1998 JAGUAR X308 Workshop Manual

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Page 1257 of 2490

JAGUAR X308 1998 2.G Workshop Manual I
nstallation

1.
N
OTE: Install new seals.
Installation is a reversal of the removal procedure.

Page 1258 of 2490

JAGUAR X308 1998 2.G Workshop Manual El
ectronic Engine Controls - Variable
Camshaft Timing (VCT) Oil Control
Solenoid
Re mo
val and Installation
Remova

l
1.
Op
en the engine compartment and fit paintwork protection
sheets.

Page 1259 of 2490

JAGUAR X308 1998 2.G Workshop Manual I
nstallation

1.
Fi
tting a new VVT solenoid assembly is the reverse of the
removal procedure. Fit a new O-ri ng, lubricated with petroleum
jelly,.

2. F
it and tighten the two bolts to

Page 1260 of 2490

JAGUAR X308 1998 2.G Workshop Manual Automatic Transmission/Transaxle - 4.0L NA V8 - AJ27/3.2L NA V8 - AJ26
-
Lubri c
ants, Fluids, Sealants and Adhesives - ZF Au
tomatic Transmission (Normally Aspirated Vehicles)
Capacities - ZF Au

Automatic Transmission/Transaxle - 4.0L NA V8 - AJ27/3.2L NA V8 - AJ26
-
Lubri c
ants, Fluids, Sealants and Adhesives - ZF Au
tomatic Transmission (Normally Aspirated Vehicles)
Capacities - ZF Automatic Transmission (Normally Aspirated Vehicles)
Torques - ZF Automatic Transmission (Normally Aspirated Vehicles)
Internal Gear Ratios

UnitS p
ecification
Transmissi
on fluidEsso
ATF LT 71141
Torque converter spigotMolyc
o
te or equivalent
UnitLi
t
ers
Transmissi
on fluid (with
torque converter)
10
,0
Com p
onent
Nm
Locki
n
g ferrule - Shift knob
7 -

10
P
l
ug - Drain fluid pan
27
-
33
P
l
ug - Level / fill (transmission case M18 x 1.5)
32
-
38
Tu
be
nut - Cooler pipe to transmission unit
17
-
23
B
o
lt - Drive plate to torque converter
43
-
57
B
o
lt - Driveshaft coupling to transmission
75
-
88
Bo
lt
- Fluid filter to valve block
4,
5 -
5,5
Bolt
-
Fluid pan to transmission case
9 -

11
B
o
lt - Rear extension housing to transmission case
21
-
25
Bolt
-
Rear engine (isolation) mounting to mounting bracket
22
-
28
Bolt -
Rear engine moun
ting bracket to body
22
-
28
Bolt
-
Rear engine mounting bracke
t to transmission rear extension
30 -
40
B
o
lt - Selector cable bracket to transmission case
7 -

10
Bolt
-
Transmission unit to engine
43
-
57
Nu
t -
Transmission drive flange
1
08 -
132
Nu
t -
Selector cable inner to shift lever
1,
5 -
2,5
Nu
t -
Selector cable inner to selector lever
7 -

10
Nu
t -
Selector cable outer to bracket
22
-
28
Nu
t
- Selector lever pivot shaft
7 -

10
Nu
t -
Shift interlock solenoid to housing
5 -
7
Nut -
Shift interlock solenoid actuating lever
11
-
13
Sc
re
w - Input sensor bracket to transmission case (M5)
4,
5 -
5,5
Screw
-
Output sensor bracket to transmission case (M6)
7,
5 -
8,5
Screw
-
Solenoid / regulator plate to valve body
4,
5 -
5,5
Sc
re
w - Valve block to transmission case
7,
5 -
8,5
GearRatio
1s
t3,57
1:1
2n
d2,2:
1
3r
d1,50
8:1
4t
h1,00
:1
5t
h0,80
3:1
Re
ve
rse
4,
06
3:1

Page 1261 of 2490

JAGUAR X308 1998 2.G Workshop Manual Automatic Transmission/Transaxle - 4.0L NA V8 - AJ27/3.2L NA V8 - AJ26
- Transmission Descriptio
n
Description an
d Operation
Transmission As

sembly
Int
roduction

Compon
ent Descriptions
Th

Page 1262 of 2490

JAGUAR X308 1998 2.G Workshop Manual Contains th
e hydraulic system pump.
Contains
th
e fluid temperature sensor.
The epicyclic geartrain:
Provi des fi
ve forward gears and Reverse.
Has
h
ydraulically actuated, m

Contains th
e hydraulic system pump.
Contains
th
e fluid temperature sensor.
The epicyclic geartrain:
Provi des fi
ve forward gears and Reverse.
Has
h
ydraulically actuated, multi-disk clutches, to select the required gear ratios.
Feature

s clutch-to-clutch operation to permit
gear shifts for uninterrupted power flow.
The electro-hydraulic control unit:
Is lo c
ated in the lower part of
the unit, within the fluid pan.
Is controlled
by the TCM (transmissio
n control module), and the manual selector valve which is cable operated.
Re
gulates the flow of fluid to the ge
artrain clutches via three solenoid-operated valv es and the manual selector
valve.
Has fi ve pressure
regulators for controll
ing fluid pressures within the system.
Is con
nected to the TCM via a 16-way connector mounted on
the left-hand side of the transmission casing. Refer to
Connector Pins Identification, Section 307-01A.
The hydraulic system pump:
Is l o
cated at the front of the transmission casing.
Is dri
v
en from the impeller hub,
pressurising the fluid whenever the engine is running.
Supplie
s fluid under pressure to the torq
ue converter, geartrain, electro-hydr aulic control unit and the lubrication
circuit.
D r
aws fluid from the fluid pa
n below the transmission casing, through a filter.
The rear extension housing:
Is bolt
ed to the rear of the transmission casing.
Provides the rear engine / transmi

ssion mo
unting point; refer to section 303-01.
Carrie
s the transmission output shaft oil seal.
Filled-for-l
i
fe Fluid System
The
transm
ission is 'filled for life' and
does not require fluid changes, except where extreme driving conditions prevail.
Routine level checking is not required and a dipstick is not pr ovided. A level / filler plug is fitted for level checking and
replenishment, following service actions; see 303-01 General Procedures.
Transmission Torque Converter

Page 1263 of 2490

JAGUAR X308 1998 2.G Workshop Manual
Op
eration
The T
ransmission Control Module (TCM) is
able to monitor the state of the torque converter clut ch at all times.
There are three operating modes for the converter
1. 1. Fully open -

Page 1264 of 2490

JAGUAR X308 1998 2.G Workshop Manual
Opera
tion
F
l
uid flow within the transmission assembly is controlled
by three solenoid valves and five pressure regulators.
The TCM supplies an internally switched +12V supply to each sh ift

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