Removal; Installation - Polaris Sportsman 850 Service Manual

STEERING / SUSPENSION

REMOVAL

The following procedure details upper and lower A-arm
removal and replacement on one side of the vehicle.
1. Elevate and safely support the rear of the vehicle
and remove the rear wheel.
Upper A-arm Removal
2. Remove the through-bolt fastener attaching the
upper A-arm to the bearing carrier.
3. Remove the through-bolt fastener attaching the
upper A-arm to the frame. Remove A-arm from the
vehicle.
4. Examine A-arm and bearing carrier bushings and
pivot shafts. Replace if worn and discard the
hardware.
CAUTION
The locking agent on the existing bolts was destroyed
during removal. DO NOT reuse old hardware. Serious
injury or death could result if fasteners come loose
during operation.
5. If not replacing the A-arm, thoroughly clean the a-
arm and pivot shafts.
6. Insert new bushings and pivot shafts into new A-arm.
Lower A-arm Removal
7. Remove the through-bolt fastener attaching the
lower A-arm to the bearing carrier.
8. Remove the lower shock fastener from lower A-arm.
9. Remove the brake line retainer from the lower A-arm
(if applicable).
8.24
10. Remove the fastener retaining the stabilizer linkage
to the lower A-arm.
11. Remove through-bolt fasteners attaching lower A-
arm to the frame and remove the A-arm from the
vehicle.
12. Examine A-arm, bearing carrier bushings and pivot
shafts. Replace if worn and discard the hardware.
13. If not replacing the A-arm, thoroughly clean A-arm
and pivot shafts. Insert new bushings and pivot
shafts into the A-arm.

INSTALLATION

1. Install upper and lower A-arm assemblies onto the
vehicle. Torque new fasteners to specification.
TORQUE
New Fasteners:
37 ft-lbs (50 Nm)
2. Grease all (3) A-arm grease fittings after reassembly.
3. Attach lower A-arm to bearing carrier. Torque new
fastener to specification.
TORQUE
New Fastener:
37 ft-lbs (50 Nm)
4. Attach upper A-arm to bearing carrier. Torque new
fasteners to specification. Grease both rear bearing
carrier fittings after reassembly.
TORQUE
New Fasteners:
37 ft-lbs (50 Nm)