1998 JAGUAR X308 ECU

Installation


9. Remove the manifold.
1. Remove the manifold and the manifold gasket from the cylinder head.
2. Remove the gasket from the EGR flange.
10. If fitting a new manifold, remove the two studs from the EGR
flange of the manifold. and transfer them to the new manifold.
11. Clean the manifold faces (if refi tting) and the mating faces on
the cylinder head.
12. Use a thread tap (plug) to clean out the threads of the
manifold securing bolt holes, in the cylinder head.
1. Fit a spacer to each new manifo ld securing bolt (8 bolts).

2. Fit the manifold and manifold gasket.
1. Fit and align the new gasket to the cylinder head.
2. Fit and align the manifo ld to the cylinder head.
3. Fit the rear four bolts wh ich secure the manifold, but
do not tighten.
3. Working from above the vehicle, fit and tighten the remaining
manifold securing bolts.
4. Working from below the vehicle, fu lly tighten the rear bolts on
each manifold.
5. Refit the steering rack (if removed for access).
1. Reposition th e steering rack.
2. Fit and tighten the rack mounting bolts on the passenger side.

3. Tighten the rack mounting bolts on the driver's side.

6. From above the vehicle, connect the EGR pipe to the exhaust
manifold.
1. Fit a new EGR gasket to the manifold.
2. Reposition the EGR pipe to the manifold.
3. Fit the two nuts which secure the EGR flange to the exhaust manifold.
7. Fit the downpipe catalytic converter, right hand side. Refer to
Section 309-00.
8. Fit the front silencer. Refer to Section 309-00.
9. Fit the air cleaner assembly . Refer to Section 303-12.
10. Remove paintwork protection sheets and close the engine
compartment.

Engine - Exhaust Manifold Gasket LH and RH
In-vehicle Repair
1. Open the engine compartment and fit paintwork protection
sheets.
2. Remove the downpipe catalytic converter, right hand side.
Refer to Section 309-00.
3. Remove the downpipe catalytic co nverter, left hand side. Refer
to Section 309-00.
4. Remove the front silencer. Refer to Section 309-00.
5. Remove the air cleaner assemb ly. Refer to Section 303-12.

6. Working from above the vehicl e, remove the bolts which
secure the front sectio n of the left hand exhaust manifold to
the cylinder head.

7. Working from below the vehicle, reposition the steering rack
for access.
1. Remove the two bolts which secure the steering rack at the driver's side.
2. Loosen, but do not remove, the two bolts which secure the steering rack at the passenger side.
Reposition the steering rack for access.

8. Working from below the vehicl e, remove the manifold.
1. Remove the bolts which secu re the rear section of the
exhaust manifold to the cylinder head.
2. Remove the manifold and the manifold gasket.
9. From above the vehicle, disconnect the EGR pipe from the
right hand exhaust manifold.
1. Remove the two nuts whic h secure the EGR flange to
the right hand exhaust manifold.
2. Reposition the EGR pipe from the manifold.

10. Remove the bolts which secure the front section of the right
hand exhaust manifold to the cylinder head.

11. Working from below the vehicle, remove the manifold bolts.
1. Remove the bolts which secu re the rear section of the
exhaust manifold to the cylinder head.

12. Remove the manifold.
1. Remove the manifold and the manifold gasket from the cylinder head.
2. Remove the gasket from the EGR flange.
13. If fitting a new manifold, remove the two studs from the EGR
flange of the manifold. and transfer them to the new manifold.
14. Clean the manifold faces (if refitting), the EGR pipe flange
and the mating faces on the cylinder head.
15. Use a thread tap (M8 x 1,25 plug) to clean out the threads of
each manifold securing bolt hole, in the cylinder heads.

