Land Rover Defender Workshop Rover Manual
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Page 71
12ENGINE 14 REPAIR ENGINE OILSUMP Service repairno-12.60.44 Remove 1. Disconnect battery. 2. Drain engine oil. NOTE: Achassis undertray maybefitted on some vehicle derivatives toconform to legal requirements. Whenunder chassis remove andrefit procedures arerequired, itmay be necessary toremove theundertray and/or integral accesspanels. SeeCHASSIS ANDBODY, Repair, Front undertray orSee CHASSIS ANDBODY, Repair, Rear undertray 3.Slacken sumpsecuring bolts. 4. Break sealant aroundsumpflange, usinga sharp...
Page 72
ENGINE15 REPAIR FLYWHEEL Service repairno-12.53.07 Remove 1. Disconnect battery. 2. Remove gearbox. SeeMANUAL GEARBOX, Repair, R380gearbox 3.Remove clutch.SeeCLUTCH, Repair,Clutch assembly 4. Fit2,long, 8m m bolts intotheclutch boltholes, as shown, touse ashandles whenliftingthe flywheel offthe crankshaft. 5. Remove fancowl. See COOLING SYSTEM, Repair, Fancowl 6.Fitcrankshaft pulleyretainer LRT-12-080 and secure with4bolts, torestrain crankshaft while removing flywheelretaining bolts. 7. Remove...
Page 73
12ENGINE 16 REPAIR CRANKSHAFT REAROILSEAL Service repairno-12.21.20 Remove NOTE: Thecrankshaft rearoilseal is retained inits own housing, ifthe seal requires replacing, thecomplete housing assembly (1)must berenewed. Housingandseal assemblies aresupplied withtheir own former/seal guide(2)already fitted.Thisformer must notberemoved beforefittingtheassembly to the engine. Ifaseal andhousing assembly is received withoutaformer/guide fitteditmust be returned tothe supplier. Usedformers/guides must...
Page 74
ENGINE17 REPAIR 11. Refit clutch. SeeCLUTCH, Repair,Clutch assembly 12. Refit gearbox.SeeMANUAL GEARBOX, Repair, R380gearbox 13.Reconnect battery. CRANKSHAFT BEARINGBUSH Service repairno-12.21.45 Remove 1. Disconnect battery. 2. Remove gearbox. SeeMANUAL GEARBOX, Repair, R380gearbox 3.Remove clutch.SeeCLUTCH, Repair,Clutch assembly 4. Remove flywheel.SeeFlywheel 5.Remove bearingbush. NOTE:Thebearing bushcanberemoved by using oneofthe following methods. Method 1. Obtain ashort length ofsteel...
Page 75
12ENGINE 18 REPAIR FLYWHEEL HOUSING Service repairno-12.53.01 Remove 1. Disconnect battery. 2. Remove gearbox. SeeMANUAL GEARBOX, Repair, R380gearbox 3.Remove clutch.SeeCLUTCH, Repair,Clutch assembly 4. Remove flywheel.SeeFlywheel 5.Remove 3fixings andwithdraw startermotor. 6.Remove 2bolts fromtopofflywheel housing. 7. Remove 4bolts securing bottomofflywheel housing toengine mounting brackets. 8. Remove innerboltsandliftoff flywheel housing. Refit 9. Clean rearface ofhousing andmating faceon block,...
Page 76
ENGINE19 REPAIR OIL FILTER Service repairno-12.60.01 Remove 1. Place draintrayunder oilfilter. 2. Unscrew filteranti-clockwise, usingastrap wrench, ifnecessary. Refit 3. Clean mating faceofoil filter adaptor. 4. Coat rubber sealing ringofnew filter withclean engine oil. 5. Screw onfilter untilsealing ringtouches machined face,thentighten afurther halfturn by hand only.DONOT overtighten. OIL TEMPERATURE CONTROLVALVE Service repairno-12.60.69 Remove 1. Clean adaptor housing. 2. Disconnect oilcooler...
Page 77
12ENGINE 20 REPAIR OIL FILTER HEADGASKET Service repairno-12.60.03 Remove 1. Clean filterhead adaptor. 2. Disconnect oilcooler pipesandplug toprevent ingress ofdirt. 3. Disconnect oilpressure switchlead. 4.Remove 4bolts andwithdraw filterhead, complete withgasket. 5. Clean mating facesoffilter head andcylinder block. 6. Fithead withnew gasket. 7. Tighten boltsto 45Nm (33lbf/ft). 8.Reconnect oilpressure switchlead. 9. Reconnect oilcooler pipes. CYLINDER HEADGASKET Service repairno-12.29.02 Remove 1....
Page 78
ENGINE21 REPAIR 12. Remove induction manifold. SeeMANIFOLD AND EXHAUST SYSTEM,Repair,Induction manifold 13. Remove exhaustmanifold andturbocharger assembly. See MANIFOLD ANDEXHAUST SYSTEM, Repair, Exhaust manifold 14.Disconnect heaterhosefromwater pump and move heater railaside. 15. Disconnect heaterhosefromrearofcylinder head. 16. Remove boltsecuring aircleaner mounting bracket tosupport strut. 17. Remove boltsecuring harnessbracketto cylinder head. 18.Remove rearengine liftingbracket. Thiswillalso...
Page 79
12ENGINE 22 REPAIR 28. Lower cylinder headontoblock ensuring correct location withdowels. NOTE: Cylinder headretaining boltscan be used uptoamaximum offive times. 29. Lubricate threadsofbolts withlight oiland fitto positions shownbelow.(Fitaircleaner mounting bracket atpositions 6and 14). Bolt sizes: M10 x117mm locations 3,5,12, and 13. M12 x140mm locations 1,2,7,8,9,10, 15,16,17, and 18. M12 x100mm locations 4,6,11, 14. 30. Tighten boltssothat underside ofheads just make contact withcylinder head. 31....
Page 80
ENGINE23 REPAIR 43. Check andadjust valveclearances. SeeAdjustment, Valveclearances -check and adjust 44.Fitrocker cover,ensuring oilseal issatisfactory for continued use,andrenew ifnecessary. 45. Secure rockercoverwithspecial sealwashers and nuts. Tighten to 10Nm (7lbf/ft). 46. Fitrear engine liftingbracket, securing breather pipe andmulti-plug retainingclips.Tighten fixing bolts to 25Nm (18lbf/ft). 47. Fitengine harness brackettocylinder head. 48. Secure aircleaner mounting brackettosupport strut. 49....