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ENGINE
COOLING
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Table of Contents
Related Manuals for Mitsubishi Engine cooling
Summary of Contents for Mitsubishi Engine cooling
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Page 1: Table Of Contents
14-1 ENGINE COOLING CONTENTS 14109000208 Engine Coolant Replacement ....GENERAL INFORMATION ....Concentration Measurement . -
Page 2: General Information
14100050172 Items Specified sealant Remarks Cylinder block drain plug 3M Nut Locking Part No. 4171 or equivalent Drying sealant Water pump <6A1>, Mitsubishi Genuine Parts No. MD970389 or Semi-drying sealant Thermostat case assembly <4G6, 4D6>, equivalent Water outlet fitting <4D6>... -
Page 3: Special Tool
14-3 ENGINE COOLING - Special Tool/Troubleshooting SPECIAL TOOL 14100060038 Tool Number Name MB991223 Harness set Measurement of terminal voltage A: MB991219 A: Test harness A: Connector pin contact pressure inspection B: MB991220 B: LED harness B: Power circuit inspection C: MB991221... -
Page 4: Engine Cooling
14-4 ENGINE COOLING - Troubleshooting <Vehicles with A/C> D Fusible links (4) and (7) check Replace D Fan control relay check (Refer to P.14-12.) 1. NG Check the harness wire between fan control relay and fusible link Measure at the fan control relay connector B-20X. - Page 5 14-5 ENGINE COOLING - Troubleshooting <Vehicles without A/C> D Fusible links (4) and (7) check Replace D Fan control relay check (Refer to P.14-12.) 1. NG Check the harness wire between fan control relay and fusible link Measure at the fan control relay connector B-20X.
- Page 6 14-6 ENGINE COOLING - Troubleshooting Inspection Procedure 2 Radiator fan and condenser fan do not change speed or Probable cause stop. <Vehicles with A/C> Radiator fan does not change speed or stop. <Vehicles without A/C> The fan controller carries out step-free control of the radiator fan motor and the condenser D Malfunction of fan control relay fan motor speeds using signals transmitted from the engine-ECU.
- Page 7 14-7 ENGINE COOLING - Troubleshooting <Vehicles without A/C> Fan control relay check (Refer to P.14-12.) Replace D Check the harness wire between fan control relay and fusible Repair link (7). D Check the harness wire between fan control relay and body earth.
- Page 8 14-8 ENGINE COOLING - Troubleshooting Inspection Procedure 3 Radiator fan does not operate. <Vehicles with A/C> Probable cause The cause could be a malfunction of the radiator fan motor or an open circuit between D Malfunction of radiator fan motor the fan controller and the radiator fan motor.
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Page 9: On-Vehicle Service
14-9 ENGINE COOLING - On-vehicle Service ON-VEHICLE SERVICE 14100100136 Cap adapter ENGINE COOLANT LEAK CHECKING 1. Confirm that the coolant level is up to the filler neck. Adapter Install a radiator cap tester and apply 160 kPa pressure, and then check for leakage from the radiator hose or connections. -
Page 10: Engine Coolant Replacement
14-10 ENGINE COOLING - On-vehicle Service ENGINE COOLANT REPLACEMENT 14100120231 1. Drain the engine coolant by removing the drain plug and then the radiator cap. 2. Remove the drain plug from the cylinder block to drain the engine coolant. Cylinder block drain plug <4G6>... -
Page 11: Concentration Measurement
In addition, if the concentration is above 60 %, both the anti-freezing and engine cooling properties will decrease, affecting the engine adversely. For these reasons, be sure to maintain the concentration level within the... -
Page 12: Fan Controller Check
14-12 ENGINE COOLING - On-vehicle Service FAN CONTROLLER CHECK 14100610011 1. Remove the fan controller mounting bolt, and then Fan controller disconnect the condenser fan motor connector. 2. Start the engine and run it at idle. 3. Turn the A/C switch to ON and maintain the coolant temperature at 80_C or less. -
Page 13: Thermostat
14-13 ENGINE COOLING - Thermostat THERMOSTAT 14100240265 REMOVAL AND INSTALLATION Pre-removal and Post-installation Operation Engine Coolant Draining and Supplying Air Hose and Air Pipe Assembly Removal and (Refer to P.14-10.) Installation <4D6> (Refer to P.14-21.) Air Cleaner and Air Intake Hose Assembly Removal and Installation <4G6>... - Page 14 14-14 ENGINE COOLING - Thermostat REMOVAL SERVICE POINT AA" RADIATOR LOWER HOSE DISCONNECTION After making mating marks on the radiator hose and the hose clamp, disconnect the radiator hose. INSTALLATION SERVICE POINTS Jiggle valve "AA THERMOSTAT INSTALLATION Install the thermostat so that the jiggle valve is facing straight...
