1994 JAGUAR XJ6 lock

Automatic Transmission (AJI 6)
8.1.3 TRANSMISSION CONTROL MODULE, RENEW
0 (4, OL)
SRO 44.15.32
. Raise the trunk lid and disconnect the battery.
. Remove the passenger side dash liner for access.
Displace and remove the air conditioning footwell outlet
duct.
. Release and remove the footwell carpet securing fastener:
displace and reposition the carpet for access.
Release the Transmission Control Module
(TCM) bracket
to body bracket securing nut
(1 Fig. 1).
. DisplacetheTCM mounting brackettang (2 Fig. 1)fromthe
body bracket and mounting stud.
= Reposition the TCM, release the TCM multi-pin plug lever
lock and disconnect the multi
-pin plug (3 Fig. 1).
. Release and remove the TCM mounting bracket securing
bolts and remove the TCM.
= Fit and align the new TCM to the mounting bracket.
. Fit and tighten the TCM securing bolts.
. Connect the TCM harness multi-pin plug and secure the
Position the TCM to body mounting bracket, ensuring that
Fit and tighten the TCM securing nut.
. Position the footwell carpet and fit the carpet fastener.
. Fit and align the footwell outlet duct to air conditioning
. Position and fit the duct fastener to the blower motor slot.
. Refit the dash liner.
. Reconnect the battery.
multi-pin plug lever lock.
the tang locates
in the bracket slot and stud.
unit.
1
i
J44-703 U
Fig. 1
Issue 1 August 1994 X300 VSM 7

Automatic Transmission (V12 & AJl6 Supercharged) Pomrtrain
8.2.1 GENERAL DESCRIPTION
This section provides information relating to the Powertrain 4L80-E transmissions fitted to the 4,O liter supercharged
engine (4,OL SC) and to the 6,O liter engine (6,OL).
The Powertrain 4L80-E is a four-speed, high torque capacity, electronically controlled automatic transmission, which
comprises a torque converter with lock-up direct drive clutch and three planetary gear sets. Five multiple diskclutches,
one intermediate sprag clutch assembly, two roller clutch assemblies and two band assemblies provide the drive el- ements necessary for correct sequential gear engagement and operation.
The torque converter containing
a pump, a turbine (rotor), a stator assembly, and a clutch pressure disksplined to the
turbine, acts as a fluid coupling for smooth torque transmission from the engine. The converter also supplies addi- tional torque multiplication when necessary, and the torque converter clutch (TCC) pressure disk provides a mechan- ical direct drive or 'lock-up' above a certain speed in top gear for greater fuel economy.
Gearshift operations are controlled from the Transmission Control Module (TCM), which governs the electronically
controlled valve body situated within the transmission.
Three planetary gear sets provide reverse and the four forward ratios, the changing of which is fully automatic in rela
- tion to load, vehicle speed and throttle opening. The Transmission Control Module receives and integrates various ve- hicle sensor input signals, and transmits operating signals to the solenoids located in the control valve assembly.
These solenoids govern the transmission operating pressures, up-shift and down-shift gear selection patterns and
also the torque converter clutch operation by pulse width modulated control.
8.2.1.1 Gear Ranges
Selectable gear positions are: P - Park, R - Reverse, N - Neutral, D - Drive, 3, 2.
P - Park position of the shift lever provides a mechanical locking of the output shaft of the transmission, and as such,
must only be engaged when the the vehicle is stationary. In addition, and for
extra safety, the handbrake should also
be applied. It is necessary to have the ignition ON and the footbrake applied to move the shift lever from the Park
position. For ignition key removal the shift lever must be in the Park position. The engine can be started in the Park
position.
R - Reverse enables the vehicle to be operated in a rearwards direction. The engine cannot be started in the Reverse
position.
N
-Neutral position enables the engine to be started and operated without driving the vehicle. It also allows the vehicle
to be moved manually for access, ie for removal of the propeller shaft.
D
-Drive position allows the automatic selection of all four forward gear ratios during normal driving conditions for
maximum efficiency and fuel economy. On acceleration, down-shifts are obtained by depressing the accelerator pedal
or by manual selection. The engine cannot be started in this position.
3
- Manual third position allows automatic operation of the three lower gear ratios but inhibits selection of the fourth
ratio. This position is used for towing a trailer or negotiating hilly terrain when greater engine braking control is re- quired. The engine cannot be started in this position.
2 - Manual second position allows automatic operation of the two lower gear ratios but inhibits selection of the third
and fourth ratios. This position is used for heavy traffic congestion or negotiating hilly terrain when even greater en
- gine braking control is required than is provided by manual third. This ratio may be selected at any vehicle speed - even if the transmission is in third or fourth ratio, the transmission will immediately down-shift to second gear pro- vided the vehicle speed is below 137 km / h (85 mile / h). The engine cannot be started in this position.
N.g!b: With the Performance Mode switch in the NORMAL position, the vehicle will pull away in second gear. How- ever, if more than 75 per cent of throttle is applied when the vehicle speed is between zero and 13 km/ h (8 mile / h), then first gear will be selected. From 13 to 61 km/ h (8 to 38 mile/ h) first gear is obtainable by 'kick-down'.
In 'sport' mode thevehicle pulls away in first gear and the transmission operatesfully in all four forward gears.
X300 VSM 1 Issue 1 August 1994