Installation

1.
Use new manifold securing bolt s and.fit a spacer to each.

2. Fit each manifold and manifold gasket.
1. Fit and align the new gasket to the cylinder head.
2. Fit and align the manifo ld to the cylinder head.
3. Fit the rear four bolts wh ich secure the manifold, but
do not tighten.
3. Working from above the vehicle, fit and tighten the remaining
manifold securing bolts.
4. Working from below the vehicle, fu lly tighten the rear bolts on
each manifold.

5. Refit the steering rack.
1. reposition the steering rack.
2. Fit and tighten the rack mounting bolts on the driver's
side.
3. Tighten the rack mounting bolts on the passenger side.

6. From above the vehicle, connect the EGR pipe to the right
hand exhaust manifold.
1. Fit a new EGR gasket to the manifold.
2. Reposition the EGR pipe to the manifold.
3. Fit the two nuts which secure the EGR flange to the exhaust manifold.
7. Fit the downpipe catalytic converter, left hand side. Refer to
Section 309-00.
8. Fit the downpipe catalytic converter, right hand side. Refer to
Section 309-00.
9. Fit the front silencer. Refer to Section 309-00.
10. Fit the air cleaner assembly . Refer to Section 303-12.
11. Remove paintwork protection sheets and close the engine
compartment.

Engine - Flexplate4.0L NA V8 - AJ27/3.2L NA V8 - AJ26
In-vehicle Repair
Removal
Installation
1. Open the engine compartment and fit paint protection sheets.

2. Disconnect the batt ery ground cable.
Remove the battery cover.
3. Remove the Engine Covers, Air Intake Tube, Catalytic
Converters and the Front Muffler. Drain the transmission fluid
and remove the transmission for access.
Refer to Operation 44.20. 01 Transmission Remove, in
Section 307-01A, which includes each of the above
operations.

4. Remove the drive plate.
Prevent the drive plate from rotating by use of a small
wedge in the ring gear.
Remove the bolts which secure the drive plate to the
crankshaft.
Remove the drive plate.
5. Clean the crankshaft mating face and any other components
which are to be refitted.

1. Fit the drive plate.
Fit and align the drive plate to the crankshaft.
Fit, but not tighten, the bolt s which secure the drive plate
to the crankshaft.
Prevent the drive plate from rotating by use of a small
wedge in the ring gear.
2. Tighten the securing bolts in two stages and in the order
shown.

STAGE ONE tighten to 14 - 16 Nm.

3. Tighten the securing bolts in two stages and in the order
shown.
STAGE TWO tighten to 95 - 125 Nm.
4. Refit the Transmission, Catalytic Converters and the Front
Muffler, Air Intake Tube an d Engine Covers. Refill the
transmission with new fluid.
Refer to Operation 44.20. 01 Transmission Install, in
Section 307-01A, which includes each of the above
operations.
5. Remove the paint protection sheets and close the engine
compartment cover.
6. Connect the battery and fit the battery cover.
Refer to the Battery Reconnection Procedure 86.15.15.

Engine - Flexplate4.0L SC V8 - AJ26
In-vehicle Repair
Removal
Installation
1. Open the engine compartment and fit paint protection sheets.

2. Disconnect the batt ery ground cable.
Remove the battery cover.
3. Remove the Engine Covers, Air Intake Tube, Catalytic
Converters and the Front Muffler. Drain the transmission fluid
and remove the transmission for access.
Refer to Operation 44.20. 01 Transmission Remove, in
Section 307-01B, which includes each of the above
operations.

4. Remove the drive plate.
Prevent the drive plate from rotating by use of a small
wedge in the ring gear.
Remove the bolts which secure the drive plate to the
crankshaft.
Remove the drive plate.
5. Clean the crankshaft mating face and any other components
which are to be refitted.

1. Fit the drive plate.
Fit and align the drive plate to the crankshaft.
Fit, but not tighten, the bolt s which secure the drive plate
to the crankshaft.
Prevent the drive plate from rotating by use of a small
wedge in the ring gear.
2. Tighten the securing bolts in two stages and in the order
shown.