Land Rover Defender 90 Workshop 2nd Edition Nas Rover Manual

44AUTOMATIC GEARBOX
10
FAULT DIAGNOSIS FAULT SYMPTOMS
SYMPTOM 1 - Intermittent drive and high pitched
noise
FAULT - Low fluid level or restricted filter
SYMPTOM 2 - No drive in reverse
Select D
·No drive
FAULT - Continue with Symptom 3
·Drives forward
FAULT - Reverse gear interlock valve seized
Select 1
·No engine braking
FAULT - Clutch brake 3
SYMPTOM 3 - No drive from rest with D selected
Select 1
·Vehicle drives
FAULT - No 2 freewheel
·No drive
Carry out main line pressure check
·Normal pressure
FAULT...

AUTOMATIC GEARBOX
11
FAULT DIAGNOSIS SYMPTOM 10 - None or harsh engagement of
direct drive clutch
NOTE: The direct drive clutch will only
engage if 4th gear is engaged at 40 to 45
mph.
Carry out road test pressure check with gauge
connected to torque converter.
·Normal pressure
FAULT - Failed direct drive clutch
·Pressures correct but remains high
FAULTS POSSIBLE -
Direct drive clutch and torque converter control
valve stuck
Hysteresis valve stuck
Direct drive clutch control valve stuck
SYMPTOM 11 -...

AUTOMATIC GEARBOX
1
ADJUSTMENT KICKDOWN CABLE ADJUSTMENT
Service repair no - 44.30.02
1.Release and remove kick-down cable clevis pin.
2.Loosen locknut and release kickdown cable from
abutment bracket.
3.Release outer cable sleeve from clip on rear of
LH cylinder head.
4.Holding cable as straight as possible, extend
inner cable to first detent.
5.With inner cable extended, check dimensionA
between end of threads and crimped sleeve.
DimensionA=42mm±3 mm, 1.65±0.10 in.
6.Connect cable to abutment bracket...

AUTOMATIC GEARBOX
1
REPAIR KICKDOWN CABLE
Service repair no - 44.15.01
Remove
1.Site vehicle on a four post ramp [hoist].
2.Select neutralN.
3.Disconnect battery negative lead.
4.Remove clevis pin and release kickdown cable
at throttle linkage.
5.Release outer cable locknut.
6.Disconnect cable from abutmet bracket.
7.Release cable from retaining clip at bracket
attached to cylinder head.
8.Feed cable through to underside of vehicle.
9.Raise vehicle on ramp [hoist].
10.Remove gearbox fluid pan
See Fluid...

44AUTOMATIC GEARBOX
2
REPAIR
20.Locate selector linkage setting gauge
LRT-44-002in position and gently press control
unit forwards as shown. Tighten bolts to
8 Nm, 6
lbf ft.
21.Remove setting gauge.
22.Refit gearbox fluid pan
See Fluid pan gasket
and screen.
23.Lower vehicle on ramp [hoist].
24.Adjust kickdown cable
See Adjustment,
Kickdown cable adjustment.
25.Reconnect battery negative lead.
26.Refill gearbox oil using correct grade of oil
See
LUBRICANTS, FLUIDS AND CAPACITIES,
Information, Recommended...

AUTOMATIC GEARBOX
3
REPAIR FLUID PAN GASKET AND SCREEN
Service repair no - 44.24.05 - Fluid pan gasket
Service repair no - 44.24.07 - Fluid screen
Remove
1.Site vehicle on a four post ramp [hoist].
2.Disconnect battery negative lead.
3.Raise vehicle.
4.Drain fluid and refit plug with new seal. Tighten
to
43 Nm, 32 lbf ft.
5.Remove catalytic converter assemblySee
EMISSION CONTROL, Repair, Front
pipe/catalytic converter.
6.Release fuel pipes from retaining clip secured by
top RH chassis crossmember bolt....

44AUTOMATIC GEARBOX
4
REPAIR TORQUE CONVERTER
Service repair no - 44.17.04
Remove
1.Remove gearbox and transfer box assembly,
See Gearbox and transfer box assembly
2.Place gearbox on bench. Remove torque
converter using torque converter handle
LRT-44-010, taking care not to damage torque
converter/oil pump housing oil seal.
Refit
3.Fit NEW torque converter using torque converter
handlesLRT-44-010. Check dimension from
converter fixing boss to converter housing face is
50 mm, 1.968 in. This shows...

AUTOMATIC GEARBOX
5
REPAIR 6.Screw in 2 bolts, diagonally opposite each other.
Tap lightly using a soft headed mallet to remove
pump assembly from intermediate plate.
7.Remove shaft sealing ring and O ring from
pump housing and discard.
Refit
8.Using oil seal replacerLRT-44-001fit shaft seal
ring into pump housing.
9.Fit O ring onto circumference of pump housing.
10.Align dowel with hole in intermediate plate and
press pump housing home.
11.Fit pump housing to intermediate plate, tighten
bolts to
10 Nm,...

44AUTOMATIC GEARBOX
6
REPAIR GEARBOX AND TRANSFER BOX ASSEMBLY
Service repair no - 44.20.04/99
Remove
1.Position vehicle on 4-post ramp.
2.Select LOW range gear and leave vehicle in
neutral.
3.Disconnect battery negative lead.
4.Drain gearbox oil.
See SECTION 10,
Maintenance, under vehicle maintenance
5.Drain transfer gearbox oil.See SECTION 10,
Maintenance, under vehicle maintenance
6.Remove centre console.See CHASSIS AND
BODY, Repair, centre console
7.Remove carpet from transmission tunnel.
8.Remove...

AUTOMATIC GEARBOX
7
REPAIR
17.Remove kick-down cable clevis pin.
18.Release kick-down outer cable lock nut.
19.Release kick-down outer cable from abutment
bracket.
20.Release kick-down outer cable from clip on rear
of LH cylinder head.
21.Remove bolt securing 2 breather pipe P clips to
rear of RH cylinder head.
22.Remove 6 bell housing to engine bolts.
23.Raise vehicle.
24.Remove exhaust front pipe.
See EMISSION
CONTROL, Repair, front pipe/catalytic
converter
25.Remove 2 nuts securing intermediate pipe...