Automatic Transmission (V12 & AJ16 Supercharged) Powertrain
1.
2.
3.
4.
5. 6.
7.
8.
9. 10.
11.
12.
13.
Torque converter
Turbine shaft
Pressure disk
Converter turbine
Converter stator
Variable force motor
solenoid
Fluid pan
Filter
Interior detent lever
Manual shaft
Control valve
Front band
Parking lock actuator
3 4667 i JU-134
14.
15.
16.
17.
18.
19.
20. 21.
22.
23.
24. 25.
Rear band
Sun gear shaft
Sun gear
Parking lock pawl
Transmission case
Output shaft
Rear extension housing
Rear internal gear
Output planetary carrier
assembly Reaction planetary
carrier assembly
'LO' roller clutch
Main shaft
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
Intermediate clutch Intermediate sprag clutch
Direct clutch
Forward clutch
Overdrive planetary carrier
assembly
Overdrive roller clutch
Overrun clutch
Fourth clutch
Pump assembly
Converter pump
Stator roller clutch
Output speed sensor
Fig.1 Powertrain 4L8O-E automatic transmission
0
0
0
Issue 1 August 1994 2 X300 VSM

Automatic Transmission (V12 & AJ16 Supercharged) Powertrain
8.2.6
SRO 44.15.40
. Open the hood and fit a suitable fender cover.
. Raise the vehicle on a ramp.
. Slacken the underfloor catalyst to downpipe clamps se-
. Displace and reposition the olive clamps on the pipes.
INPUT SPEED SENSOR, RENEW (6,OL)
curing bolts.
Slacken the underfloor catalyst
to intermediate silencer
clamps securing bolts.
9 Displace the underfloor catalyst assembly rearwards to
disconnect from the downpipes.
Displace and remove the olives from the downpipes.
Using a wire brush, clean the olives and downpipe joints.
. Place a suitable piece of wood between the underfloor
. Reposition the edge of the transmission tunnel insulation
. Release and remove the input speed sensor securing bolt.
. Reposition the speed sensor protection cover for access,
noting that the cover remains captive on the harness.
Disconnect the speed sensor harness multi
-pin plug.
- Displace and remove the speed sensor from the trans- mission case.
Clean the transmission case area.
. Fit a new ‘0 ring seal to a new input speed sensor.
. Lubricate the ‘0 ring seal.
. Fit and fully seat the speed sensor to the transmission
. Reconnect the harness multi-pin plug.
Reposition and align the protection cover.
. Fit and tighten the speed sensor securing bolt.
Reposition the insulation foam to its original position.
Remove the block of wood from between the underfloor
. Apply sealant to the downpipe joints and olives. See Ser-
Fit and seat the olives to the downpipes.
Reposition the olive clamps.
Tighten the underfloor catalyst to downpipe clamps secur-
Align the intermediate silencers to the underfloor catalyst
. Tighten the clamp securing bolts.
. Lower the vehicle on the ramp.
Remove the fender cover and close the hood.
catalyst
and the body for access.
foam for access.
0
case.
catalyst and the floor.
vice Materials
in the preliminary pages, this Section.
Reconnect the underfloor catalyst to the downpipes.
0
ing bolts.
assembly.
lppl
0
X300 VSM issue 1 August 1994 8

