JAGUAR X308 1998 2.G Workshop Manual

Engine - Engine Fron
t Cover Gasket
In-v
ehicle Repair
Remov

al
1.
O
pen the engine compartment and fit paintwork protection
sheets.
2. Set the bonnet to the service access position.

3. Di
sconnect the batt
ery ground cable.
R
emove the battery cover.
4. Drain the coolant from the radiator. Refer to Operation
26.10.01.

5. Disc
onnect the radiator top hose.
1. Slacken the hose retaining clip and reposition the clip
along the hose.
2. Disconnect the hose from the radiator.

6. Di
sconnect the top hose from the coolant outlet pipe.
1. Release and reposition th e hose clip, and disconnect
the top hose.
7. Slacken the three screws which secure the water pump pulley.

8. Remove the drive belt
from
the generator and accessory
drive.
1. Use a spanner e.g. Churchill JD - 230 or Snap On XDHM 1415, on the centre bo lt of the belt tensioner
idler pulley, to turn the adju ster assembly to the left
against spring tension.
2. Whilst holding the tensioner against spring tension, remove the drive belt from the generator pulley.
Release the tensioner sl owly and remove the
spanner.
D i
sconnect the belt from the
other pulleys and remove it.


9. Remove t
he pulley from the water pump.
1. Remove the pulley securing screws.
2. Remove the pulley from the water pump.
10. Remove the belt tensione r assembly, from the Front
Accessory Drive. Refer to Operation 12.10.41.
11. Remove the idler pulley, from the Front Accessory Drive.
Refer to Operation 12.10.43.
12. Remove the crankshaft damper. Refer to Operation 12.21.09.
13. Carefully remove the engine covers, taking care not to
damage the plasti c fixings or the rubber inserts.
14. Disconnect the intake tube from the throttle body.
1. Remove the two bolts which secure the intake tube to the throttle body.
2. Disconnect the intake tube from the throttle body.

15
.
Disconnect the air cleaner cover.
R
elease the five clips which se
cure the air cleaner cover.
16. Disconnect the air flow meter multi-plug.

17
.
Remove the intake tube / air flow meter / air cleaner cover
assembly.
1. Remove the intake tube / air flow meter / air cleaner
cover assembly.
2. Remove and discard the ru bber seal; air intake tube
to throttle body.
18. Remove the purge valve, fro m the evaporative control
system. Refer to Operation 17.45.01.
19. Remove the on-plug ignition coils. Refer to Operation
18.20.41 and 18.20.42.
20. Remove the camshaft covers. Refer to Operations 12.29.43
and 12.29.44.
21. Remove the variable valve ti ming solenoids. Refer to
Operation18.30.63.
22. Disconnect the engine harness retaining clips from the timing
cover.

23. R
emove the timing cover securing bolts.
1. Remove the twenty-fou r bolts which secure the
timing cover.

24 . R
emove the timing cover, step 1.
Ease the cover towards the front of
the
vehicle to separate

it from the engine.

25 . R
emove the timing cover, step 2.
Stan
din
g at the right hand side
of the vehicle, rotate and
manoeuvre the cover upwards to clear the water pump
and hoses.
26. Remove the timing cover, step 3.
Lift the cover cl
ear of th
e engine compartment.

I
nstallation


27
.
Remove and discard the inner and outer seals from the timing
cover.
1. Remove the seal from the inner groove on the face of the timing cover.
2. Remove the seal from the outer groove on the face of
the timing cover.
Chec
k the condition of the oil seal and renew as
necessary.
28. Clean all parts and mating faces.

1. Fi
t new seals to the timing cover.
1. Fit and fully locate, a new seal to the inner groove on the face of the timing cover.
2. Fit and fully locate, a new seal to the outer groove on the face of the timing cover.

2. Appl
y sealant to the eight joints on the engine face.
Sealant

beads to be 3mm di
ameter and 12mm long. Cut
the nozzle of the sealant tube to produce a 3mm bead.
(Fit and tighten the securing bolts within twenty minutes
of sealant application)
3. Refit the timing cover, step 1.
Lo
wer the cover into the engine compartment, to its
approximate position.

