Discovery 2. Manual — part 501

ENGINE MANAGEMENT SYSTEM - V8

REPAIRS 18-2-83

Injectors

$% 19.60.12

Remove

1. Remove upper manifold.

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MANIFOLDS AND EXHAUST

SYSTEMS - V8, REPAIRS, Gasket - inlet
manifold - upper - Without Secondary Air
Injection.

2. Carefully manoeuvre ignition coil assembly

from between inlet manifold and bulkhead.

3. Position absorbent cloth beneath fuel pipe to

catch spillage.

4. Disconnect fuel feed hose from fuel rail

CAUTION: Always fit plugs to open
connections to prevent contamination.

5. Release injector harness from fuel rail and

disconnect injector multiplugs.

6. Remove 4 bolts securing fuel rail to inlet

manifold.

7. Release injectors from inlet manifold and

remove fuel rail and injectors.

8. Release spring clips securing injectors to fuel

rail and remove fuel injectors.

9. Remove and discard 2 'O' rings from each

injector.

10. Fit protective caps to each end of injectors.

Refit

1. Clean injectors and recesses in fuel rail and

inlet manifold.

2. Lubricate new 'O' rings with silicone grease

and fit to each end of injectors.

3. Fit injectors to fuel rail and secure with spring

clips.

4. Position fuel rail assembly and push-fit each

injector into inlet manifold.

ENGINE MANAGEMENT SYSTEM - V8

18-2-84 REPAIRS

5. Fit bolts securing fuel rail to inlet manifold and

tighten to 9 Nm (7 lbf.ft).

6. Connect fuel feed hose to fuel rail.
7. Connect injector harness multiplugs and

secure to fuel rail.

8. Carefully position ignition coil assembly

between inlet manifold and bulkhead.

9. Fit upper manifold.

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MANIFOLDS AND EXHAUST

SYSTEMS - V8, REPAIRS, Gasket - inlet
manifold - upper - Without Secondary Air
Injection.

Actuator - cruise control

$% 19.75.05

Remove

1. Release clip and disconnect inner cable from

actuator.

2. Release outer cable from actuator mounting

bracket.

3. Release vacuum hose from actuator.
4. Remove nut, and remove actuator from

mounting bracket.

Refit

1. Position actuator and tighten retaining nut.
2. Connect vacuum hose to actuator.
3. Connect outer cable to mounting bracket.
4. Connect inner cable to actuator.

ENGINE MANAGEMENT SYSTEM - V8

REPAIRS 18-2-85

Vacuum control unit - up to 03MY

$% 19.75.06

Remove

1. Disconnect vacuum hose from actuator.

2. Disconnect multiplug from vacuum control unit.
3. Release 3 rubber mountings securing control

unit, and remove from mounting bracket.

4. Remove vacuum hose from control unit.

Refit

1. Position vacuum hose to control unit.
2. Position control unit and secure mountings.
3. Connect multiplug and vacuum hose.

Vacuum control unit - from 03MY

$% 19.75.06

Remove

1. If fitted: Remove 2 nuts securing heat shield

and remove heat shield.

2. Disconnect vacuum hose from actuator.

ENGINE MANAGEMENT SYSTEM - V8

18-2-86 REPAIRS

3. Disconnect multiplug from control unit.
4. Release 3 rubber mounting securing control

unit to mounting bracket and remove control
unit.

Refit

1. Position control unit and secure mountings.
2. Connect multiplug and vacuum hose.
3. If fitted: Fit heat shield, fit nuts and tighten to

10 Nm (7 lbf.ft).

Cable - cruise control

$% 19.75.10

Remove

1. Release clip and disconnect inner cable from

actuator.

2. Release outer cable from actuator mounting

bracket.

3. Loosen cable locknuts, release outer cable

from abutment bracket and retaining clip.

4. Release inner cable from operating lever and

remove cable.

Refit

1. Position cable and connect to operating lever.
2. Position cable to abutment bracket.
3. Position outer cable to actuator mounting

bracket and connect inner cable to actuator.

4. Adjust cruise control cable.

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ENGINE MANAGEMENT SYSTEM -

V8, ADJUSTMENTS, Cable - cruise control.