Land Rover Defender Workshop Rover Manual
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Page 81
12ENGINE 24 REPAIR Refit 8. Fitoilpump rotors infront cover. 9. Apply abead ofRTV sealant aroundretaining plate. 10. Fitoilpump retaining platetofront cover, securely tightenscrews. 11. Fitfront cover tocylinder block. SeeFront cover gasket OILPRESSURE RELIEFVALVE Service repairno-12.60.56 Remove 1. Remove engineoilsump. See Engine oil sump 2. Unscrew reliefvalve retaining plugfrom base of front cover. 3. Withdraw valvespring andplunger andcheck for wear. Valve spring freelength, 68.00mm(2.68 in). NOTE:...
Page 82
ENGINE1 SPECIFICATIONS, TORQUE TORQUE VALUES NOTE:Torque wrenches shouldberegularly checkedforaccuracy toensure thatallfixings are tightened tothe correct torque. Nm Engine block Bearing cap 133 ............................................................................................... Blanking plug,oilgallery, rear 37 .................................................................... Oil squirt jetassembly 17 ................................................................................ Drain...
Page 83
12ENGINE 2 SPECIFICATIONS, TORQUE Nm Cylinder head Cylinder headtocylinder block M10 x117 60°+6 0° ............................................................................................. M12 x100 60°+6 0° ............................................................................................. M12 x140 60°+6 0°+2 0° ........................................................................................ Stub pipeheater feed 22...
Page 84
ENGINE3 SPECIFICATIONS, TORQUE Nm Turbo charger oildrain adaptor toblock 42 .................................................... Oil drain pipetoturbocharger 25 .................................................................... Turbocharger oildrain pipetoadaptor 38 ....................................................... Turbocharger oilfeed pipeadaptor toblock 25 ............................................... Turbocharger oilfeed pipetoadaptor 25...
Page 85
12ENGINE 4 SPECIFICATIONS, TORQUE METRIC Nm M5 6 ...................................................................................................... M6 9 ...................................................................................................... M8 25 ..................................................................................................... M10 45 ................................................................................................... M12 90...
Page 86
FUELSYSTEM 1 DESCRIPTION ANDOPERATION DESCRIPTION Fuel system The fuelsystem incorporates asupply andspill return line onallmodels asillustrated below. On 90models, seeJ6191, thefuel tank ismounted at the RH side ofthe vehicle chassis underthefront seat. On standard 110and130models thefuel tank is located atthe rear ofthe vehicle between thechassis longitudenal sections,asshown inJ6192. As anoption, atwin tank system fittedwitha combined change-over tapand 3way fuelsupply and return system,...
Page 87
19FUEL SYSTEM 2 DESCRIPTION ANDOPERATION A mechanical liftpump, withahand priming facility,is driven bythe camshaft, andismounted onthe RH side ofthe engine. A fuel filter, withareplaceable elementand incorporating awater separator, ismounted onthe front RHside ofthe engine compartment. A fuel sedimentor maybefitted when thevehicle is operating inmore arduous conditions, andisused to minimise waterdeposits inthe fuel system before reaching thefuel pump andfilter. Fuel injection iscarried outbyaBosch...
Page 88
FUELSYSTEM 3 DESCRIPTION ANDOPERATION 90FUEL SYSTEM 110FUEL SYSTEM 1. Fuel filter 2. Supply pipe,liftpump tofilter 3. Supply pipe,fuelfilter toinjection pump 4. Fuel injection pump 5. Fuel liftpump 6. Spill return pipe,injection pumptotank 7. Supply pipe,sedimentor tofuel pump 8. Fuel tank 9. Supply pipe,fueltank tosedimentor 10. Fuel fillerpipe 11. Breather pipe 12. Sedimentor, iffitted NOTE: Ifasedimentor isnot fitted, thefuel supply pipefrom thetank willconnect directly tothe fuel liftpump.
Page 89
19FUEL SYSTEM 4 DESCRIPTION ANDOPERATION 110/130 TWINTANK FUELSYSTEM -5 DOOR VEHICLES 1. Fuel filter 2. Supply pipe,liftpump tofilter 3. Supply pipe,filtertoinjection pump 4. Fuel injection pump 5. Fuel liftpump 6. Spill return pipe,injection pumptochange-over tap 7. Supply pipe,fueltank change-over taptolift pump 8. Spill return pipe,change-over taptoside tank 9. Change-over tap,spill return 10. Fuel fillercap 11. Side fueltank 12. Supply pipe,sidetank tosedimentor 13. Sedimentor, iffitted, sidetank 14....
Page 90
FUELSYSTEM 5 DESCRIPTION ANDOPERATION 110/130 TWINTANK FUELSYSTEM -2 DOOR VEHICLES 1. Fuel filter 2. Supply pipe,fuelliftpump tofilter 3. Supply pipe,filtertoinjection pump 4. Injection pump 5. Fuel liftpump 6. Spill return pipe,injection pumptochange-over tap 7. Supply pipe,fueltank change-over taptolift pump 8. Side fueltank 9. Spill return pipe,change-over taptoside tank 10. Change-over tap,spill return 11. Supply pipe,sidetank tosedimentor 12. Fuel fillerpipe 13. Breather pipe 14. Sedimentor,...