Poor A/C Performance; Engine Coolant Bypassing The Heater Valve - Polaris RANGER XP 1000 2018 Service Manual

POOR A/C PERFORMANCE

1. Start the utility vehicle. Engage the A/C system with
the blower fan on high. Run the vehicle at full rpm for
approximately 15 minutes, with the cab door closed.
2. Check the temperature at the louvers
thermometer.
3. The louver temperature should be between 55 - 70°F
(13 - 31°C) depending on the humidity in the air.
4. If temperature is too high, check the blower fan for
proper operation or noise, and replace if necessary.
ENGINE COOLANT BYPASSING THE HEATER
VALVE
q
1. Push the A/C switch to the OFF position. Turn the
w
fan switch to the High Speed position. Turn the
e
temperature control to the High A/C position.
2. Start the utility vehicle and run at high idle, for ten
minutes.
9928487 R01 - 2018 RANGER XP 1000 Service Manual
© Copyright Polaris Industries Inc.
3. Check the heater hose
is hot, the heater valve is leaking by, and needs to be
replaced.
q
with a
4. Push the A/C switch to the OFF position. Turn the fan
switch to position 1. Turn the temperature control to
the High A/C position.
5. Listen for the heater valve
the ON position without starting the utility vehicle. The
heater valve should rotate.
6. Turn the key to the OFF position. Turn the
temperature control to the High Heater position.
7. Listen for the heater valve
the ON position without starting the utility vehicle. The
heater valve should rotate. If it does not rotate, check
the potentiometer for proper function.
8. Replace the heater valve.
ENGINE / COOLING / EXHAUST
r
for temperature. If the hose
q
as the key is turned to
t
as the key is turned to
3
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