Repairing the Governor Assembly of the ZF Automatic Gearbox for 300Tdi Discovery 44
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
