Workshop Manuals Factory service & repair Land Rover
01 Range Rover Workshop Manual02 Range Rover Workshop Manual - Volume 103 04 05 06 01 - INTRODUCTION07 08 09 04 - GENERAL SPECIFICATION DATA10 11 12 05 - ENGINE TUNING DATA13 14 15 16 06 - TORQUE VALUES17 18 19 20 07 - GENERAL FITTING REMINDERS21 22 23 24 09 - LUBRICANTS, FLUIDS AND CAPACITIES25 26 27 28 29 10 - MAINTENANCE30 31 32 33 34 35 12 - ENGINE - BMW DIESEL36 37 38 39 12 - ENGINE - LAND ROVER V840 41 42 43 17 - EMISSION CONTROL44 45 46 47 19 - FUEL SYSTEM - BMW DIESEL48 49 50 19 - FUEL SYSTEM - LAND ROVER V851 52 53 54 19 - FUEL SYSTEM - CRUISE CONTROL55 56 57 58 26 - COOLING SYSTEM - BMW DIESEL59 60 61 62 26 - COOLING SYSTEM - LAND ROVER V863 64 65 66 30 - MANIFOLD AND EXHAUST SYSTEM67 68 69 70 33 - CLUTCH71 72 73 37 - MANUAL GEARBOX - R380 GEARBOX74 75 76 Range Rover Workshop Manual - Volume 277 78 79 80 41 - TRANSFER BOX81 82 83 84 85 86 87 44 - AUTOMATIC GEARBOX - ZF AUTO88 89 90 91 47 - PROPELLER SHAFTS92 93 94 51 - REAR AXLE AND FINAL DRIVE95 96 97 54 - FRONT AXLE AND FINAL DRIVE98 99 100 101 57 - STEERING102 103 104 105 60 - FRONT SUSPENSION - ELECTRONIC AIR SUSPENSION106 107 108 109 110 64 - REAR SUSPENSION - ELECTRONIC AIR SUSPENSION111 112 113 114 70 - BRAKES - ABS115 116 117 75 - SUPPLEMENTARY RESTRAINT SYSTEM118 119 120 121 122 123 76 - CHASSIS AND BODY124 125 126 127 128 129 77 - PANEL REPAIRS130 131 132 133 78 - SEATS134 135 136 137 80 - HEATING AND VENTILATION138 139 140 141 82 - AIR CONDITIONING142 143 144 145 84 - WIPERS AND WASHERS146 147 148 86 - ELECTRICAL149 150 151 152 153 154 87 - NAVIGATION SYSTEM155 156 157 158 159 88 - INSTRUMENTS
Land Rover Range Rover P3820 · 07 - GENERAL FITTING REMINDERS
20 · General

UNIFIED THREAD IDENTIFICATION

Make
Land Rover
Model
Range Rover P38
Section
INFORMATION › UNIFIED THREAD IDENTIFICATION
07 - GENERAL FITTING REMINDERSUNIFIED THREAD IDENTIFICATION
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GENERAL FITTING REMINDERS

9

INFORMATION

NUTS

1. When tightening a slotted or castellated nut

never loosen it back to insert split pin or locking
wire except in those recommended cases where
this forms part of an adjustment. If difficulty is
experienced, alternative washers or nuts should
be selected, or washer thickness reduced.

2. Where self-locking nuts have been removed it is

advisable to replace them with new ones of the
same type.

NOTE: Where bearing pre-load is involved
nuts should be tightened in accordance
with special instructions.

LOCKING WIRE

1. Fit new locking wire of the correct type for all

assemblies incorporating it.

2. Arrange wire so that its tension tends to tighten

the bolt heads, or nuts, to which it is fitted.

SCREW THREADS

1. Both UNF and Metric threads to ISO standards

are used. See below for thread identification.

2. Damaged threads must always be discarded.

Cleaning up threads with a die or tap impairs the
strength and closeness of fit of the threads and
is not recommended.

3. Always ensure that replacement bolts are at

least equal in strength to those replaced.

4. Do not allow oil, grease or jointing compound to

enter blind threaded holes. The hydraulic action
on screwing in the bolt or stud could split the
housing.

5. Always tighten a nut or bolt to the recommended

torque value. Damaged or corroded threads can
affect the torque reading.

6. To check or re-tighten a bolt or screw to a

specified torque value first loosen a quarter of a
turn, then re-tighten to the correct value.

7. Oil thread lightly before tightening to ensure a

free running thread, except in the case of
threads treated with sealant/lubricant, and
self-locking nuts.

UNIFIED THREAD IDENTIFICATION

1. Bolts

A circular recess is stamped in the upper surface
of the bolt head.

2. Nuts

A continuous line of circles is indented on one of
the flats of the hexagon, parallel to the axis of
the nut.

3. Studs, Brake Rods, etc.

The component is reduced to the core diameter
for a short length at its extremity.

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