3.30
9926806 R03 - 2015 - 2016 RANGER ETX / 570 2-SEAT 2015 - 2016 RANGER 570 CREW Service Manual
© Copyright Polaris Industries Inc.
COOLING SYSTEM BLEEDING
PROCEDURE
CAUTION
Procedure requires running engine at mid-throttle.
Never run the engine in an enclosed space. Perform
procedure outside in a well-ventilated area. Place
vehicle in PARK. Do not engage parking brake, if
equipped, to prevent RPM limiter from activating.
Allow engine and exhaust components to cool
completely prior to servicing.
1. Turn the engine off and place the vehicle in PARK.
2. Open the front box cover and remove the radiator cap
access panel (1).
3. Remove radiator pressure cap (2).
CAUTION
Never remove pressure cap when engine is warm or
hot. The cooling system is under pressure and serious
burns may result. Allow the engine to cool before
servicing.
4. Fill system with approved coolant to the top of the
filler neck.
5. Open the bleed screw (3) located to the left and
below the intake track on the cylinder head to allow all
air to escape, then close the screw.
TORQUE
Coolant Bleed Screw:
6 ft-lbs (8 Nm)
6. Fill coolant to the top of the filler neck.
7. Repeat steps 5 and 6.
8. Install the radiator pressure cap.
9. Start the engine and run at 3000 to 4000 RPM until
the radiator cooling fan cycles on and off.
10.Stop the engine and allow the cooling system to
completely cool.
11. Repeat steps 3 through 10.
12.Fill coolant recovery bottle to the MAX line.
13.Test drive to confirm proper cooling system operation.
ENGINE / COOLING SYSTEM
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