em(1), Y61
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//-->ENGINE MECHANICALSECTIONMODIFICATION NOTICE:TB series engine¼¼TB45S engine has been added. Refer to Supplement-III (SM9E-Y61CG0) for details of TB45S.TD42T engine has been added. For specifications other than those described here, refer to the TD42engine.GIMAEMLCECFECLMTATTFPDFARABRSTRSBTHAELSEIDXTD series engineCONTENTSTD42TOUTER COMPONENT PARTS.......................................2TURBOCHARGER...........................................................4Removal and Installation .............................................5Inspection.....................................................................5CYLINDER HEAD............................................................9Inspection...................................................................10Assembly ...................................................................10Installation..................................................................10ENGINE REMOVAL.......................................................11Removal.....................................................................11ENGINE OVERHAUL....................................................12Inspection and Replacement .....................................13Assembly ...................................................................14SERVICE DATA AND SPECIFICATIONS (SDS)..........15Inspection and Adjustment ........................................15EM-1OUTER COMPONENT PARTSTD42TDEM133EM-2OUTER COMPONENT PARTSTD42TGIMALCECFECLMTATTFPDFARABRSTRSBTHAELSEIDXDEM134EM-3TURBOCHARGERTD42TDEM135EM-4TURBOCHARGERRemoval and InstallationTurbocharger should not be disassembled.1. Drain engine coolant.2. Remove the following.¼Air duct and intercooler components¼Heat shield plates¼Exhaust front tube¼Oil tubes¼Water tubes3. Remove turbocharger from exhaust manifold.4. Remove turbocharger bracket bolts.TD42TGIMALCECFEInspectionCondition 1: Low engine powerProbable causeAir leak at the connection of compressor housing and suc-tion hose/inlet tube, or inlet and intake manifold.Corrective actionCorrect the connection.CLMTATTFExhaust gas leak at the connection of turbine housing andexhaust manifold, connecting tube or exhaust outlet.Correct the connection or replace gasket.By-pass valve is stuck in open position.PDStuck or worn journal or bearing.FABroken shaft.Replace turbocharger assembly.RASludge on back of turbine wheel.BRBroken turbine wheel.STCondition 2: Excessively high engine powerRSCorrective actionProbable causeDisconnected or cracked rubber hose of by-pass valvecontroller.BTHACorrect or replace rubber hose.By-pass valve is stuck in closed position.Replace turbocharger assembly.Controller diaphragm is broken.ELSEIDXEM-5
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