Range Rover Classic
ZF
7
REPAIR
EXTENSION HOUSING
Service repair no - 44.20.18
1. Remove transfer box.
See TRANSFER
GEARBOX, Repair, Borg Warner Transfer
Gearbox
2. Remove transfer gear selector.
3. Loosen nine bolts holding extension housing.
4. Remove extension housing, discard gasket.
5. Place extension housing on bench, remove oil
seal.
6. Ensure that all surfaces are clean and case is
free from damage.
7. If fitting new case, fit two dowels to case.
8. Fit a new gasket and oil seal using rear oil seal
replacer LST108.
9. Fit extension case to gearbox, ensure oil seal is
not damaged by extension shaft.
10. Fit and tighten nine bolts to
23 Nm.
11. Refit transfer gear selector.
12. Tighten three bolts to
25 Nm.
13. Refit transfer box.
OIL SCREEN
Service repair no - 44.24.07
1. Site vehicle on ramp. Disconnect battery
negative lead.
2. Drain gearbox oil.
3. Discard sump plug seal.
4. Remove level tube from sump.
5. Remove six retaining plates and bolts.
6. Remove sump, discard gasket.
7. Loosen three screws from oil screen.
8. Remove oil screen, discard ’O’ rings.
9. Separate oil screen from suction tube, discard
’O’ ring and oil screen.
10. Fit two new ’O’ rings to oil screen.
11. Fit suction tube to oil screen.
12. Fit oil screen to control unit, tighten three bolts to
8 Nm.