Defender (1993+). Manual — part 29

DEFENDER

90

Remove

1.

Loosen filler cap to release any pressure in

2.

Disconnect battery negative terminal.

3.

Disconnect pipe connection

to

charcoal

canister, using Special Tool LRT-19-002,
press down on collet and pull connector.

4.

Disconnect

pipe

to

fuel

tank

using

tank.

LRS-19-002.

5.

Remove

four

nuts and remove expansion

tank.

ST3440M

RR2872M

Refit

4.

Coat threads

of

sensor with anti-seize

compound.

CAUTION:

To ensure efficiency of sensor

is not

impaired,

DO

NOT allow anti-seize compound

to

come into contact with sensor nose.

5. Fit sensor and tighten to a torque of 20 Nm.

using service tool LST-134.

Refit

6.

Connect electrical plugs and battery lead.

6.

Reverse removal instructions.

CHARCOAL CANISTER DEFENDER

110

HEATEDOXYGENSENSOR NOTE:

If crimped hoses

are removed

it

is

essential that they are recrimped on reassembly

Remove sensors from exhaust

system

only

when

to

ensure a leak free joint.

engine is cold.

Remove

Remove

1. Disconnect battery negative lead.

2. Disconnect both purge lines.
3. Release canister from mounting.

1 .

Disconnect battery negative lead.

2.

Disconnect electrical plugs from sensors.

3. Remove

sensors

from exhaust downpipes.

4

REVISED: OCT

1993

RR2606E

RR3899M

EMISSION CONTROL

Refit

5.

Reverse removal procedure ensuring pipes
are securely crimped.

CHARCOAL CANISTER

DEFENDER

90

Remove

1.

Disconnect battery negative lead.

2. Pry

out purge valve.

4.

Loosen

bracket retaining bolt.

Refit

3.

Disconnect pipe.

4.

Reverse removal procedure. Ensure that

5.

Remove charcoal canister.

canister

is

securely located and

both

purge

lines

are fitted correctly

to

canister.

CHARCOAL CANISTER

-

PURGE VALVE

DEFENDER

110

Remove

1. Disconnect battery negative lead.

2. Disconnect two purge valve pipes.

3

Disconnect electrical connection.

4

Remove edge clip retaining purge valve and
withdraw purge valve.

Refit

6. Reverse removal procedure

REVISED: OCT

1993

EMISSION CONTROL

RR595M

POSITIVE CRANKCASE VENTILATION AIR

POSITIVE CRANKCASE VENTILATION

INTAKE FILTER

BREATHER FILTER

The PCV air intake filter is located at rear of left

Remove

hand rocker cover, beneath throttle linkage bracket.

Remove

2.

Unscrew canister and remove.

1. Release hose clamp, pull hose off canister

3.

Remove large rubber 'O' ring, inspect

for

1.

Pry filter cover upwards to release

it.

deterioration.

2.

Remove filter

from

cover and discard.

4.

Inspect condition

of

wire screen within

canister, if necessary, replace assembly. If
filter unit is

in

acceptable condition, clean as

follows.

3. Insert new filter into filter cover.

5.

Immerse canister

in

small amount of solvent

4.

Press filter onto mounting until it clips firmly

(mineral spirits), allow solvent to dissolve

or

into position.

loosen debris.

6.

Remove canister from solvent, allow to dry in
still air.

WARNING: D o not use compressed air to dry,
clean or remove particles of debris within the
canister. This could cause fire or personal injury.

Refit

7. Fit a new ' 0 ' ring to original Canister
8 Screw canister into rocker cover securely -

hand tight only.

9

Refit hose, tighten hose clamp securely

Refit

6

RE-ISSUED: FEB 1993

ST3418M

Defender 90 Emissions label -

1994

Model

Year

ST3459M

EMISSION

CONTROL

EMISSION LABEL

A vehicle Emission Control information label is located in the engine compartment. On Defender 110 vehicles it
is attached to the air conditioning unit. On Defender 90 vehicles it is adhered to the underside of the hood. The
label gives Engine Tune Details to ensure that correct emission levels are achieved. The label is fitted to

comply with U.S Federal and State of California Regulations and should not be removed from its location within
the vehicle.

Defender

110

Emissions label - 1993

Model Year

REVISED: OCT 1993

7