Page 452 of 873

ZF
15
REPAIR GOVERNOR ASSEMBLY
Service repair no - 44.22.01
Remove
1.Remove transfer gearbox.
See TRANSFER
GEARBOX, Repair, LT230T Transfer Gearbox
2.Drain oil from automatic gearbox.
3.Remove bolts securing left hand mounting
bracket to extension housing and withdraw
bracket.
4.Remove transfer gear lever housing securing
bolts and move housing aside.
5.Remove extension housing ensuring seal is not
damaged, remove and discard gasket.
6.Remove extension shaft retaining bolt, withdraw
shaft and discard 'O' ring seal. If Tdi vehicle
remove spacer.
7.Remove governor assembly.
8.Remove park gear from governor assembly.
9.Detach governor housing.
10.Remove security clip and counter weight.
11.Remove and discard 'O' ring seal from output
shaft and three seal rings from 'F' clutch
housing.
12.Clean all components.
13.If necessary detach parking pawl by removing
guide plates and withdrawing mechanism.Refit
14.Refit parking pawl mechanism if removed.
15.Fit and lubricate new seal rings to 'F' clutch
housing shaft, ensure they are correctly seated.
16.Apply petroleum jelly to a new 'O' ring seal. Fit to
output shaft
17.Fit park gear to governor assembly tightening
screws to correct torque.
18.Fit governor assembly to output shaft.
19.Fit extension shaft with spacer if Tdi. Fit new 'O'
ring under bolt head.
20.Fit extension housing, avoid damaging seal.
Tighten to
23 Nm.
21.Refit transfer gear lever housing to extension
housing.
22.Refit mounting bracket to extension housing.
Tighten to
52 Nm.
23.Refit transfer gearbox.See TRANSFER
GEARBOX, Repair, LT230T Transfer Gearbox
24.Refill automatic gearbox with correct grade of oil.
See LUBRICANTS, FLUIDS AND
CAPACITIES, Information, Recommended
Lubricants and Fluids
Page 453 of 873

44AUTOMATIC GEARBOX
16
REPAIR GOVERNOR HUB
Service repair no - 44.22.04
Remove
1.Remove transfer box.
See TRANSFER
GEARBOX, Repair, LT230T Transfer Gearbox
2.Remove transfer gear selector housing.
3.Loosen nine bolts holding extension housing.
4.Remove extension housing ensuring that seal is
not damaged, discard gasket.
5.Remove extension shaft and retaining bolt with
'O' ring. If Tdi vehicle remove spacer.
6.Remove governor assembly with parking wheel.
7.Remove two screws holding governor housing.
8.Remove two bolts, remove parking wheel.
Discard governor hub.
9.Remove security clip and counter-weight.
10.Remove 'O' ring from output shaft and discard.
11.Remove three seal rings from 'F' clutch housing
shaft.
12.Inspect all parts for damage or wear, replace if
necessary.
Refit
13.Fit counterweight and security clip into new
governor hub.14.Secure governor housing to governor hub.
Tighten to
10Nm.
15.Fit parking wheel to governor hub. Tighten to10
Nm.
16.Fit three new seal rings onto F clutch housing
shaft, fit 'O' ring onto output shaft.
NOTE: To aid fitting of 'O' ring apply
petroleum jelly.
17.Push governor assembly and parking wheel onto
output shaft until seated.
NOTE: Apply petroleum jelly to 'O' ring.
Ensure seal rings are snapped together
and seated.
18.Fit new gasket to rear of gearbox. Fit extension
housing, avoid damaging seal.
19.Fit extension shaft,and spacer if Tdi, apply
Loctite 270 to retaining bolt. Using a new 'O'
ring, tighten bolt to
42 Nm.
20.Tighten nine extension housing nine bolts to23
Nm.
21.Fit transfer gear selector housing, tighten three
bolts to
25 Nm.
22.Refit transfer box.
Page 454 of 873

