ECU JAGUAR X308 1998 2.G Workshop Manual

1.
Remove the blanking plugs from the pipes and
unions. Fit a new sealing washer to the high pressure
hose joint.
2. Connect the high pressure hose union.
3. Connect the feed hose to the pump.

34 . Conne
ct the engine oil
pressure transmitter.

35 .
Fit the radiator and
condense
r assembly. Check that the
lower mounting rubbers are located correctly.

36 . Fit the radiator top
retaining panel.
1. Fit the panel.
2. Check that the radiator top mounting bushes are
located correctly.
37. Fit the radiator top retaining panel.
Fit
the ten bolts which secure the panel.

38
.
Connect the radiator top hose.
1. Connect the hose to the radiator.
2. Reposition and secure the hose retaining clip.

39
.
Connect the radiator bottom hose.
1. Connect the hose to the radiator.
2. Reposition and secure the hose retaining clip.

40
.
Connect the discharge hose to the condenser.
1. Remove the blanking plugs from the hose and condenser.
2. Fit and fully seat a new O-ring seal to the hose.
Lubricate the seal with clean compressor oil
3. Fit the hose to the condenser and tighten the securing bolt.
41. Connect the jump hose to the receiver/drier.
1. Remove the blanking plugs from the hose and receiver/drier.
2. Fit and fully seat a new O-ring seal to the hose.
Lubricate the seal with clean compressor oil

3.
Fit the hose and tighten the securing bolt.

42 . Conne
ct the transmission
oil cooler upper pipe.
1. Remove the blanking plugs from the pipe and the radiator.
Fit and
fully seat a new O-ring
seal to the pipe. Lubricate
the seal with clean transmission oil
2. Reposition and connect the union nut, upper cooler pipe to radiator.

43 . Conne
ct the transmission oil cooler lower pipe.
1. Remove the blanking plugs from the pipe and the radiator.
Fit and
fully seat a new O-ring
seal to the pipe. Lubricate
the seal with clean transmission oil
2. Reposition and connect the union nut, lower cooler
pipe to radiator.
44. Fit the twin fan and motor assembly. Refer to Operation
26.25.12.

45 . Connect
the radiator breather hose.
Re
po
sition the Quick-Fit hose (radiator to expansion tank)
and connect the hose to the radiator.
46. Fit the expansion tank to the vehicle.
1. Remove the pipe clamp if still in place and connect
the hose to the expansion tank.

2
. Reposition and secure the pipe clip.
3. Position the expansion tank to the left side enclosure
panel.

47
.
Fit the expansion tank securing nuts.
1. Connect the coolant level sensor connector.
2. Fit the nuts which secure the tank.

48
.
Connect the hoses (Quick Fit connections) to the expansion
tank.
Remove all blanking plug s
from the pipes and the
expansion tank.
1. Connect the hose, expansion tank to thermostat housing (coolant outlet pipe on supercharged
engines).
2. Connect the hose, expansion tank to recovery tank.
3. Connect the hose, expansion tank to radiator.

49
.
Fit the trim panels to the engine compartment.
1. Locate the centre trim panel.
2. Fit the left hand side enclosure panel.
50. Fit the intake tube / air flow meter / air cleaner cover
assembly.
1. Position the intake tube / air flow meter / air cleaner
cover assembly.
2. Fit a new rubber seal and po sition the air intake tube

to th
e throttle body.

51 . Co
nnect the intake tube to the throttle body.
1. Fit a new seal and connect the intake tube to the throttle body.
2. Fit the two bolts which secure the intake tube to the throttle body.

52 . Conne
ct the air cleaner cover.
F
it
the five clips which secu
re the air cleaner cover.

53 . Re
connect the breather pipe to the A-Bank camshaft cover.
1. Fit a new O-ring seal to the breather pipe.
2. Connect the breather pipe to the stub pipe.
54. Connect the air flow meter connector.
55. Fit a new Ty-strap to secures the vacuum pipe to the
induction elbow.
56. Refill the cooling system. Refer to Operation 26.10.01.
57. NOTE: When the engine is star ted from cold and run for a
short period only, before being swit ched off, a quantity of oil will

Engine Cooling - Coolant Expansi
on Tank
Re
moval and Installation
Remov

al
1.
O
pen the engine compartment and fit paintwork protection
sheets.

2. R
emove the centre trim panel
from the engine compartment.
1. Remove the left hand side enclosure panel.
2. Remove the centre trim panel.
3. Ensure that the cooling system is cool and very carefully,
remove the pressure cap.
4. Place a cloth under the expansion tank to absorb any spillage
caused by disconnecting the hoses.

