Land Rover Defender 50th Owners Handbook Rover

Workshop maintenance
118 SPARK PLUG CHECK/RENEWAL
·Remove the H.T. leads from the spark
plugs.
·Remove the plugs using a spark plug
socket and ratchet.
·If they are in poor condition, replace with
new plugs of the correct specification (see
General data).
·Set the spark plug gaps to the correct
setting (seeGeneral data).
·Fit the spark plugs and washers - DO NOT
OVERTIGHTEN.
NOTE:Fitting incorrect grades of spark plug,
may lead to piston overheating and engine
failure.
·Refit the H.T. leads in the...

Workshop maintenance
119
DRIVE BELTS
Driving belt tension
The drive belt and all pulleys should be
examined regularly for any damage,
deterioration or fouling (grit, mud, oil etc).
Replace or clean where necessary.
After every off-road session, the drive belt
should be inspected for cuts and possible
damage caused by stones. If the belt has
jumped, reposition it correctly and, if
necessary, replace it at the earliest
opportunity.
WARNING
Before checking any drive belt; to prevent
the possibility of...

Workshop maintenance
120 MAIN GEARBOX OIL RENEWAL
WARNING
For safety, DO NOT work underneath the
vehicle unless it is safely parked with the
wheels chocked, or is supported by heavy
duty stands.
Extreme care should be taken when draining
gearbox oil, it may be hot and cause severe
scalding.
Ensure the vehicle is parked on firm, level
ground and chock the wheels. Place a suitable
container under the gearbox to catch the used
oil.
WARNING
Use only NEW oil - DO NOT use oil
previously drained from the...

Workshop maintenance
121 TRANSFER GEARBOX OIL RENEWAL
WARNING
For safety, DO NOT work underneath the
vehicle unless it is safely parked with the
wheels chocked, or is supported by heavy
duty stands.
Extreme care should be taken when draining
gearbox oil, it may be hot and cause severe
scalding.
Ensure the vehicle is parked on firm, level
ground and chock the wheels. Place a suitable
container under the gearbox to catch the used
oil.
·Clean the area surrounding the drain plug
(2) and filler level (3)...

Workshop maintenance
122 FRONT/REAR AXLE OIL RENEWAL
WARNING
For safety, DO NOT work underneath the
vehicle unless it is safely parked with the
wheels chocked, or is supported by heavy
duty stands.
Extreme care should be taken when draining
axle oil, it may be hot and cause severe
scalding.
NOTE:A rear axle is illustrated, but the
procedure is the same for both axles.
Ensure the vehicle is parked on firm, level
ground and chock the wheels. Place a suitable
container under the axle to be drained to catch...

Workshop maintenance
123 BRAKE PAD, DISC AND CALIPER CHECK
If the vehicle is being operated in arduous
conditions, especially when deep mud and/or
wading situations are regularly encountered,
the condition of the brake pads, discs and
calipers should be checked at least weekly, if
not even more frequently.
Hydraulic disc brakes are fitted to the front
and rear wheels, they are self adjusting and
therefore, no provision for manual adjustment
is made.
·Check the thickness of the brake pads,
which should...

Workshop maintenance
124 HANDBRAKE CHECK/ADJUSTMENT
WARNING
For safety, DO NOT work underneath the
vehicle unless it is safely parked with the
wheels chocked, or is supported by heavy
duty stands.
Ensure the vehicle is parked on firm, level
ground and chock the wheels.
Select P and release the handbrake.
If the handbrake movement is excessive,
adjust as follows:
·Raise one rear wheel clear of the ground
and ensure it is supported securely with
an axle stand.
·Tighten the adjusting bolt (5) to a torque
of...

125
SECTION 6
General data
Section Contents Page
Lubricants & fluids 127..................................
Capacities 129................................................
Engine data 130..............................................
Steering 130...................................................
Electrical system 130......................................
Replacement bulbs 130..................................
Dimensions 131.............................................
Off-road performance...

126 

General data
127 LUBRICANTS AND FLUIDS
Recommendations for all climates and conditions.
COMPONENTS AMBIENT TEMPERATURE°C
Specification SAE -30 -20 -10 0 10 20 30 40 50
Engine sump
Oils must meet 5W/30
API service levels SG or SH 5W/40, 5W/50
10W/30
10W/40,
10W/50
10W/60
Main gearbox - automatic
ATF Dexron II or III
Transfer gearbox
MIL-L-2105 or 90W EP
MIL-L-2105B, C & D 80W EP
Final drive units, swivel pin housings
MIL-L-2105 or 90W EP
MIL-L-2105B, C & D 80W EP
Power steering
ATF M2C 33 (F or G) or
ATF...