Land Rover Defender Workshop Rover Manual

REARAXLEANDFINAL DRIVE
1
SPECIFICATIONS,
TORQUE
TORQUE
VALUES
NOTE:Torque wrenches shouldberegularly checkedforaccuracy toensure thatallfixings are
tightened tothe correct torque.
Nm
REAR AXLE
Pinion housing toaxle case 41
.......................................................................
Crown wheeltodifferential case 58
................................................................
Differential bearingcaptopinion housing 90
..................................................
Differential...

FRONTAXLEANDFINAL DRIVE
1
DESCRIPTION
ANDOPERATION
DESCRIPTION The
welded steelfrontaxlecasing houses aseparate
spiral bevel typedifferential unit,which isoff-set tothe
right ofthe vehicle centreline.Thedifferential unit
drives thefront wheels viathe axle shafts and
constant velocityjointswhich aretotally enclosed in
the spherical andswivel housings. The
front wheels arepivoted ontape roller bearings at
the topand bottom ofthe swivel housing. Thewheel
hubs onallaxles aresupported bytwo taper bearings
and...

54FRONT
AXLEANDFINAL DRIVE
2 DESCRIPTION
ANDOPERATION
Lubrication The
differential, swivelpinhousing andwheel hubs
are indiviudally lubricatedandseparated byoilseals
(7) and (8),see J6267A, toprevent oiltransfer across
the axle when thevehicle istraversing steepinclines.
The wheel bearings arelubricated withgrease andthe
swivel housing anddifferential withoil.On later
vehicles, identified byhaving onlyafiller plug inthe
swivel housing, greaseisused tolubricate the
housing assembly,
VentilationVentilation...

FRONTAXLEANDFINAL DRIVE
1
FAULT
DIAGNOSIS
FAULT
DIAGNOSIS
Complaint -Oil leaks
An external leakoflubrication canbecaused bya
faulty internal seal.Forexample, ifthe seals which
separate thedifferential fromtheswivel housings are
faulty andthevehicle isoperating orparked onan
embankment, oilmay leakacross theaxle leaving one
swivel withahigh level andtheopposite swiveland
differential lackinglubrication.
See Description andOperation forillustrations ofoil
seal locations.
When investigating leaksorchecking...

FRONTAXLEANDFINAL DRIVE
1
REPAIR
REV: 09/97
FRONT
AXLEASSEMBLY
Service repairno-54.10.01
Remove
WARNING: Removeandrefit ofaxle
requires afurther twopersons tosteady
axle when lowering orrepositioning axle.
1. Support chassisfront.
2. Remove roadwheels.
3. Support axleweight withhydraulic jack.
4.Remove radiusarmstochassis framenuts.
5. Disconnect steeringdamperfromtrack rod.
Using aextractor removetrackrodlinks from
swivel pinarms.
6. Remove fournuts andbolts securing radius
arms toaxle bracket.
7....

54FRONT
AXLEANDFINAL DRIVE
2 REPAIR
FRONT
HUBASSEMBLY
Service repairno-60.25.01.
Remove 1. Loosen frontwheel nuts,jackupvehicle and
lower ontoaxlestands andremove roadwheel.
2. Release brakehoseclipsandremove brake
caliper andbrake discshield bolts.Secure to
one side. 3.
Lever offdust cap.
4. Remove circlipanddrive shaftshimfrom
driveshaft.
5. Remove 5bolts andwithdraw drivingmember
and joint washer.
6. Bend backlockwasher tabs.
7. Remove locknutandlock washer.
8. Remove hubadjusting nut.
9. Remove...

FRONTAXLEANDFINAL DRIVE
3
REPAIR
REV: 09/97
Refit
11. Clean stubaxleanddrive shaftandfithub
assembly toaxle.
12. Fitspacing washer.
13. Fithub adjusting nut.Tighten to
50Nm (37
lbf/ft).
Ensure hubisfree torotate withno
bearing play.
14. Back offadjusting nut90°and tighten to
10Nm
(7 lbf/ft).
15. Fitanew lockwasher.
16. Fitlocknut. Tightento
50Nm (37lbf/ft).
17. Tab over lockwasher tosecure adjusting nut
and locknut.
18. Fitanew jointwasher todriving member andfit
member tohub. Tighten boltsto
65Nm (48...

FRONTAXLEANDFINAL DRIVE
1
OVERHAUL
FRONT
DIFFERENTIAL
Service repairno-54.10.07.
Overhaul
NOTE: Thefront axledifferential, forall
models, isthe same asthat fitted tothe 90
rear axle andcanonly beserviced asa
complete assembly
SeeREAR AXLEANDFINAL
DRIVE, Repair, Differential assembly-90
.
FRONT HUB
Service repairno-60.25.14.
Overhaul 1. Remove hubassembly
See Repair, Fronthub
assembly
.
2. Remove outerbearing.
3. Mark, forreassembly, relationshipbetweenhub
and brake disc,iforiginal hubisto be refitted.
4....

54FRONT
AXLEANDFINAL DRIVE
2 OVERHAUL
FRONT
STUBAXLE, CONSTANT VELOCITYJOINT
AND SWIVEL PINHOUSING
Service repairno-60.15.43.
Remove stubaxle, axleshaft andconstant
velocity joint.
1. Remove fronthubassembly
See Repair, Front
hub assembly
.
2. Drain swivel pinhousing andrefitplug.
NOTE: Onlater vehicles theswivel pin
housing isfilled withgrease forlife, the
level anddrain plugs beingdeleted.
3.Remove 6bolts retaining stubaxletoswivel
housing.
4. Remove mudshield.
5. Remove stubaxleandjoint washer....

FRONTAXLEANDFINAL DRIVE
3
OVERHAUL
12.
Examine allcomponents, inparticular, innerand
outer track, cageballsandbearing surfaces for
damage andexcessive wear.
13. Maximum acceptable end-floatonassembled
joint 0,64mm. Renewifworn ordamaged.
Lubricate witharecommended oilduring
assembly.
Fit constant velocityjointtoaxle
14. Fitcollar andanew circlip.
15. Engage constant velocityjointonaxle shaft
splines andusing asoft mallet, drivejointinfully.
Renew stubaxle, thrust ring,oilseal andbearing
16....