Discovery 2. Manual — part 37

ENGINE - V8

REPAIRS 12-2-21

5. Release coolant rail from inlet manifold and

discard 'O' ring.

6. Remove nuts securing alternator cables and

release cables from alternator.

7. Disconnect multiplugs from RH bank of

injectors and release harness from fuel rail.

8. Release ht leads from clips on rocker cover.

9. Noting fitted position of 2 long screws or multi-

hex bolts, remove and discard screws/bolts
securing rocker cover; remove rocker cover.

10. Remove and discard rocker cover gasket.

Refit

1. Clean mating faces of rocker cover and

cylinder head, ensure bolt holes are clean and
dry.

2. Fit a new gasket dry, position rocker cover

ensuring gasket is correctly located.

3. Fit new 'patched' multi-hex rocker cover bolts

ensuring that 2 short bolts are on side of rocker
cover nearest centre of engine.

4. Tighten bolts by diagonal selection to:

l

Stage 1 - 3 Nm (2.5 lbf.ft)

l

Stage 2 - 8 Nm (6 lbf.ft)

5. Ensure that outer rim of gasket is correctly

positioned around periphery of rocker cover.

6. Secure ht leads in rocker cover clips.
7. Secure injector harness to fuel rail and connect

multiplugs to injectors.

8. Position alternator cables, and tighten terminal

B+ nut to 18 Nm (13 lbf.ft) and terminal D+ nut
to 5 Nm (3 lbf.ft).

9. Clean coolant rail 'O' ring recess.

10. Lubricate and fit new 'O' ring to coolant rail,

position coolant rails, fit bolts and tighten to 22
Nm (16 lbf.ft).

11. Models with SAI: Apply a small amount of

engine oil to top of air manifold union nuts and
around air manifold pipes.

12. Models with SAI:Position air manifold and

finger tighten both air manifold union nuts.

CAUTION: Finger tighten union nuts as far
as possible, damage to air manifold pipes or
adapters may result if this is not done.

13. Models with SAI: Tighten both union nuts to

25 Nm (18 lbf.ft).

CAUTION: Ensure that air manifold pipes
are not distorted during tightening
operation.

14. Fit upper inlet manifold.

+

MANIFOLDS AND EXHAUST

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

15. Refill cooling system.

+

COOLING SYSTEM - V8,

ADJUSTMENTS, Drain and refill.

ENGINE - V8

12-2-22 REPAIRS

Mounting - front - LH

$% 12.45.01

Remove

1. Release turnbuckles 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 underbelly panel.

+

EXTERIOR FITTINGS, REPAIRS,

Panel - underbelly.

5. Position a jack beneath the sump, and support

the engine on the jack.

CAUTION: To prevent damage to
components, cushion the jack pad with a
block of wood or hard rubber.

6. Remove 2 nuts securing engine mountings to

chassis.

7. Remove nut securing LH mounting to cylinder

block.

8. Raise engine sufficiently to allow engine

mounting to be removed, take care not to trap
any cables, pipes or harness.

9. Remove engine mounting. Collect heat shield,

if fitted.

Refit

1. Fit heat shield to engine mounting, if fitted.
2. Fit engine mounting ensuring dowel is located.
3. Lower the jack and engage engine mounting

studs in chassis.

4. Fit nuts securing LH engine mounting and

tighten to 85 Nm (63 lbf.ft).

5. Fit underbelly panel.

+

EXTERIOR FITTINGS, REPAIRS,

Panel - underbelly.

6. Remove stand(s) and lower vehicle.
7. Connect battery earth lead.
8. Fit battery cover and secure turnbuckles.

ENGINE - V8

REPAIRS 12-2-23

Mounting - front - RH

$% 12.45.03

Remove

1. Release turnbuckles 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 underbelly panel.

+

EXTERIOR FITTINGS, REPAIRS,

Panel - underbelly.

5. Position a jack beneath the sump, and support

the engine on the jack.

CAUTION: To prevent damage to
components, cushion the jack pad with a
block of wood or hard rubber.

6. Remove 2 nuts securing engine mountings to

chassis.

7. Remove nut securing RH mounting to cylinder

block.

8. Raise engine sufficiently to allow engine

mounting to be removed. Take care not to trap
any cables, pipes or harness.

9. Remove engine mounting.

10. Collect heat shield.

Refit

1. Position heat shield.
2. Fit engine mounting ensuring dowel is located.
3. Lower the jack and engage engine mounting

studs in chassis.

4. Fit engine mounting nuts and tighten to 85 Nm

(63 lbf.ft).

5. Fit underbelly panel.

+

EXTERIOR FITTINGS, REPAIRS,

Panel - underbelly.

6. Remove stand(s) and lower vehicle.
7. Connect battery earth lead.
8. Fit battery cover and secure turnbuckles.

ENGINE - V8

12-2-24 REPAIRS

Mounting - rear - LH

$% 12.45.07

Remove

1. Raise vehicle on lift.

2. Remove 8 bolts securing rear cross member

and remove cross member.

3. Support transfer gearbox on jack.

CAUTION: To prevent damage to
components, cushion the jack pad with a
block of wood or hard rubber.

4. Release and disconnect HO2S multiplug.

5. Remove nut securing mounting to body

bracket.

6. Remove nut securing mounting to mounting

bracket.

7. Remove 4 bolts securing mounting bracket to

gearbox.

8. Remove mounting and mounting bracket

assembly.

9. Remove mounting rubber.

10. Remove heat shield, if fitted.

Refit

1. If fitted position heatshield, fit mounting rubber

to mounting bracket, fit nut but do not tighten.

2. Position mounting bracket assembly, fit bolts

securing mounting bracket to gearbox and
tighten to 85 Nm (63 lbf.ft).

3. Fit nut securing mounting to body bracket and

tighten to 48 Nm (35 lbf.ft).

4. Tighten nut securing mounting to gearbox

bracket to 48 Nm (35 lbf.ft).

5. Connect HO2S multiplug and secure to support

bracket.

6. Position rear cross member, fit bolts and

tighten to 26 Nm (19 lbf.ft).

7. Lower vehicle.