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9926806 R03 - 2015 - 2016 RANGER ETX / 570 2-SEAT 2015 - 2016 RANGER 570 CREW Service Manual
© Copyright Polaris Industries Inc.
3.1
ENGINE / COOLING SYSTEM
CHAPTER 3
ENGINE / COOLING SYSTEM
GENERAL INFORMATION... . . . . . ............. ... . . . . . .. ........... ...... . . . . . ............. . . . . . ........ 3.6
ENGINE SPECIAL TOOLS.. ..... . . . . . ............. . . . . . ............. .... ... ... . . . . . .. ........... ...... 3.6
ENGINE LUBRICATION SPECIFICATIONS . . . ............ . . . . . ............. .... ... ... .... ... ... . . . . . . . 3.7
OIL PRESSURE TEST. . . . .. ............. . . . . . ............. ... .... . . . . . .. ............ . . . . . ............. 3.7
ENGINE OIL FLOW CHART .. . . . .. ............. . . . . . .. ........... ..... . . . . . ............. . . . . . ......... 3.8
ENGINE SPECIFICATIONS.. . . . ............. . . . . . .............. . . . . . ............. . . . . . ............. ... 3.9
ENGINE DETAIL - TORQUE VALUES - SEQUENCES..... ..... . . . . . ............. . . . . . ............. ..3.11
ENGINE FASTENER TORQUE SPECIFICATIONS .. ............. . . . . . ............. ... .... . . . . . .......3.11
SPARK PLUG / THROTTLE BODY / THERMOSTAT .... .... . . . . . .............. . . . . . ............. . . . . . .3.13
STATOR COVER / VALVE COVER / OIL SUMP COVER . . .............. . . . . . ............. . . . . . ........3.14
CAMSHAFTS / CAM CARRIER / CAM CHAIN TENSIONER ............. . . . . . ............. ... ... . . . . . .3.15
CYLINDER HEAD / CRANKCASE.. ............. . . . . . .. ........... ..... . . . . . ............. . . . . . ........3.16
CRANKSHAFT / BALANCE SHAFT / CAM CHAIN GUIDES.......... . . . . . ............. .... ... ... . . . . . .3.17
ENGINE MOUNTING TORQUE SPECIFICATIONS.. ............. . . . . . ............. ..... . . . . . .........3.18
ENGINE / TRANSMISSION COUPLER BRACKET TORQUE SEQUENCE ... .... . . . . . . ............. . . .3.19
CYLINDER HEAD TORQUE SPECIFICATION / SEQUENCE ............ . . . . . ............. ... ... . . . . . .3.20
STATOR COVER TORQUE SEQUENCE......... ...... . . . . . ............. . . . . . .............. . . . . . .....3.21
OIL SUMP COVER TORQUE SEQUENCE ... ............ . . . . . . ............ . . . . . ............. .... ... ..3.22
LOWER CRANKCASE SEALANT PATTERN ........ ...... . . . . . ............. . . . . . .............. . . . . . ..3.23
325 EXHAUST SYSTEM. . . . ............. . . . . . ............. ...... . . . . . ............. . . . . . ..............3.24
ENGINE COOLING SYSTEM.... .... . . . . . .. ............ . . . . . ............. . . . . . ............. ...... . . . . . .3.25
COOLING SYSTEM FLOW . ... .... . . . . . .............. . . . . . ............. . . . . . ............. ...... . . . . . .3.25
COOLING SYSTEM ASSEMBLY VIEW .. . . . . ............. . . . . . ............. .... ... ... .... ... ... . . . . . .3.26
COOLING SYSTEM SPECIFICATIONS .. . . ............ .... ... ... . . . . . . ............ ...... . . . . . ........3.27
COOLING SYSTEM PRESSURE TEST .......... ... ..... . . . . . ........... ...... . . . . . .. ........... ... ..3.27
PRESSURE CAP TEST. . . . . . ............. . . . . . .............. . . . . . ............. . . . . . .. ........... .....3.27
RADIATOR .. . . ............ . . . . . . ............ .... ... ..... . . . . . ........... ...... . . . . . .. ........... ... ..3.28
COOLANT DRAIN / RADIATOR REMOVAL ............ ... . . . . . ............. .... . . . . . . ............. . . .3.28
THERMOSTAT INSPECTION / REPLACEMENT ........... . . . . . ............ .... ... ..... . . . . . .........3.29
COOLING SYSTEM BLEEDING PROCEDURE . . . .. ............ . . . . . . ............ . . . . . ............. ..3.30
WATER PUMP SERVICE . . . . ............ . . . . . ............. ...... . . . . . ............. . . . . . .. ............3.31
ENGINE SERVICE . . ............. .... . . . . . .............. . . . . . ............. . . . . . ............. ...... . . . . . .3.33
ACCESSIBLE ENGINE COMPONENTS . . . . . . ............. ..... . . . . . ............. . . . . . ............. ..3.33
TOP-END SERVICE (ENGINE IN CHASSIS) ........ . . . . . .. ............ . . . . . ............. . . . . . ........3.33
ENGINE REMOVAL .... .... ... ... . . . . . ............. ...... . . . . . ............. . . . . . ............ .... ... ..3.33
ENGINE INSTALLATION.. . . . .. ........... ... .... ... ... .... ... .... . . . . . ............ ...... . . . . . ........3.36
ENGINE BREAK-IN PERIOD ......... .... ... ... . . . . . .. ........... ...... . . . . . ............. . . . . . .......3.39
ENGINE LUBRICATION SPECIFICATIONS . . . ............ . . . . . ............. .... ... ... .... ... ... . . . . . .3.39
325 ENGINE TO TRANSMISSION COUPLER SERVICE . . . . .. ........... ... .... . . . . . . ............. . . .3.40
SETTING TDC (TOP-DEAD-CENTER) .... . . . . . .............. . . . . . ............. . . . . . .. ........... .....3.42
ENGINE DISASSEMBLY / INSPECTION - TOP END .. . ............ . . . . . ............. .... ... ... . . . . . .3.43
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