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Page 15: Water Pump
14-15 ENGINE COOLING - Water Pump <4G6> WATER PUMP <4G6> 14100270363 REMOVAL AND INSTALLATION Pre-removal and Post-installation Operation Engine Coolant Draining and Supplying (Refer to P.14-10.) Timing Belt Tensioner Pulley Removal and Installation (Refer to GROUP 11.) Bolt specifications 8 ´ 60 8 ´... - Page 16 14-16 ENGINE COOLING - Water Pump <6A1> WATER PUMP <6A1> 14100270370 REMOVAL AND INSTALLATION Pre-removal and Post-installation Operation Engine Coolant Draining and Supplying Timing Belt Removal and Installation (Refer to P.14-10.) (Refer to GROUP 11.) Power Steering Fluid Draining and Supplying Engine Mount Bracket Removal and Installation (Refer (Refer to GROUP 37A - On-vehicle Service.)
- Page 17 INSTALLATION SERVICE POINT "AA WATER PUMP INSTALLATION Squeeze out the sealant from the tube evenly and apply it so that there is not too much sealant and no places without sealant. Specified Sealant: Mitsubishi Genuine Part No. MD970389 or equivalent...
- Page 18 14-18 ENGINE COOLING - Water Pump <4D6> WATER PUMP <4D6> 14100270387 REMOVAL AND INSTALLATION Pre-removal and Post-installation Operation Engine Coolant Draining and Supplying (Refer to P.14-10.) Timing Belt Idler Pulley Removal and Installation (Refer to GROUP 11.) 24 Nm Bolt specifications 8 ´...
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Page 19: Water Hose And Water Pipe
14-19 ENGINE COOLING - Water Hose and Water Pipe WATER HOSE AND WATER PIPE 14100330306 REMOVAL AND INSTALLATION <4G6> Pre-removal and Post-installation Operation Engine Coolant Draining and Suppling (Refer to P.14-10.) Air Cleaner and Air Intake Hose Assembly Removal and Installation... - Page 20 14-20 ENGINE COOLING - Water Hose and Water Pipe <6A1> Pre-removal and Post-installation Operation Engine Coolant Draining and Supplying Distributor Removal and Installation (Refer to P.14-10.) (Refer to GROUP 16.) Air Cleaner and Air Intake Hose Assembly Removal and Installation...
- Page 21 14-21 ENGINE COOLING - Water Hose and Water Pipe <4D6> Pre-removal operation Post-installation Operation Engine Coolant Draining (Refer to P.14-10.) Engine Coolant Supplying (Refer to P.14-10.) Air Cleaner and Air Intake Hose Assembly Removal Engine Oil Supplying and Checking (Refer to GROUP 11 - On-vehicle Service.)
- Page 22 24 Nm 13 Nm 13 Nm 10 Nm f3mm f3mm Sealant: Mitsubishi Genuine Part No. MD970389 or equivalent 14. Water pipe assembly (A) 20. Heater hose connection 15. Water hose 21. Water hose 16. Water inlet fitting 22. Water pipe assembly (B) "BA 17.
- Page 23 Specified Sealant: Mitsubishi Genuine Parts No. MD970389 or equivalent "CA RADIATOR LOWER HOSE/RADIATOR UPPER HOSE CONNECTION 1. Insert each hose as far as the projection of the water inlet fitting or water outlet fitting.
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Page 24: Radiator
14-24 ENGINE COOLING - Radiator RADIATOR 14100150285 REMOVAL AND INSTALLATION Pre-removal operation Post-installation Operation Engine Coolant Draining (Refer to P.14-10.) Engine Coolant Supplying (Refer to P.14-10.) Air Cleaner and Air Intake Hose Assembly Removal A/T Fluid Supplying and Checking (Refer to GROUP 23 - On-vehicle Service.) - Page 25 14-25 ENGINE COOLING - Radiator REMOVAL SERVICE POINTS AA" RADIATOR UPPER HOSE/RADIATOR LOWER HOSE DISCONNECTION After making mating marks on the radiator hose and the hose clamp, disconnect the radiator hose. AB" TRANSMISSION FLUID COOLER HOSE AND PIPE ASSEMBLY REMOVAL...
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