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9929419 R02 - 2018-2019 RZR XP / XP 4 Turbo S Service Manual
© Copyright Polaris Industries Inc.
TURBOCHARGER SERVICE
TURBOCHARGER INSPECTION
Conditions that warrant turbocharger inspection:
• Decreased horsepower and performance
• Slower response and power delivery (sluggish or
“laggy” feel)
• Audible noise from turbocharger
• Blue smoke emitted from exhaust
IMPORTANT
It is recommended that the air intake filter and pre-filter
be inspected daily.
1. Remove cargo box access panel.
2. Disengage the four air box cover latches and remove
the air filter.
3. Inspect air filter and the inside of the air box for dirt or
foreign debris. If filter is found to be clogged, replace
the filter.
CAUTION
A clogged or restrictive air filter or intake tract can
cause excessive turbocharger speeds and premature
wear.
4. Disconnect and remove the oxygen sensor
w
.
5. Remove three fasteners
e
retaining muffler to the
exhaust pipe.
6. Remove two fasteners
r
retaining the engine heat
shield above O2 sensor.
ENGINE / COOLING SYSTEM
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