Polaris RZR 4 Offroad Vehicle User Manual


 
3.21
ENGINE
3
9923142 - 2011 RANGER RZR / RZR S / RZR 4 Service Manual
© Copyright 2010 Polaris Sales Inc.
39. Disconnect the engine coolant temperature (ECT) sensor
harness and the bypass coolant hose.
40. Loosen the hose clamp and remove the lower coolant hose
from the water pump cover inlet and drain coolant into a
suitable container.
41. Remove the filler neck pressure cap to relieve the cooling
system vacuum.
NOTE: Use a portable wet-vac or syphon to prevent
any coolant from spilling.
42. Remove the upper coolant hose from the thermostat
housing outlet to relieve any coolant vacuum created in the
engine. Allow engine coolant to completely drain. Properly
dispose of the engine coolant / antifreeze.
43. Remove the (+) positive battery cable from the starter
motor terminal and (-) negative battery cable from the
starter motor engine mount.
44. Remove the outer PVT cover.
45. Remove RH engine mount fastener.
46. Remove the (2) lower bolts that retain the LH transmission
mount to the frame.
47. Remove the (2) rear gearcase mount bracket fasteners and
mount bolt and remove bracket from vehicle.
NOTE: The use of an overhead or portable engine
hoist is the only recommended method for removing
and installing the engine / transmission / rear
gearcase assembly.
ECT
Connector
Coolant
Bypass
Remove
(2) Lower Bolts