ZF
17
REPAIR PARKING PAWL MECHANISM
Service repair no - 44.28.07
Remove
1.Remove transfer box.
See TRANSFER
GEARBOX, Repair, LT230T Transfer Gearbox
2.Remove transfer gear selector housing.
3.Loosen nine bolts holding extension housing.
4.Remove extension housing ensuring that seal is
not damaged, discard gasket.
5.Remove extension shaft and retaining bolt with
'O' ring. If Tdi vehicle, remove spacer.
6.Remove governor assembly with parking wheel.
7.Remove guide plate bolt.
8.Remove plate and guide plate from gearbox
case.
9.Remove pin, pawl and spring.
CAUTION: When removing assembly.
Avoid damaging parts which could weaken
spring tension.
10.Inspect all parts for wear or damage. Replace if
necessary.
Refit
11.Fit pin and leg spring, locate spring correctly.
12.Fit pawl to pin. Locate spring leg into hole in
pawl to create tension in spring.
13.Fit plate and guide plate. Tighten to
10 Nm.
14.Push governor assembly with parking wheel
onto output shaft until seated.
NOTE: Apply petroleum jelly to 'O' ring.
Ensure seal rings are snapped together
and seated.
15.Fit new gasket to rear of gearbox. Fit extension
housing, taking care not to damage seal or
assembly.
16.Fit extension shaft with spacer if Tdi and
retaining bolt with new 'O' ring.
17.Fit extension housing, tighten nine bolts to
23Nm.
18.Fit transfer gear selector housing, tighten three
bolts to
25 Nm.
19.Refit transfer box.
Page 458 of 873

ZF
21
REPAIR REPLACING PUMP
Service repair no - 44.32.01
1.Remove gearbox and transfer box assembly.
See LT230T Transfer Gearbox
2.Place gearbox on bench. Remove torque
converter using torque converter handles
18G1501, taking care not to damage torque
converter/oil pump housing oil seal.
3.Remove twelve bolts (inner ring pattern).
4.Remove bell housing and pump assembly from
gearbox case, discard gasket.
5.Remove eight bolts on rear of pump.
6.Screw in two bolts,diagonally opposite each
other, tap lightly using a soft headed mallet to
free pump assembly from intermediate plate.
7.Fit new pump assembly, aligning dowel with hole
in intermediate plate, press pump housing home.
8.Secure pump housing to intermediate plate
using eight hexagonal bolts. Tighten to
10 Nm.
9.Place bell housing and intermediate plate
assembly on bench, front face up. Using oil
pump rotation sleeve LST111, check that pump
gears rotate freely.
10.Before replacing intermediate plate/bell housing
assembly check that thrust washer and axial
cage are seated on A clutch housing.
11.Place new gasket and disc washer onto bell
housing and intermediate plate assembly using
a Petroleum Jelly.
12.Fit bell housing and intermediate plate assembly,
tighten twelve bolts to
46 Nm.
Page 462 of 873
ZF
1
SERVICE TOOLS AUTOMATIC GEARBOX HOLDING FIXTURE
NOTE: This fixture enables ZF gearbox to be held securely during bench sited repairs. It can be
manufactured to details given, or purchased under service tool number LST 118.
Page 463 of 873
44AUTOMATIC GEARBOX
2
SERVICE TOOLS
Page 464 of 873
ZF
3
SERVICE TOOLS AUTOMATIC GEARBOX
LRT-44-001 Front and rear oil seal replacer.
LST 108
LRT-44-002 Selector linkage setting gauge.
LST 109
LRT-44-003 Oil pump rotation sleeve and end float
LST 111 gauge.
LRT-44-004 Kickdown cable remover.
LST 112
Page 465 of 873
44AUTOMATIC GEARBOX
4
SERVICE TOOLS
LRT-44-005 Control unit oil seal remover/replacer.
LST 113
LRT-44-006 Selector shaft oil seal replacer.
LST 114
LRT-44-007 Line pressure test gauge.
18G.502A
LRT-44-008 Hose and adaptor.
18G.502K