5. R
elease the hoses (Quick Fit connections) from the expansion
tank.
1. Release the hose, expansion tank to thermostat housing (coolant outlet pipe on supercharged
engines).
2. Release the hose, expansion tank to recovery tank.
3. Release the hose, expansion tank to radiator..
6. Fit blanking plugs to the pipes and the tank.

7. Re
move the expansion tank from the mounting.
1. Disconnect the coolant level sensor connector.
2. Remove the nuts which secures the tank.
8. Remove the expansion tank from the vehicle.
1. Use a pipe clamp to clam p the bottom hose branch.
2. Release the pipe clip an d move it along the pipe.
3. Disconnect the tank from the bottom hose and

Engine Cooling - Coolant Outlet Pipe

Re
moval and Installation
Remov

al
Installation

1.
O
pen the engine compartment and fit paintwork protection
sheets.
2. Drain the radiator. Refer to Ge neral Procedures. Retain the
coolant drain tray in position to catch any spillage when
removing the outlet pipe.

3. Di
sconnect the hoses and multi-plug from the coolant outlet
pipe.
1. Release and reposition th e hose clip, and disconnect
the top hose.
2. Release and reposition th e hose clip, and disconnect
the heater hose.
3. Disconnect the multi-plug from the temperature sensor and unscrew the sens or from the outlet pipe.
4. Release and reposition the hose clip along the bypass
hose.

4. R
emove the coolant outlet pipe.
1. Remove the four bolts which secure the outlet pipe.
2. Remove the outlet pipe from the bypass hose and
from the cylinder heads.
5. Remove and discard the sealing rings from the outlet pipe
grooves.
1. Installation is the reverse of the remova l procedure. Use new
sealing rings on the coolant outlet pipe.
2. Tighten the coolant outlet pipe bolts to 10-14 Nm If replacing
the coolant temperature sensor, tighten to 15-19 Nm.
3. Refill the cooling system as de scribed in General Procedures.

Engine Cooling - Coolant Outlet Pipe
Remo
val and Installation
Remov
a
l
1.
Op
en the engine compartment and fit paintwork protection
sheets.
2. Drain the radiator. Refer to Ge neral Procedures. Retain the
coolant drain tray in position to catch any spillage when
removing the outlet pipe.

3. Disc onne
ct the top hose and br
eather pipe from the coolant
outlet pipe.
1. Release and reposition th e hose clip, and disconnect
the top hose.
2. Release and disconnect the breather pipe quick fit connector.
3. Disconnect the multi-plug from the temperature sensor and unscrew the sens or from the outlet pipe.
4. Release and reposition the hose clip along the bypass
hose.

4. Disc
onnect the bottom hose
from the thermostat housing.
1. Release and reposition th e hose clip along the hose.
2. Disconnect the bottom hose.

5. Disc
onnect the coolant outlet pipe from the cylinder heads.
1. Remove the four bolts which secure the outlet pipe.
2. Remove the outlet pipe from the bypass hose and
from the cylinder heads (still connected to the
heater hose).
6. Release and reposition the clip which secures the heater hose
to the outlet pipe and disconnect the hose. Remove the outlet
pipe.
7. Remove the thermostat from the outlet pipe.
1. Remove the three bolts which secure the thermostat cover to the outlet pipe.
2. Remove the thermostat cover, the thermostat and
the seal from the outlet pipe. Discard the seal.

Engine Cooling - Cooling Fan Motor
Remo
val and Installation
Remov
a
l
Installation

1.
Re
move the Twin Fan and Motor Assembly (26.25.12)
described in this section.

2. Re
move the fan and motor unit from the twin fan and motor
assembly.
1. Remove the three nuts which secure the fan and motor unit.
2. Remove the fan and motor unit.

3. Re
move the fan rubber mountings.
1. Remove the spacer from each rubber mounting.
2. Remove the three rubber mountings.
1. Installation is th e reverse of the re moval procedure.

Engine Cooling - Cooling Fan Motor and Shroud
Re
moval and Installation
Remov

al
Installation


1.
Di
sconnect the batt
ery ground cable.
R
emove the battery cover.
2. Open the engine compartment and fit paintwork protection
sheets.

3. Disc
onnect the harness multip
lug from each cooling fan.
Cut an
d remove the ratchet st
rap which secures each fan
harness to the fan moto r lower support leg.
1. Disconnect the mult iplug from each fan.
Di
sconnect each harness
from the clip on the fan
mounting frame and repo sition the harness.

4. R
emove the two bolts which
secure the fan and motor
assembly to the radiator.
5. Carefully remove the fan and mo tor assembly from the vehicle.

6. Re
move the mounting grommets
and spacer tubes from the
assembly.
1. Installation is the reverse of the remova l procedure. Ensure
that the fan and motor assembly locate into the lower
mountings.
2. Connect the battery and fit the battery cover. Reset the clock
and the radio.