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9926806 R03 - 2015 - 2016 RANGER ETX / 570 2-SEAT 2015 - 2016 RANGER 570 CREW Service Manual
© Copyright Polaris Industries Inc.
3.33
ENGINE SERVICE
ACCESSIBLE ENGINE COMPONENTS
The following components can be serviced or removed
with the engine installed:
• Valve Cover
• Camshafts
• Camshaft Sprockets
• Cylinder Head and Gaskets
• Cylinder and Gaskets
• Piston and Rings
• Thermostat
• Water Pump
• Starter Motor
• Crankshaft Seal (PTO)
The following components can be serviced or removed
with the engine installed but requires removal of the
engine to transmission adapter fasteners.
NOTE
Refer to the Engine to Transmission Adapter Service
Procedure.
• Flywheel
• Starter Idler Gear / Shaft Assembly
• Stator (Alternator)
• Oil Pump
• Oil Pressure Regulator
• Counterbalance Shaft and Bearings
The following components require engine removal for
service:
• Crankshaft and Bearings
• Camshaft Timing Chain and Guides
• Crankcase
• Oil Pump Pickup Assembly
TOP-END SERVICE (ENGINE IN CHASSIS)
ALL of the top-end engine components can be serviced
while the engine is mounted in the chassis.
ENGINE REMOVAL
NOTE
Some engine repair procedures can be performed
without removing the engine assembly from the vehicle.
Refer to “Accessible Engine Components” for further
information.
The use of an overhead or portable engine hoist is the
only recommended method for removing and installing
the engine.
Have an assistant help guide the engine in and out of
the vehicle while using an engine hoist to prevent
personal injury or damage to vehicle components.
CAUTION
Correct Drive Clutch Puller P/N PA-48595
WARNING
Always wear safety glasses and proper shop clothing
when performing the procedures in this Service
Manual.
Failing to do so may lead to possible injury.
1. If vehicle was recently operated, allow it to cool down
before attempting to perform any work.
2. Thoroughly clean the engine and chassis.
ENGINE / COOLING SYSTEM
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