION........................26
SPECIFICATIONS
TORQUE CHART...

LINKAGE
TABLE OF CONTENTS
page page
LINKAGE
DESCRIPTION
STEERING LINKAGE ± RIGHT HAND DRIVE
(RHD) VEHICLES......................26
DESCRIPTION........................26
SPECIFICATIONS
TORQUE CHART......................28
SPECIAL TOOLS
STEERING LINKAGE...................28
DAMPER
DESCRIPTION.........................28
OPERATION...........................28
REMOVAL.............................28
INSTALLATION.........................29
DRAG LINK
DESCRIPTION.........................29OPERATION...........................29
REMOVAL.............................29
INSTALLATION.........................29
PITMAN ARM
DESCRIPTION.........................29
OPERATION...........................29
REMOVAL.............................29
INSTALLATION.........................30
TIE ROD END
DESCRIPTION.........................30
OPERATION...........................30
REMOVAL.............................30
INSTALLATION.........................30
LINKAGE
DESCRIPTION
STEERING LINKAGE ± RIGHT HAND DRIVE
(RHD) VEHICLES
Vehicles equipped with right hand drive (RHD)
steering utilize the same components of left hand
drive vehicles. The RHD Steering linkage is designed
as a mirror image of left hand drive linkage with the
exception of the steering damper (Fig. 1), which is
mounted on the same side of the vehicle weather
RHD or LHD. See figure below for reference. All
specifications are the same as LHD. Refer to Group
19, Steering of the gasoline engine service manual for
additional information.
DESCRIPTION
The steering linkage consists of a pitman arm,
drag link, tie rod, and steering dampener (Fig. 2) .
An adjustment sleeve on the tie rod is used to set
wheel toe position. The sleeve on the drag link is
used for steering wheel centering.
CAUTION: If any steering components are replaced
or serviced an alignment must be performed, to
ensure the vehicle meets all alignment specifica-
tions.
CAUTION: Components attached with a nut and cot-
ter pin must be torqued to specification. Then if the
slot in the nut does not line up with the cotter pin
hole, tighten nut until it is aligned. Never loosen the
nut to align the cotter pin hole.
19 - 26 LINKAGEWJ

Page 1504 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual Fig. 1 Right Hand Drive Steering Linkage
1 - PITMAN ARM
2 - STEERING DAMPENER
Fig. 2 Steering Linkage
1 - DRAG LINK
2 - PITMAN ARM
3 - TIE ROD END
4 - TIE ROD
5 - DAMPER
6 - TIE ROD END
WJLINKAGE 19 -

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