Workshop Manuals Factory service & repair Land Rover
01 Discovery Series II - Workshop Manual - 1999MY ON - 6th Edition - NAS02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 INTRODUCTION32 33 GENERAL INFORMATION34 35 GENERAL DATA36 IDENTIFICATION NUMBERS37 38 TORQUE WRENCH SETTINGS39 40 LIFTING AND TOWING41 CAPACITIES, FLUIDS, LUBRICANTS AND SEALANTS42 43 44 MAINTENANCE45 46 ENGINE - V847 48 EMISSION CONTROL - V849 50 ENGINE MANAGEMENT SYSTEM - V851 FUEL DELIVERY SYSTEM - V852 53 COOLING SYSTEM - V854 55 MANIFOLDS AND EXHAUST SYSTEMS - V856 57 58 59 CLUTCH - V860 61 MANUAL GEARBOX - R38062 63 TRANSFER BOX - LT230SE64 65 66 AUTOMATIC GEARBOX - ZF4HP22 - 2467 PROPELLER SHAFTS68 69 REAR AXLE70 71 72 73 74 75 FRONT AXLE76 77 78 79 STEERING80 FRONT SUSPENSION81 82 83 REAR SUSPENSION84 85 86 87 BRAKES88 RESTRAINT SYSTEMS89 90 DOORS91 EXTERIOR FITTINGS92 93 INTERIOR TRIM COMPONENTS94 SCREENS95 96 97 SEATS98 99 SUNROOF100 CHASSIS AND BODY DIMENSIONS101 102 103 104 PANEL REPAIRS105 106 107 108 BODY SEALING MATERIALS109 110 111 112 113 CORROSION PREVENTION AND SEALING114 PAINTING115 HEATING AND VENTILATION116 117 AIR CONDITIONING118 119 WIPERS AND WASHERS120 CHARGING AND STARTING121 122 LIGHTING123 BODY CONTROL UNIT124 125 126 ALARM SYSTEM AND HORN127 128 WINDOWS129 IN CAR ENTERTAINMENT130 HARNESSES131 DRIVING AIDS132 NAVIGATION SYSTEM133 INSTRUMENTS
Land Rover Discovery II46 · ENGINE - V8
46 · Engine

Cylinder head - overhaul

Make
Land Rover
Model
Discovery II
Section
OVERHAUL › Cylinder head - overhaul
ENGINE - V8Cylinder head - overhaul · page 1 of 4
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ENGINE - V8

OVERHAUL 12-2-63

Cylinder head - overhaul 

$% 12.29.19.01 

Disassembly

1. Remove cylinder head gasket. 

 

 + 

 ENGINE - V8, OVERHAUL, Gasket - 

cylinder head.

2. Loosen screw on tool LRT-12-034. 

3. Fit tool LRT-12-034  to valve  and tighten screw 

to compress valve spring  sufficiently to release 
collets from valve  spring cap. 

4. Remove 2 collets and release valve spring  

compressor. 

5. Remove valve spring cap and valve   spring. 
6. Remove valve from cylinder head. 
7. Remove and discard valve stem oil seal. 
8. Repeat above operations for remaining  valves. 
9. Keep valves, springs, caps and collets  in their 

fitted order. 

Inspect

1. Clean mating faces of cylinder block and  head 

using suitable gasket removal spray and  a 
plastic scraper, ensure that bolt holes in  block 
are clean and dry. 

CAUTION: Do not use a metal scraper or 
machined surfaces may be damaged.

2. Clean cylinder head, valve springs,  valves and 

inlet valve guide bores. Ensure  all loose 
particles of carbon are removed on  completion. 

3. Models with SAI: Using a 5/8 in x 20 TPI ( 

threads per inch) UNF tap having a class 2A 
thread, remove deposits from secondary air 
injection adapter tappings in cylinder head.

CAUTION: Ensure that tap used has 20 TPI.

4. Check head and block faces for warping  and 

pitting. Maximum warp = 0.05 mm (0.002 in).

5. Check cylinder head height at each end of 

head. Renew a head which is outside limits.

a 22.94 mm (0.903 in) - New

b 62.56 mm (2.463 in) - New

Parts & tools for this job For Land Rover Discovery

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