Radiator; Coolant Drain / Radiator Removal - Polaris MS4000 Service And Owner's Manual

MAINTENANCE

Radiator

1. Check radiator (A) air passages for restrictions or damage.
2. Carefully straighten any bent radiator fins.
3. Remove any obstructions with compressed air or low
pressure water.

Coolant Drain / Radiator Removal

1. Remove the front bumper. Remove three bolts that secure
the bumper to the bottom of the frame. Remove six screws
(both sides) that secure the wheel well panel to the frame.
Remove two bolts that secure the top bumper to the frame.
Remove the darts that attach the plastic to the bumper.
Bolts
Bolts
2. Remove two mounting screws that secure the top of the
radiator to the frame. Remove the radiator cap. Pull the
radiator out of the frame at an angle.
NOTE: If you have trouble reaching the top radiator
bolts, remove four screws from the top front of the
hood liner. Prop the front of the hood up 1.5 inches
(38.10 mm) to help remove the top bolts that secure
the radiator to the frame.
2.24
3.
A
4.
5.
6.
Wheel Well
Remove the drain plug and drain the coolant from the
radiator. Drain the coolant into a suitable container and
properly dispose of the coolant.
Remove the outlet radiator hose, inlet radiator hose, surge
tank hose, and overflow hose from the radiator.
Disconnect the fan motor harness and remove the radiator
from the vehicle. Take care not to damage the cooling fins.
Remove the radiator.
Inlet Radiator Hose
Outlet Radiator Hose
Surge Tank Hose
Plug