Jeep Wrangler TJ. Manual — part 207
NOTE: This measurement will give you the pinion
shaft or Input Yoke Angle (B).
(9) Subtract smaller figure from larger (C minus
B) to obtain axle Input Operating Angle.
Refer to rules given below and the example in (Fig.
7) for additional information.
• Good cancellation of U-joint operating angles
(within 1°).
• Operating angles less than 3°.
• At least 1/2 of one degree continuous operating
(propeller shaft) angle.
Fig. 7 UNIVERSAL JOINT ANGLE EXAMPLE
1 - 4.9° Angle (C)
2 - 3.2° Angle (B)
3 - Input Yoke
4 - 3.0° Angle (A)
5 - Output Yoke
Fig. 6 INPUT YOKE ANGLE (B)
1 - PINION YOKE BEARING CAP
2 - INCLINOMETER
TJ
PROPELLER SHAFT
3 - 5
PROPELLER SHAFT (Continued)
ADJUSTMENTS
The pinion angle of the front axle can be adjusted
by the use of adjustment cams in the lower suspen-
sion arms (Fig. 8). The primary function of the cams
is to adjust caster angle for alignment of the front
suspension. When using the cams to adjust pinion
angle, make sure that both cams are moved equally.
After pinion angle is adjusted, the front suspension
alignment should be checked to ensure that side-to-
side caster is with in acceptable range. Having the
correct pinion angle does have priority over having
the preferred caster angle.
A cam kit is available for the rear axle upper sus-
pension arms in order to provide adjustablity of the
pinion angle. Follow the procedures supplied with the
kit in order to ensure a safe installation.
SPECIFICATIONS
PROPELLER SHAFT
TORQUE SPECIFICATIONS
DESCRIPTION
N·m
Ft. Lbs.
In. Lbs.
Front Shaft Front Yoke
Bolts
19
14
-
Front Shaft Rear Flange
Bolts
27
20
-
Rear Saft Rear Yoke Bolts
19
14
-
Rear Shaft Transfer Case
Flange Bolts
115
85
-
Fig. 8 ADJUSTMENT CAM
1 - ADJUSTMENT CAM
2 - AXLE BRACKET
3 - BRACKET REINFORCEMENT
4 - LOWER SUSPENSION ARM
3 - 6
PROPELLER SHAFT
TJ
PROPELLER SHAFT (Continued)
SPECIAL TOOLS
PROPELLER SHAFT - FRONT
REMOVAL
(1) With vehicle in neutral positon vehicle on hoist.
(2) Remove skid plate if equipped to gain access to
the propeller shaft.
(3) Mark a line across the transfer case yoke, link
yoke and propeller shaft yoke for installation refer-
ence (Fig. 9).
(4) Remove U-joint strap bolts at the pinion shaft
yoke (Fig. 10).
(5) Remove transfer case yoke bolts.
(6) Push rear of propeller shaft forward to clear
transfer case yoke.
(7) Remove propeller shaft from vehicle.
INSTALLATION
(1) Install propeller shaft with reference marks
aligned.
(2) Loosely install bolts to hold universal joint to
transfer case yoke.
(3) Install U-joint strap bolts at the axle yoke and
tighten to 19 N·m (14 ft. lbs.).
(4) Install universal joint to transfer case bolts and
tighten to 27 N·m (20 ft. lbs.).
PROPELLER SHAFT - REAR
REMOVAL
(1) With vehicle in neutral, position vehicle on
hoist.
(2) Mark a line across the shaft and at each end of
the propeller shaft for installation reference.
(3) Remove U-joint strap bolts, at pinion shaft
yoke.
(4) Pry open clamp, holding dust boot to propeller
shaft yoke (Fig. 11).
INCLINOMETER 7663
Fig. 9 YOKE REFERENCE MARKS
1 - REFERENCE MARKS
Fig. 10 FRONT PROPELLER SHAFT
1 - FRONT AXLE
2 - BOOT
3 - PROPELLER SHAFT
4 - CV-JOINT
5 - TRANSFER CASE
6 - BOOT
7 - SLINGER
8 - CLAMP
9 - YOKE
Fig. 11 DUST BOOT CLAMP
1 - SLINGER
2 - BOOT
3 - AWL
4 - TRANSFER CASE
TJ
PROPELLER SHAFT
3 - 7
PROPELLER SHAFT (Continued)
(5) Slide slip yoke off of transmission/transfer case
output shaft and remove propeller shaft (Fig. 12).
INSTALLATION
(1) Slide slip yoke on transmission/transfer case
output shaft. Align installation reference marks at
axle yoke and install propeller shaft.
(2) Install U-joint strap bolts at axle yoke and
tighten to 19 N·m (14 ft. lbs.).
(3) Tighten clamp with Clamp Tool C-4975A to
hold dust boot to propeller shaft yoke (Fig. 13).
PROPELLER SHAFT - REAR
RUBICON
REMOVAL
(1) With vihicle in neutral, postion vehicle on
hoist.
(2) Mark reference lines across the pinion yoke,
transfer case flange and propeller shaft for installa-
tion reference.
(3) Remove transfer case flange bolts (Fig. 14) and
U-joint strap bolts at the pinion shaft yoke.
(4) Remove propeller shaft from vehicle.
Fig. 12 REAR PROPELLER SHAFT
1 - CLAMP
2 - YOKE
3 - PROPELLER SHAFT
4 - AXLE YOKE
5 - CLAMP
6 - OUTPUT SHAFT
7 - BOOT
Fig. 13 CRIMPING DUST BOOT CLAMP
1 - CLAMP TOOL
2 - SLINGER
3 - BOOT
4 - CLAMP
Fig. 14 TRANSFER CASE FLANGE
1 - REAR PROPELLER SHAFT
2 - REFERENCE MARK
3 - TRANSFER CASE FLANGE
3 - 8
PROPELLER SHAFT
TJ
PROPELLER SHAFT - REAR (Continued)
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