Discovery 2. Manual — part 89

ENGINE MANAGEMENT SYSTEM - V8

REPAIRS 18-2-85

Knock sensor (KS)

$% 18.30.28

Remove

1. Release fixings and remove battery cover.
2. Disconnect battery earth lead.
3. Raise front of vehicle.

WARNING: Do not work on or under a
vehicle supported only by a jack. Always
support the vehicle on safety stands.

4. Remove fixings securing underbelly panel and

remove panel.

5. Disconnect multiplug from KS.
6. Remove nut securing KS to cylinder block and

remove KS.

Refit

1. Clean mating faces of KS and cylinder block.
2. Fit KS to cylinder block and tighten nut to 22

Nm (16 lbf.ft).

3. Connect multiplug to KS.
4. Fit underbelly panel and secure with fixings.
5. Remove stand(s) and lower vehicle.
6. Connect battery earth lead.
7. Fit battery cover and secure the fixings.

ENGINE MANAGEMENT SYSTEM - V8

18-2-86 REPAIRS

Air cleaner assembly

$% 19.10.01

Remove

1. Remove 2 nuts securing air intake ducting.
2. Remove both parts of air intake ducting.

3. Release 2 clips securing MAF sensor, release

2 clips securing air intake hose.

Note: Pre 03 MY air intake hose illustrated.

4. Release air intake hose and position aside.

5. Remove and discard MAF sensor 'O' ring.
6. Release air cleaner assembly from 3

grommets and remove assembly.

Refit

1. Position air cleaner assembly and secure in

grommets.

2. Fit new 'O' ring to MAF sensor.
3. Position air intake hose, secure MAF sensor

clips and tighten intake hose clips.

CAUTION: Ensure MAF sensor 'O' ring is
not displaced during fitting.

4. Fit air intake ducting and secure with nuts.

ENGINE MANAGEMENT SYSTEM - V8

REPAIRS 18-2-87

Element - air filter

$% 19.10.10

Remove

1. Release 2 clips and disconnect MAF sensor

from air filter cover, remove and discard 'O'
ring.

2. Release 2 clips and remove cover from air

filter.

3. Remove air filter element.

Refit

1. Clean air filter body and cover.
2. Fit new air filter element.
3. Position air cleaner cover and secure clips.

CAUTION: Ensure clips are correctly
located on cover.

4. Fit a new MAF sensor 'O' ring, position MAF

sensor and secure clips.

CAUTION: Ensure 'O' ring is not displaced
during fitting.

ENGINE MANAGEMENT SYSTEM - V8

18-2-88 REPAIRS

Cable - throttle

$% 19.20.06

Remove

1. Release 3 fasteners and remove drivers side

closing panel and move aside.

2. Release inner cable from throttle pedal.
3. Release outer cable from bulkhead.

4. Release outer cable from clip, loosen lock nuts

and remove outer cable from abutment
bracket.

5. Release inner cable from operating lever and

remove cable.

Refit

1. Position cable, secure to bulkhead and

connect inner cable to throttle pedal.

2. Position inner cable to operating lever and

connect outer cable to abutment bracket and
retaining clip.

3. Position closing panel and secure fasteners.
4. Adjust throttle cable.

+

ENGINE MANAGEMENT SYSTEM -

V8, ADJUSTMENTS, Cable - throttle.