Powertwin Automatic Transmission (V12 & AJ16 Supercharged)
8.2.7
SRO 44.15.41
OUTPUT SPEED SENSOR, RENEW (6,OL)
. Open the hood and fit a suitable fender cover.
. Raise the vehicle on a ramp.
. Slacken the underfloor catalyst to downpipe clamps se-
Displace and reposition the olive clamps on the pipes.
. Slacken the underfloor catalyst to intermediate silencer
. Displace the underfloor catalyst assembly rearwards to
. Displace and remove the olives from the downpipes.
. Using a wire brush, clean the olives and downpipe joints.
Place a suitable piece of wood between the underfloor
catalyst and the body for access.
. Reposition the edge of the transmission tunnel insulation
foam for access.
. Release and remove the output speed sensor securing
bolt.
Reposition the speed sensor protection cover for access,
noting that the cover remains captive on the harness.
. Disconnect the speed sensor harness multi-pin plug.
. Displace and remove the speed sensor from the trans-
. Clean the transmission case sensor area.
. Fit a new '0' ring seal to a new output speed sensor.
. Lubricate the '0' ring seal.
Fit and fully seat the speed sensor to the transmission
. Reconnect the harness multi-pin plug.
Reposition and align the protection cover.
. Fit and tighten the speed sensor securing bolt.
Reposition the insulation foam to its original position.
Remove the block of wood from between the underfloor
catalyst and the floor.
. Apply sealant to the downpipe joints and olives. See Ser- vice Materials in the preliminary pages, this Section.
. Fit and seat the olives to the downpipes.
. Reconnect the underfloor catalyst to the downpipes.
= Reposition the olive clamps.
. Tighten the underfloor catalyst to downpipe clamps secur-
= Align the intermediate silencers to the underfloor catalyst
. Tighten the clamp securing bolts.
Lower the vehicle on the ramp.
. Remove the fender cover and close the hood.
curing
bolts.
cl amps securing bolts.
disconnect from the downpipes.
mission case.
case.
0
ing bolts.
assembly.
Issue 1 August 1994 X300 VSM 9

Automatic Transmission (V12 & AJ16 Supercharged) Powertrain
8.2.15 FlUlD PAN, RENEW (6,Ol)
SRO 44.24.04
Open the hood and fit a suitable fender cover.
. Raise the vehicle on a ramp.
. Slacken the underfloor catalyst to downpipe clamps se-
. Displace and reposition the olive clamps on the pipes.
. Slacken the underfloor catalyst to intermediate silencer
Displace the underfloor catalyst assembly rearwards to
. Displace and remove the olives from the downpipes.
. Using a wire brush, clean the olives and downpipe joints.
m Place a suitable piece of wood between the underfloor
Drain the transmission lubrication system, see Sub-sec-
Release and remove the fluid pan securing bolts.
Drain the residual fluid from the fluid pan.
. Remove the fluid pan (1 Fig. 1) and gasket (2 Fig. 1).
. Clean the fluid pan gasket, which can be re-used if in good
. Place the fluid pan gasket aside.
. Remove the magnet (3 Fig. 1) from the fluid pan.
. Clean the magnet and place on a clean surface.
. Clean the transmission fluid pan joint face.
. Clean the fluid pan.
. Place the fluid pan aside.
. Attach the magnet to the recess in a new fluid pan.
. Fit and align a serviceable gasket to the fluid pan.
. Fit the fluid pan and gasket to the transmission unit.
. Fit and tighten the fluid pan securing bolts.
. Remove the block of wood from between the underfloor
catalyst and the floor.
. Apply sealant to the downpipe joints and olives. See Ser- vice Materials in the preliminary pages, this Section.
Fit and seat the olives to the downpipes.
Reconnect the underfloor catalyst to the downpipes.
. Reposition the olive clamps.
. Tighten the underfloor catalyst to downpipe clamps secur-
. Align the intermediate silencers to the underfloor catalyst
. Tighten the clamp securing bolts.
Lower the vehicle on the ramp.
. Refill the transmission unit with fluid, see Sub-section
curing
bolts.
clamps securing bolts.
disconnect from the downpipes.
catalyst and the body for access.
tion 8.2.13.
condition.
ing bolts.
assembly.
8.2.13. Remove the fender cover and close the hood.
JLL-719
Fin. 1 ~
Issue 1 August 1994 X300 VSM 16

