2.6.8.6 Intake Manifold Assembly Replacement........2-343
2.6.8.7 Engine Mount Replacement...........................2-347
2.6.8.8 Timing Chain Tensioner Replacement...........2-350
2.6.8.9 Timing Chain Cover Replacement.................2-353
2.6.8.10 Timing Chain Replacement..........................2-360
2.6.8.11 Timing Chain Inspection...............................2-366
2.6.8.12 Camshaft Replacement................................2-367
2.6.8.13 Engine Replacement....................................2-371
2.6.8.14 Cylinder Head Assembly Replacement........2-385
2.6.8.15 Cylinder Head Assembly Removal and Installation
...................................................................................2-391
2.6.8.16 Piston Connecting Rod and Bearing Replacement
...................................................................................2-398
2.6.8.17 Flywheel Replacement.................................2-408
2.6.8.18 Crankshaft Replacement..............................2-409
2.6.8.19 Piston Rod Disassemble, Assemble and
Inspection...................................................................2-417
2.6.8.20 Valve Clearance Adjustments......................2-422
2.6.8.21 Crankshaft Front Oil Seal Replacement.......2-424
2.6.8.22 Crankshaft Rear Oil Seal Replacement.......2-425
2.6.9 Special Tools and Equipment...............2-426
2.6.9.1 Special Tools List...........................................2-426
2.7 Exhaust System JL4G18-D.........2-429
2.7.1 Specifications.......................................2-429
2.7.1.1 Fastener Tightening Specifications................2-429
2.7.2 Description and Operation....................2-430
2.7.3 System Working Principle.....................2-431
2.7.3.1 System Working Principle..............................2-431
2.7.4 Component Locator..............................2-432
2.7.4.1 Exhaust..........................................................2-432
2.7.4.2 Three-Way Catalytic Converter Assembly.....2-433
2.7.4.3 Front Muffler Assembly..................................2-434
2.7.4.4 Rear Muffler Assembly...................................2-435
2.7.4.5 Front Exhaust Insulation Panel......................2-436
2.7.4.6 Front Muffler Heat Shield...............................2-437
2.7.5 Diagnostic Information and Procedures.....2-
438
2.7.5.4 Exhaust System Leakage...............................2-438
2.7.5.5 Exhaust System Noise...................................2-439
2.7.5.6 Exhaust System Repair Notes.......................2-439
2.7.6 Removal and Installation......................2-441
2.7.6.1 Exhaust Manifold Replacement......................2-441
2.7.6.2 Three-way Catalytic Converter Replacement.......2-
447
2.7.6.3 Front Muffler Replacement.............................2-450
2.7.6.4 Rear Muffler Replacement.............................2-452
2.8 Cooling System JL4G18-D..........2-455
2.8.1 Specifications.......................................2-455
2.8.2 Description and Operation....................2-457
2.8.2.1 Description and Operation..............................2-457
2.8.3 System Working Principle.....................2-458
2.8.3.1 System Working Principle..............................2-458
2.8.4 Component Locator..............................2-460
2.8.4.1 Component Locator........................................2-460
2.8.5 Disassemble View................................2-461
2.8.5.1 Disassemble View..........................................2-461
2.8.6 Schematic.............................................2-462
2.8.6.1 Schematic.......................................................2-462
2.8.7 Diagnostic Information and Procedures.....2-
464
2.8.7.1 Diagnosis Description.....................................2-464
2.8.7.2 Cooling Fan Circuit Diagnosis........................2-464
2.8.7.3 High-Speed Cooling Fan Does Not Run........2-465
2.8.7.4 Low-Speed Cooling Fan Does Not Run.........2-468
2.8.7.5 Cooling Fan Always Runs At Low Speed.......2-472
2.8.7.6 Cooling Fan Always Runs At High Speed......2-474
2.8.7.7 Thermostat Diagnostic...................................2-477
2.8.7.8 Engine Overheating........................................2-478
2.8.7.9 Engine Does Not Reach Normal Operating
Temperature...............................................................2-479
2.8.7.10 Excessive Engine Coolant Loss...................2-480
2.8.8 Removal and Installation......................2-482
2.8.8.1 Engine Coolant Discharge and Filling............2-482
2-4
Table of Contents
Engine
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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