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

Rocker shaft - overhaul (page 2 of 2)

Make
Land Rover
Model
Discovery II
Section
OVERHAUL
ENGINE - V8Rocker shaft - overhaul · page 2 of 2
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ENGINE - V8

12-2-60 OVERHAUL

3. Remove and discard rocker cover gaskets. 

4. Progressively remove 4 bolts securing  rocker 

shaft assembly to cylinder head,  release 
rocker shaft from push rods and  remove rocker 
shaft. 

5. Ensure push rods remain located in  tappets 

when rocker shaft is removed. Retain all 
components in their  removed sequence for 
re-assembly.

6. Remove and discard split pin from one  end of 

rocker shaft. 

7. Collect plain and wave washers. 
8. Remove the rocker arms, rocker pillars  and 

springs. 

9. Remove and discard remaining split pin  and 

collect plain and wave washers. 

Inspect

1. Clean all components.  
2. Inspect rocker shaft and rocker arms for  wear 

and scoring. Replace as required. 

3. Replace weak or broken springs. 
4. Lubricate moving parts with clean engine  oil. 

Reassembly

1. Reassemble rocker shafts, ensuring that  

components are returned to their original  
positions, secure plain washers with new  split 
pins. 

2. Ensure shaft identification groove is  positioned 

at one o'clock, with push rod  locations of rocker 
arms to the right. Oil feed restriction will 
result if  rocker shafts are incorrectly 
assembled.

3. Ensure that rocker shaft bolt holes are clean 

and dry.

4. Position rocker shaft assembly to  cylinder 

head ensuring push rods are engaged  in 
rocker arms. 

5. Fit rocker shaft bolts and progressively tighten 

to 40 Nm  (30 lbf.ft). 

6. Clean mating faces of rocker cover and cylinder 

head, ensure that bolt holes are clean and dry.

7. Fit new rocker cover gasket, dry, position 

rocker cover, ensuring that gasket is correctly 
located.

8. Fit new, 'patched' multi-hex bolts ensuring that 

2 short bolts are on side of rocker cover nearest 
centre of engine.

9. Tighten bolts by diagonal selection to:

l

Stage 1 - 3 Nm (2.5 lbf.ft)

l

Stage 2 - 8 Nm (6 lbf.ft)

10. Ensure that gasket is correctly positioned 

around periphery of rocker cover.

11. Secure ht leads to rocker cover. 

Parts & tools for this job For Land Rover Discovery

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