1990-2016 Land Rover Defender 90 SUV Workshop maintenance -> Air cleaner element renewal User Manual
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Workshop maintenance -> Air cleaner element renewal for Your Land Rover Defender 90 SUV First Generation (1990-2016)

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 it.
• Insert the new element and secure with
the wing nut and washer.
• Fit the air cleaner cannister.
• Fit the breather hose.
• Fit the air cleaner hose.
• Secure with the retaining straps and nuts.
NOTE: Check the dump valve (8) (see ’Air
cleaner dump valve check’).
Workshop maintenance
138
Tdi engine
Engine performance will be seriously
affected if the air cleaner element becomes
choked with dust and other airborne
particles.
• 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
casing.
• Secure the element with the wing nut.
• Fit the end cover and align the two arrows
(4).
• Position the air cleaner in its mounting
cradle and secure the two clips (1).
Workshop maintenance
139
Air cleaner dump valve check - all engines
The dump valve (8) is situated on the
underside of the element housing.
• Squeeze open the dump valve (as
illustration) and check that the interior is
clean. Renew the valve if perished.

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