catalytic converters JAGUAR X308 1998 2.G User Guide

Automatic Transmission/Transaxle - 4.0L SC V8 - AJ26 - Input Shaft Seal
Disassembly and Assembly of Subassemblies


Special Tool(s)

Oil seal replacer
307-378
1. Disconnect the battery ground lead.
2. Remove the air intake / MAFM assembly, refer to Operation
19.10.30.
3. Raise the vehicle for access.
4. Remove the front muffler, 30.10.18
5. Remove the RH and LH catalytic converters, refer to Operation
17.50.09 and 17.50.10.
6. Drain the transmission fluid, refer to Operation 44.24.02.
7. Remove the transmission unit, refer to Operation 44.20.01.
8. Remove the torque converter fro m the transmission unit, refer
to Operation 44.17.07.

9. Remove the front oil seal.
Using a proprietary tool remove the seal, taking care not
to damage the shaft or bore diameters.
10. Installation is the reverse of the removal procedure noting
that:

11. Fit the oil seal.
1. Lubricate the housing seal bore.
2. Lubricate the outside diameter of the seal.
3. Using seal replacer 307 - 379, drive the seal squarely into place.

All vehicles are fitted with a stainless steel exhaust system which features:
Low back-pressure gas flow. Catalytic converters for mark ets having unleaded fuel. Front muffler common to the left-hand and right-hand engine cylinder banks.
Downpipe Catalytic Converter Assembly

Ex
haust System - Front Muffler4.0L
NA V8 - AJ27/3.2L NA V8 - AJ26
Remo
val and Installation
Remov
a
l
Installation
1. Ra
ise the vehicle on a ramp.

2. Move the front muf f
ler forwar
d to allow the intermediate
mufflers to be displaced.
Slac ken t
he clamps (left-hand and right-hand sides),
catalytic converter to front muffler.

3. Slacken the clamps (left-ha nd and right-hand sides),
i
ntermediate mufflers to front muffler.
4. Remove the front muffler.
Di
sconnect the front muffler
from the intermediate
mufflers and then from the downpipe catalytic converters.

5. Clean and inspect al l ex
haust joints.
1. Fit the front muffler.
Fi
t the front muffler fully into the downpipe catalytic
converters and then slide it rearward to engage the
intermediate mufflers.

2. Correctl
y position the front muffl
er in the catalytic converters
to align the correct reference / index indicator ring..
Tigh ten th
e clamps (left-hand
and right-hand sides), front
muffler to catalytic converters.
3. Correctly position the intermedia te mufflers to the front muffler
to align the correct refere nce / index indicator ring.

Ex
haust System - Front Muffler4.0L SC V8 - AJ26
Re
mo
val and Installation
Remov
a
l
Installation
1. Ra
ise the vehicle on a ramp.

2. Separate the front muf f
ler flan
ge joints from the downpipe
catalytic converters.
Slac ken t
he flange nuts (left-hand and right-hand sides),
catalytic converter to front muffler.

3. Slacken the clamps (left-ha nd and right-hand sides),
i
ntermediate mufflers to front muffler.
Move both i
n
termediate mufflers rearwards, as far as
possible.
4. Remove the flange nuts (lef t-hand and right-hand sides),
catalytic converter to front muffler.

5. Re
move the bolts which secure th
e front muffler rear mounting
to the rear of the gearbox.
6. Remove the front muffler.
Di
sconnect the front muffler fr
om each downpipe flange.
Di
sconnect the front muffler
from the intermediate
mufflers and remove it.
7. Remove the gasket from each front flange joint.
8. Clean and inspect al l exhaust joints.
1. Fit the front muffler.

F
it the front muffler fully into
the intermediate mufflers.

2. Con
nect the front muffler flanges to the catalytic converters.
F

it a new gasket to each flange.
Con

nect the front muffler flanges to the catalytic
converters; move the front muffler / intermediate
mufflers assembly forwards.
Tigh
ten the flange nuts (left-hand and right-hand sides),
front muffler to catalytic converters.

3. F
it the bolts which secure the front muffler rear mounting to
the rear of the gearbox.

4. Re
position the intermediate mu
fflers to the front muffler to
align the correct referenc e / index indicator ring.
Ti
ghten the clamps (left-han
d and right-hand sides),
intermediate mufflers to front muffler.
5. Lower the ramp.

Exhaust System - Intermediate Muffler LH4.0L NA V8 - AJ27/3.2L NA V8 -
AJ26
Re mo
val and Installation
Remova

l
1.
Ra
ise the vehicle on a four-post ramp.
2. Raise the rear of the vehicle bo dy and support on two stands,
located under the re ar jacking points.

3. Disc
onnect the intermediate
muffler from the rear muffler.
Slacken the securi
ng clamp, re
ar muffler to intermediate
muffler and separate the in termediate muffler from the
rear muffler.

4. Move the front muf f
ler forwar
d to allow the intermediate
muffler to be removed.
Sl acke
n the securing clamps (left-hand and right-hand
sides) front muffler to downpipe catalytic converters.
Move the front muf f
ler
assembly forward.

5. Re
move the intermediate muffler.
Sl
acken the securi
ng clamp, front muffler to intermediate
muffler and separate the in termediate muffler from the
front muffler.
6. Remove the muffler assembly from the axle carrier and from
the over-axle mounting rubber.

I
nstallation

7.
Clean and inspect al l e
xhaust joints.

1. Fi
t the intermediate muffler assembly.
F

it the muffler assembly to the axle carrier and to the
over-axle mounting rubber.

2. Locate the intermedi
ate muffl
er to the front muffler.

3. Cor
rectly position the front muffl
er in the catalytic converters
to align the correct reference / index indicator ring..
Tigh
ten the clamps (left-hand
and right-hand sides), front
muffler to catalytic converters.
4. Correctly position the intermedia te muffler at the front muffler
to align the correct reference / index indicator ring..
Tigh
ten the clamp, intermediate
mufflers to front muffler.

Exhaust System - Intermediate Muffler RH4.0L NA V8 - AJ27/3.2L NA V8 -
AJ26
Re mo
val and Installation
Remova

l
1.
Ra
ise the vehicle on a four-post ramp.
2. Raise the rear of the vehicle bo dy and support on two stands,
located under the re ar jacking points.

3. Disc
onnect the intermediate
muffler from the rear muffler.
Slacken the securi
ng clamp, re
ar muffler to intermediate
muffler and separate the in termediate muffler from the
rear muffler.

4. Move the front muf f
ler forwar
d to allow the intermediate
muffler to be removed.
Sl acke
n the securing clamps (left-hand and right-hand
sides) front muffler to downpipe catalytic converters.
Move the front muf f
ler
assembly forward.

5. Re
move the intermediate muffler.
Sl
acken the securi
ng clamp, front muffler to intermediate
muffler and separate the in termediate muffler from the
front muffler.
6. Remove the muffler assembly from the axle carrier and from
the over-axle mounting rubber.

I
nstallation

7.
Clean and inspect al l e
xhaust joints.

1. Fi
t the intermediate muffler assembly.
F

it the muffler assembly to the axle carrier and to the
over-axle mounting rubber.

2. Locate the intermedi
ate muffl
er to the front muffler.

3. Cor
rectly position the front muffl
er in the catalytic converters
to align the correct reference / index indicator ring..
Tigh
ten the clamps (left-hand
and right-hand sides), front
muffler to catalytic converters.
4. Correctly position the intermedia te muffler at the front muffler
to align the correct reference / index indicator ring..
Tigh
ten the clamp, intermediate
mufflers to front muffler.