1998 LAND ROVER 4.0 & 4.6 LITRE V8 ENGINE OVERHAUL MANUAL (LRL 0004ENG – 3rd Edition)



Land Rover 4.0 & 4.6 LITRE V8 ENGINE OVERHAUL MANUAL PDF

1998 LAND ROVER 4.0 & 4.6 LITRE V8 ENGINE OVERHAUL MANUAL (LRL 0004ENG – 3rd Edition) PDF Free Download.

These engines having Serial No. Prefix 42D, 46D, 47D, 48D, 49D, 50D or 51D are fitted to the following models:

  • New Range Rover
  • Discovery – North American Specification – 1996 MY Onwards
  • Defender – North American Specification – 1997 MY Onwards
  • Defender V8i Automatic

This manual contains procedures for overhaul of the V8 engine on the bench with the gearbox, clutch, inlet manifold, exhaust manifolds, coolant pump, starter motor, alternator, and all other ancillary equipment removed.

Individual items are to be overhauled in the sequence in which they appear in this manual. Items numbers in the illustrations are referred to in the text. Overhaul operations include reference to Service tool numbers and the associated illustration depicts the tool. Where usage is not obvious the tool is shown in use. Land Rover tool numbers are quoted, for the equivalent Rover Cars tool number refer to the Service Tool section. Operations also include reference to wear limits, relevant data, and specialist information and useful assembly details.

This manual is divided into 3 sections:

  • Data, Torque & Tools
  • Description and Operation and
  • Overhaul

CONTENTS

DESCRIPTION AND OPERATION

  • CYLINDER BLOCK COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
  • CYLINDER HEAD COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
  • OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

OVERHAUL

  • ROCKER SHAFTS
  • Rocker shafts – remove
  • Rocker shafts – dismantling
  • Inspecting components
  • Rocker shafts – assembling
  • Rocker shafts – refit
  • CYLINDER HEAD
  • Cylinder head – remove
  • Valves and springs – remove
  • Cylinder head – inspection
  • Valves, valve springs and guides – inspection
  • Valve guides – renew
  • Valve seat inserts – inspection
  • Valve seat inserts – renew
  • Valve seats and seat inserts – refacing
  • Valves – lapping-in
  • Valves and springs – refit
  • Cylinder head – refit
  • TIMING CHAIN AND GEARS
  • Sump – remove
  • Timing cover – remove
  • Timing gears – remove
  • Timing chain and gears – inspection
  • Timing gears – refit
  • Timing cover – refit
  • Sump – refit
  • OIL PUMP AND OIL PRESSURE RELIEF VALVE
  • Oil pump – remove
  • Oil pressure relief valve – remove
  • Oil pump – inspection
  • Oil pressure relief valve – inspection
  • Oil pump – refit
  • Oil pressure relief valve – refit
  • CAMSHAFT AND TAPPETS
  • Camshaft end-float – check
  • Camshaft and tappets – remove
  • Camshaft and tappets – inspection
  • Camshaft and tappets – refit
  • PISTONS, CONNECTING RODS, PISTON RINGS AND CYLINDER BORES
  • Pistons and connecting rods – remove
  • Piston rings – remove
  • Piston rings – inspection
  • Pistons – remove
  • Pistons – inspection
  • Gudgeon pins – inspection
  • Cylinder liner bore – inspection

ENGINE

  • Pistons – refit
  • Piston to cylinder bore clearance – checking
  • Pistons and connecting rods – refit
  • FLYWHEEL AND STARTER RING GEAR
  • Flywheel – remove
  • Flywheel and starter ring gear – inspection
  • Starter ring gear – renew
  • Flywheel – refit
  • DRIVE PLATE AND RING GEAR ASSEMBLY
  • Drive plate and ring gear assembly – remove – Up to engine nos. 42D00593A and 46D00450A
  • Drive plate and ring gear assembly – remove – From engine nos. 42D00594A and 46D00451A and all engines having serial no. prefixes from 47D to 51D
  • Drive plate and ring gear – inspection
  • Drive plate and ring gear assembly – refit – Up to engine nos. 42D00593A and 46D00450A
  • Drive plate and ring gear assembly – refit – From engine nos. 42D00594A and 46D00451A and all engines having serial no. prefixes from 47D to 51D

CRANKSHAFT, MAIN AND BIG-END BEARINGS

  • Big-end bearings – remove
  • Big-end bearings – refit
  • Crankshaft – remove
  • Knock sensor – remove
  • Crankshaft position sensor – remove
  • Crankshaft – inspection
  • Crankshaft spigot bearing – renew
  • Crankshaft – refit
  • Crankshaft end – float – check
  • Knock sensor – refit
  • Crankshaft position sensor – refit

…… AND MORE ……

Language: English
File: PDF
Size: 666 Kb
Free download Land Rover 4.0 & 4.6 LITRE V8 ENGINE OVERHAUL MANUAL PDF
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