4. Refit the timing cover, step 2.
Standing at the right hand side of the vehicle, rotate and
manoeuvre the cover downwards to clear the water pump
and hoses.

5. Refit the timing cover, step 3.
Ease the cover towards the engi ne and locate it directly
onto the dowels so that th e gaskets or sealant are not
smeared.
6. Fit and tighten the securing bolt s in the correct order. Tighten
to 11-13 Nm.

7. Reposition and secure the engine harness clips to the timing
cover.
8. Refit the variable valve timing solenoids. Refer to Operation
18.30.63.
9. Refit the camshaft covers. Refer to Operations 12.29.43.and
12.29.44.
10. Refit the on-plug ignition coils and coil covers. Refer to
Operation 18.20.41 and 18.20.42.
11. Refit the purge valve. Refer to Operation 17.45.01.
12. Fit the intake tube / air flow meter / air cleaner cover
assembly.
1. Fit a new rubber seal; air in take tube to throttle body.

2. Fit the intake tube / air flow meter / air cleaner cover
assembly.

13. Reconnect the air cleaner cover.
Fit the five clips which secu re the air cleaner cover.

14. Connect the intake tube to the throttle body.
1. Connect the intake tube to the throttle body.
2. Fit the two bolts which secure the intake tube to the throttle body.
15. Reconnect the air flow meter multi-plug.
16. Refit the engine covers.
17. Refit the crankshaft damper. Refer to Operation 12.21.09.
18. Refit the idler pulley, to the Front Accessory Drive. Refer to
Operation 12.10.43.
19. Refit the belt tensioner assembly, to the Front Accessory
Drive. Refer to Operation 12.10.41.

20. Refit the pulley to the water pump.
1. Refit the pulley to the water pump.
2. Fit the pulley securing screws. Tighten as far as
possible; then to the correct torque after the belt has
been fitted.

21
.
Refit the drive belt to the generator and accessory drive.
Locat
e the belt around the pulleys, except the generator
pulley.
1. Use a spanner e.g. Churchill JD - 230 or Snap On XDHM 1415, on the centre bo lt of the belt tensioner
idler pulley, to turn the adju ster assembly to the left
against spring tension.
2. Whilst holding the tensioner against spring tension, connect the drive belt to the generator pulley.
Release the tensioner sl owly and remove the
spanner.

22
.
Tighten the three screws wh ich secure the water pump
pulley, to 10-14 Nm.

23
.
Connect the top hose to the coolant outlet pipe.
1. Connect the top hose. Reposition the hose clip and tighten.

24
.
Connect the radiator top hose.
1. Connect the hose to the radiator.
2. Reposition the clip along the hose and tighten the clip.
25. Reset the bonnet to the normal position and connect the gas
struts.
26. Connect the battery and fit the battery cover.
Re
fer to the Battery Reconnection Procedure 86.15.15.
27. Refill the cooling system. Refer to Operation 26.10.01.


28

.
Remove the paintwork protection sheets and close the engine
compartment.

Engine - Exhaust Camshaft LH
In-vehicle Repair
Removal
Installation
1. Open the engine compartment and fit paintwork protection
sheets.
2. Set the engine compartment cover to the service access
position.

3. Disconnect the batt ery ground cable.
Remove the battery cover.
4. Remove Exhaust Camshaft Sp rocket. Refer to Operation
12.65.74.
5. Remove the camshaft locking tool 303 - 530 (fitted for
previous operation).

6. Remove the camshaft.
1. Remove the bolts which secure the camshaft caps; loosen them evenly, in stages.
2. Remove the camshaft caps. Note their orientation and
markings - each is marked with its position (a
number) and orientation (an arrow).
3. Remove the camshaft from the engine.
7. Clean and inspect all relevant components.

1. Apply oil (EP - 90) to the cams haft and bearing surfaces, as
follows:
To the upper face of each be aring surface (two places) in
the cylinder head.
To the upper face of each be aring surface (two places) in
each bearing cap.
On the cam lobes ONLY, not on the base circle area.
2. Refit the camshaft.
1. Fit the camshaft to position in the cylinder head, with the timing flats uppermost.