Land Rover Defender 99my Owners Handbook Rover

Workshop maintenance
128 Poisonous liquids
Most liquids and lubricants used in motor
vehicles are poisonous and should not be
consumed or brought into contact with open
wounds. These include; battery acid,
anti-freeze, brake, clutch and power steering
fluid, as well as petrol, diesel, engine oil and
windscreen washer additives.
For your own safety, ALWAYS read and obey
all instructions printed on labels and
containers.
Used engine oil
Prolonged contact with engine oil can cause
serious skin disorders,...

Workshop maintenance
129 ENGINE UNDERTRAY
Undertray removal
Front section:
The front undertray (1) can be removed to
gain access to the engine oil filter.
·Raise the vehicle on a ramp and position a
suitable support under the chassis front
crossmember.
·Lower the ramp slightly to improve
clearance between the axle and the
undertray.
·Remove the four bolts securing the
propellor shaft to the front axle and
reposition the shaft to prevent it from
fouling the undertray during removal.
·Remove the two bolts...

Workshop maintenance
130 Undertray removal
Rear section:
The rear undertray (1) can be removed to
enable access to the gearbox drain and filler
level plugs.
·Raise the vehicle on a ramp.
·Remove the two bolts (2) securing the
rear and front undertray together.
·Remove the two bolts (3) securing the
rear undertray to the chassis
crossmember.
·Remove the bolt (4) securing the
undertray to the right hand side of the
chassis.
·Pull the undertray rearwards to disengage
from the front undertray and remove....

Workshop maintenance
131 UNDERTRAY ACCESS PANELS
Front:
The front access panel can be removed in
order to fit the engine timing cover wading
plug.
·Remove the five bolts securing the front
access panel to the undertray and
withdraw the panel.
·When refitting the access panel, tighten
the bolts to a torque rating of 14 Nm (10
lbf/ft).
Rear:
The rear access panel can be removed in
order to fit the flywheel housing wading
plug and to access the engine oil drain
plug.
·Rotate the panel anti-clockwise to...

Workshop maintenance
132 ENGINE OIL RENEWAL(all engines)
NOTE:For engine oil check & top-up see
Owner maintenance.
WARNING
DO NOT attempt to drain the engine sump if
the engine has been running for some time,
the engine oil will be hot and may cause
severe scalding.
V8 engine
Tdi engine
NOTE:On some models, to access the engine
oil drain plug, it will be necessary to remove
the rear undertray access panel - see Engine
undertray, earlier in this section.
With the vehicle resting on firm, level ground,
run...

Workshop maintenance
133
V8 engines
Tdi engines
NOTE:On some models, to remove the oil
filter, it may be necessary to remove the front
engine undertray - see Engine undertray,
earlier in this section.ENGINE OIL FILTER RENEWAL
To prevent any possibility of air locks in the oil
pump, it is recommended that filter renewal is
carried out AFTER the engine oil has been
changed.
NOTE:On V8 engines, to minimise the risk of
draining the oil pump, ensure that the oil is at
the correct operating level before...

Workshop maintenance
134 FUEL FILTER RENEWAL
Petrol engines
Before carrying out any work on the fuel
system, it is essential that you have read and
understood the precautions listed at the
beginning of the section (see Fuel system
safety).
The fuel filter is located next to the fuel pump
on the right hand side of the chassis (when
viewed from the rear).
·Turn the starter switch to position 0 and
disconnect the battery negative lead.
NOTE:On 110 models the fuel filter is located
behind a protective cover...

Workshop maintenance
135 Tdi engine
·Turn the starter switch to position 0 and
disconnect the battery negative lead.
·Clean the area around the filter head (1)
and place a container under the filter.
·Using a strap wrench, unscrew the filter
(2) and catch the fuel released in the
container.
·Wet the seal of the new filter (3) with
diesel fuel and screw the filter into
position and tighten.
·Ensure that the drain tap (4) at the base of
the filter is closed.
·Connect the battery negative lead.
·Start the...

Workshop maintenance
136 FUEL SEDIMENTER CLEANING
(Tdi engines)
NOTE:The fuel sedimenter should be drained
before removal; this process is covered in
Owner maintenance.
The fuel sedimenter is mounted on the
chassis rear side member, near the rear
wheel.
·Turn the starter switch to position 0 and
disconnect the battery negative lead.
·Disconnect the fuel inlet pipe from the
sedimenter and raise the pipe above the
level of the fuel tank. The pipe must be
kept at this level to prevent the tank from...

Workshop maintenance
137 AIR CLEANER ELEMENT RENEWAL
V8 engine
Engine performance will be seriously
affected if the air cleaner element becomes
choked with dust and other airborne
particles.
·Unscrew the two retaining nuts (1).
·Disconnect the air cleaner hose (2).
·Remove the engine breather hose (3).
·Withdraw the air cleaner cannister (4).
·Unscrew the wing nut and washer (5).
·Remove the filter seal (6).
·Remove the element (7) from the
cannister.
·Discard the old element, DO NOT attempt
to clean...