Upper Control Arm; Lower Control Arm - Polaris 1999 Sportsman 400 Service Manual

REAR SUSPENSION
375
UP PER CONT ROL ARM
Removal/lnstallalion
II
LO W E R CO NT ROL AR M
Removal/Installation
2. Remove the rear wheel on the side to be serviced
as described in this chapter.
3. Remove the bolt, washer and bushing (A, Figure
41) sec uring the stabilizer linkage rod to the upper
control arm. Reins tall the bushing, washe r and bolt
onto the linka ge rod.
4. Remove the bolt (A, Figure 42) and self-locking
nut (8, Figure 42) securing the upper con trol ann to
the rear axle bearing carrier.
5. Remove the bolt (A, Figure 43) and self-locking
nut (8, Figure 43) securing the upper control ann to
the moun ting bracket on the transmission.
6. Remove the bolt (8 , Figure 41) and self-locking
nut securing the upp er contro l ar m to the stab ilizer
support.
7. Remove the upper control arm (C, Figure 4 1)
from the frame .
8. Inspect the upper control ann as described unde r
Upper and Lower Control Arm Inspection in this
chapter.
9. Install by reversing these removal steps while
noting the following:
a. Grease the upper control ann bushings prior
to installatio n. Make sure the bushing s are in
place prior to installation.
b. Install new self-locking nuts.
c. Refer to Ta ble 2 for torque specifications.
d. Grease the upper control arm bushing grease
fittings as described in Chapter Three.
Refer to Figure 40.
I. Remove the rear fender as described in Chapter
Fiftecn.
2. Remove the rear wheel on the side to be serv iced
as described in this chapter.
3. On model s so equipped, remov e the bolts and
lower control arm shield.
4. Remove the bolt and self-locking nut (Figu re
44) securing the shock absorber lower moun t to the
lower control arm.
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7. Rotate both rear axles by hand to make sure they
rotate freely with no binding or roughne ss.
Refer to Figure 40.
I . Remove the rear fender as described in Chapter
Fifteen.
NOTE
The following steps are shown with
the upper control arm removed to
better illustrate the steps.