Land Rover Defender 90 110 130 Workshop 1997 Rover Manual

Workshop maintenance 
ENGINE UNDERTRA Y 
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. 
129 
• Remove the four bolts securing the 
propeller shaft to the front axle and 
reposition the shaft to prevent it from 
fouling the undertray during removal. 
•...

Workshop maintenance 
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...

Workshop maintenance 
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 (1 0 
lbf/ft). 
131 
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...

Workshop maintenance 
ENGINE OIL RENEWAL (all engines) 
NOTE: For engine oil check & top-up see 
Owner maintenance·. 
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DO NOT anempt 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. 
VB engine 
Tdi engine 
132 
NOTE: On some models, to access the engine 
oil drain plug, it will be necessary to remove 
the rear undertray access...

Workshop maintenance 
VB 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. 
133 
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 VB engines, to minimise the risk of 
draining the oil pump, ensure that the oil is at 
the correct operating...

Workshop maintenance 
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). 
• Tum the starter switch to position 0 and 
disconnect the battery negative lead. 
NOTE: On 7 70 models the fuel filter is located 
behind a...

Workshop maintenance 
Tdi engine 
• Turn the starter switch to position ·a· and 
disconnect the battery negative lead. 
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• 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...

Workshop maintenance 
FUEL SEDIMENTER CLEANING 
(diesel engines -if  fitted) 
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 ·o· 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...

 
Workshop maintenance 
AIR CLEANER ELEMENT RENEWAL 
VB 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 canister {4). 
137 
• Unscrew the wing nut and washer (5). 
• Remove the filter seal (6). 
• Remove the element (7) from the canister. 
• Discard the old element, DO...

Workshop maintenance 
Tdi engine 
Engine performance will be seriously 
affected if the air cleaner element becomes 
choked with dust and other airborne 
particles. 
138 
• Release the two retaining clips {1). 
• Raise the air cleaner slightly from its 
cradle to improve access to the element. 
• Unscrew the wing nut (2) and remove the 
end cover. 
• Unscrew the wing nut (3) and withdraw 
the element. 
• Clean the interior and exterior of the 
casing and cover. 
• Fit a new element, seal first, into the...