Land Rover Defender Workshop 1993 Rover Manual

REAR AXLE AND FINAL DRIVE  

REAR AXLE AND FINAL  DRIVE 
CAUTION: To prevent  permanent  damage to the 
gear  carrier  case, 
it must not be over-stretched. 
Each  flat on the  turnbuckle 
is numbered  to 20. Add  alignment  marks between  the crown 
enable 
a check  to be  made  on the  amount  wheel and the differential  case for reassembly 
turned.  The maximum  stretch permitted 
is 0,30 purposes,  then remove  the fixings  and 
mm,  equivalent  to three  flats. 
Dismantle  differential 
withdraw the crown  wheel. 
15. Ease off...

REAR AXLE AND FINAL  DRIVE 
34. Withdraw  the outer  bearing  cone. 
27.  Remove  the differential  bearing cones using 
35. Extract  the pinion  inner bearing  cup and  shim 
remover  18G 47 BL  and  adaptors  1 and  2 and  washers from the casing.  Note the shim 
press  M.S. 47. 
washer thickness 
using remover  S 123  A. 
28.  Withdraw  the shim  washers  fitted between  the 
36. Extract  the pinion  outer bearing  cup from  the 
bearing  cones and the differential  casings. 
casing using remover  S...

REAR AXLE AND FINAL DRIVE 
50. Secure the assembly  with bolts  using  Loctite 
Studlock  grade 
CVX on the  threads  and 
tighten  evenly and diametrically 
to 89 to 101 
Nm. 
51. Fit the  crown  wheel to the  differential  casing. 
Use  Loctite  Studlock  grade 
CVX on the  fixing 
bolt  threads  and  tighten  to the  correct  torque. 
52.  Press  on  the  differential roller bearing  cones 
less  him  washers,  using 18G 134 DP, and 
leave to one side until required for instruction 
53.  Fit the...

REAR AXLE AND FINAL  DRIVE 
66. Place the selected  shim washers  on to the 
inner  bearing  cup seating. 
67.  Position 
the inner  bearing  cup in the casing. 
68.  Position  the inner  bearing  replacer  18G 
11 22 
G detail 1, onto 18G 1122  and secure  with 
the  fixing  nut. 
69. Hold  still the centre screw and  turn  the 
butterfly  lever 
to draw in the  bearing  cups. 
61.  Add 0,127  mm, for bearing  pre
-load, to the 
total  noted 
in the preceding  instruction.  The 
sum is then  equal  to...

REAR AXLE AND FINAL DRIVE 
Drive pinion markings 81. 
Remove  the keep  disc from  the magnetized 
base 
of dial  gauge  tool 18G191 
76. Check  that the serial  number  marked on the 82. Place  the dial  gauge  and setting  gauge 
pinion  end face  matches  that marked  on the  18G191P or 18G191
-4 on  a fiat surface  and 
crown  wheel.  zero 
the dial  gauge 
stylus on to the setting 
77. The  markings  on the  end  face  adjacent  to the  gauge. 
serial  number  are 
of no significance  during 83....

REAR AXLE AND FINAL DRIVE 
85. Where 
the stylus  has moved  down (85a),  the  86. Before  adjusting  the shim  thickness,  check the 
amount  is equivalent 
to the  thickness of shims  pinion face marking  and if it has a plus (+) 
that  must  be removed  from under  the pinion  figure, subtract 
that from  the shim  thickness 
inner  cup 
to bring  the pinion  down to the  figure obtained  in the  previous  instruction 
nominal  position.  Where the stylus  has moved  Alternatively 
if the pinion  has...

REAR AXLE AND FINAL DRIVE 
93. Fit  the  pinion  oil seal,  lipped  side  first,  using 
general  purpose grease  or, where  available,  a 
molybdenum  disulphide based  grease  on the 
seal  lip, using 
RO 1008  to drift  in the  seal. 
94. Fit the  coupling  flange  and plain  washer  and 
loosely 
fit a  new  flange  nut.  Secure 18G 1205 
to the coupling  flange, using slave  fixings. 
95.  Alternately  tighten  the flange  nut and  check 
the  drive  pinion  resistance 
to r 
following  figures  are...

REAR AXLE AND FINAL DRIVE 
109. Prevent the drive  pinion  from rotating  and 
check  the crown  wheel  backlash 
which must 
be 
0,15 to  0,27  mm. If the backlash is not 
within  the specified  limits, repeat  the 
differential  backlash checks, instructions 
96 to 
102  looking  for possible  errors. 
110. Fit the differential  cover and new  gasket, 
coating  both sides  of the  gasket  with Hylomar 
112.  Fit the 
rear axle  assembly  to the  vehicle. 
113.  Replenish  the differential  lubricating...

REAR AXLE AND FINAL DRIVE 
REAR  DISCS  REMOVE AND OVERHAUL  REAR HUBS 
Remove and refit 
Removing  MODELS 
WITH REAR  DISC BRAKES 
Service  tools: 
Oil seal  replacer  LST550-5 
Drift for  above tool MS550  or 18G134 
Hub  nut wrench  606435 
Remove 
1. Jack-up the  vehicle,  lower on to axle  stands 
and  remove  the road  wheels. 
2. Release  the brake  hose from the axle.  casing 
clips  and remove  the brake  caliper  retaining 
bolts  and secure  the  assembly 
to one side. 
Take  care  not  to...