Automatic Transmission (V12 & AJ16 Supercharged) Powertrain
8.2.17 FLUID PAN GASKET RENEW (6,OL)
SRO 44.24.05
Open the hood and fit a suitable fender cover.
. Raise the vehicle on a ramp.
. Slacken the underfloor catalyst to downpipe clamp secur-
. Displace and reposition the olive clamps on the pipes.
. Slacken the underfloor catalyst to intermediate silencer
. Displace the underfloor catalyst assembly rearwards to
ing
bolts.
clamps securing bolts.
disconnect from the downpipes.
Displace and remove the olives from the downpipes.
Using a wire brush, clean the olives and downpipe joints.
. Place a suitable piece of wood between the underfloor
Drain the transmission lubrication system, see Sub-sec-
Release and remove the fluid pan securing bolts.
. Remove the fluid pan (1 Fig. 1) and gasket (2 Fig. 1).
Drain the residual fluid from the fluid pan.
Remove and discard the fluid pan gasket.
Remove the magnet (3 Fig. 1) from the fluid pan; clean the
magnet.
Place the magnet on a clean surface.
Clean the fluid pan joint face.
Clean the fluid pan.
. Place the fluid pan aside.
. Attach the magnet to the recess in the fluid pan.
. Fit and align a new gasket to the fluid pan.
. Fit the fluid pan and gasket to the transmission unit.
. Fit and tighten the fluid pan securing bolts.
. Remove the block of wood from between the under floor
catalyst and the floor.
9 Apply sealant to the downpipe joints and olives. See Ser- vice Materials in the preliminary pages, this Section.
= Fit and seat the olives to the downpipes.
. Reconnect the underfloor catalyst to the downpipes.
. Reposition the olive clamps.
. lighten the underfloor catalystto downpipe clamps secur-
Align the intermediate silencers to the underfloor catalyst
. Tighten the clamp securing bolts.
. Lower the vehicle on the ramp.
. Refill the transmission unit with fluid, see Sub-section 8.2.13.
Remove the fender cover and close the hood.
catalyst
and the body for access.
tion
8.2.13.
ing bolts.
assembly.
2
1
JLL.7K
Fig. 1
0
0
0
0
Issue 1 August 1994 18 X300 VSM

Automatic Transmission (V12 & AJ16 Supercharged) Powertrain
8.2.19 TRANSMISSION INTERNAL HARNESS MULTI-
PIN SOCKET '0' RING, RENEW
(4,OL SC AND 6,011
SRO 44.24.20
9 Open the hood and fit a suitable fender cover.
. Raise the vehicle on a ramp.
. Drain the transmission lubrication system, see Sub-sec-
. Remove the fluid pan, see Sub-section 8.2.14 (4,OL SC) or
. Disconnect the external harness multi-pin plug from the
Note: The plug is secured to the socket by its captive lock- ing ring.
= Release and remove the internal harness multi-pin socket
. Displace the internal harness multi-pin socket from the
Remove and discard the '0 ring seal (Fig.1) from the
. Fit and seat a new '0' ring seal to the multi-pin socket.
. Reposition and seat the internal harness multi-pin socket
to the transmission casing.
. Fit and tighten the internal harness multi-pin socket to the
transmission casing securing nut.
Connect the external harness multi-pin plug to the inter- nal harness multi-pin socket; the plug is secured by its
captive locking ring.
Refit the fluid pan, see Sub-section 8.2.14 (4,OL SC) or Sub-section 8.2.15 (6,OL).
. Lower the vehicle on the ramp.
. Refill the transmission unit with fluid, see Sub-section
8.2.13.
. Remove the fender cover and close the hood.
tion
8.2.13.
Sub
-section 8.2.15 (6,OL).
internal harness multi-pin socket.
to transmission casing securing nut.
transmission casing.
multi
-pin socket.
0
0
0
0
X300 VSM Issue 1 August 1994 20