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21s - 48
MANUAL-NV3550
MANUAL-NV3550 (Continued)
1 - SNAP RING
2 - FLAT WASHER
3 - WAVE WASHER
4 - THRUST WASHER
5 - REVERSE IDLER GEAR
REVERSE IDLER
(1) Remove idler gear snap rings (Fig. 51).
(2) Remove thrust washer, wave washer, thrust
plate and idler gear from shaft.
(3) Remove idler gear needle bearing from shaft.
ASSEMBLY
Sealers are used at all case joints. Usa Mopar Gas-
ket Maker for all case joints and Mopar silicone
sealer or equivalent, for the input shaft bearing
retainer. Apply these products as indicated in the
assembly procedures.
CAUTION: The transmission shift components must
be in the Neutral position during assembly. This
prevents damage to the synchro and shift compo-
nents when the housings are installed.
SYNCHRONIZER
To assemble each synchro install the springs,
struts and detent balls one at a time as follows:
(1) Slide the sleeve part way onto the hub. Leave
enough room to install the spring in the hub and the
strut in the hub groove.
(2) Install the first spring in the hub. Then install
a strut over the spring. Be sure the spring is seated
in the spring bore in the strut.
(3) Slide the sleeve onto the hub just far enough to
hold the first strut and spring in place.
(4) Place the detent ball in the top of the strut.
Then carefully work the sleeve over the ball to hold
it in place. Use a small flat blade screwdriver to
press the ball into place while moving the sleeve over
it.
2001 JEEP WRANGLER
Fig. 51 REVERSE IDLER COMPONENTS
6 - IDLER GEAR BEARING
7 - IDLER SHAFT
8 - THRUST WASHER
9 - SNAP RING
10 - THRUST WASHER LOCKBALLS
(5) Repeat
springs, struts and balls. Tape or rubber band each
strut and ball to temporarily secure as they are
installed.
(6) Verify synchro springs, struts and detent balls
are all in place (Fig. 52).
1 - SLEEVE
2 - HUB SHOULDER
3 - SPRING (3)
4 - STRUT (3)
5 - DETENT BALL (3)
6 - HUB
the
procedure
Fig. 52 SYNCHRONIZER COMPONENTS
TJ
for
the
remaining
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