Content .. 395 396 397 398 ..

Discovery 2. Manual - part 397

MAINTENANCE

PROCEDURES

10-15

Centrifuge rotor – diesel engine

Replace

1. Replace centrifuge rotor.

ENGINE - Td5, REPAIRS, Rotor -

centrifuge.

Engine oil filter - diesel engine

Replace

1. Replace oil filter.

ENGINE - Td5, REPAIRS, Filter - oil.

Engine oil filter – V8 engine

WARNING: Avoid excessive skin contact with
used engine oil. Used engine oil contains
potentially harmful contaminants which may
cause skin cancer or other serious skin
disorders.

Replace

1. Disconnect battery.
2. Position suitable container beneath oil filter.
3. Using a strap type filter wrench, remove filter

element, discard element.

4. Smear sealing ring of replacement filter

element with engine oil.

5. Fit filter element, tighten two thirds of a turn by

hand or to 17 Nm (13 lbf.ft).

6. Top-up engine with recommended grade of oil

to correct mark on dipstick.

CAPACITIES, FLUIDS AND

LUBRICANTS, Lubrication.

7. Connect battery.
8. Run engine and check for oil leaks from filter.
9. Stop engine, wait for oil to return to sump.

10. Re-check oil level and top-up if necessary.

MAINTENANCE

10-16

PROCEDURES

Manual gearbox

WARNING: Avoid excessive skin contact with
mineral oil. Mineral oils remove the natural fats
from the skin, leading to dryness, irritation and
dermatitis.

Check/top-up oil level

1. Release fixings, remove rear underbelly panel.
2. Clean area around oil filler/level plug.

3. Remove oil filler/level plug.
4. Check that oil level is to bottom of oil filler/level

plug hole.

5. Top-up level (if required) with recommended oil

to bottom of filler/level plug hole.

CAPACITIES, FLUIDS AND

LUBRICANTS, Lubrication.

6. Remove all traces of sealant from threads of oil

filler/level plug.

7. Apply Loctite 290 to threads of oil filler/level

plug.

8. Fit manual gearbox filler/level plug and tighten

to 30 Nm (22 lbf.ft).

9. Remove all traces of oil from gearcase.

10. Fit rear underbelly panel, secure fixings.

Replace oil

1. Release fixings, remove rear underbelly panel.
2. Place a suitable container beneath gearbox

drain plug.

3. Clean area around oil filler/level and drain

plugs.

4. Remove oil filler/level plug.
5. Remove oil drain plug, remove and discard

sealing washer.

6. Allow oil to drain.
7. Clean magnet in oil drain plug.
8. Fit new sealing washer to oil drain plug.
9. Fit manual gearbox drain plug and tighten to 50

Nm (37 lbf.ft).

10. Fill gearbox with recommended oil to bottom of

filler/level plug hole.

CAPACITIES, FLUIDS AND

LUBRICANTS, Lubrication.

11. Remove all traces of sealant from threads of oil

filler/level plug.

12. Apply Loctite 290 to threads of oil filler/level

plug.

13. Fit manual gearbox filler/level plug and tighten

to 30 Nm (22 lbf.ft).

14. Remove all traces of oil from gearcase.
15. Fit rear underbelly panel, secure fixings.

MAINTENANCE

PROCEDURES

10-17

Automatic gearbox

WARNING: Avoid excessive skin contact with
mineral oil. Mineral oils remove the natural fats
from the skin, leading to dryness, irritation and
dermatitis.

Replace oil filter

1. Replace oil filter.

AUTOMATIC GEARBOX - ZF4HP22

- 24, REPAIRS, Filter - oil.

Replace oil

1. Ensure that gearbox is cool. Apply

handbrake and securely chock front and rear
wheels.

2. Place a suitable container beneath gearbox.
3. Clean area around oil filler/level and drain

plugs.

4. Remove oil drain plug, remove and discard

sealing washer.

5. Allow oil to drain.
6. Fit new sealing washer to oil drain plug.
7. Fit automatic gearbox drain plug and tighten to

15 Nm (11 lbf.ft).

8. Remove oil filler/level plug, remove and discard

sealing washer.

9. Fill gearbox with recommended oil to bottom of

oil level/filler plug hole.

CAPACITIES, FLUIDS AND

LUBRICANTS, Lubrication.

10. Select 'P' (Park).
11. Ensure handbrake is applied.
12. Start engine and allow it to idle.
13. Apply footbrake.
14. Move selector lever through all gear positions,

while continuing to fill the gearbox. Select 'P'
(Park).

15. With engine idling, continue filling gearbox until

a 2 mm bead of oil runs from oil filler/level plug
hole.

16. Fit new sealing washer to automatic gearbox

filler/level plug, fit plug and tighten to 30 Nm (22
lbf.ft).

17. Stop engine.
18. Remove all traces of oil from gearbox casing.

MAINTENANCE

10-18

PROCEDURES

Transfer box

WARNING: Avoid excessive skin contact with
mineral oil. Mineral oils remove the natural fats
from the skin, leading to dryness, irritation and
dermatitis.

Check/top-up oil level

1. Release fixings, remove rear underbelly panel.
2. Clean area around oil filler/level plug.
3. Remove oil filler/level plug.
4. Check that oil level is to bottom of filler/level

plug hole.

5. Top-up level (if required) with recommended oil

to bottom of oil filler/level plug hole.

CAPACITIES, FLUIDS AND

LUBRICANTS, Lubrication.

6. Remove all traces of sealant from threads of oil

filler/level plug.

7. Apply Loctite 290 to threads of oil filler/level

plug.

8. Fit transfer box filler/level plug and tighten to 25

Nm (18 lbf.ft).

9. Remove all traces of oil from main casing.

10. Fit rear underbelly panel (if fitted), secure

fixings.

Replace oil

1. Release fixings, remove rear underbelly panel.
2. Place a suitable container beneath transfer box

drain plug.

3. Clean area around oil filler/level and drain

plugs.

4. Remove oil filler/level plug.
5. Remove oil drain plug.
6. Allow oil to drain.
7. Apply Loctite 290 to threads of oil drain plug.
8. Fit transfer box drain plug and tighten to 30

Nm (22 lbf.ft).

9. Fill transfer box with recommended oil to

bottom of oil filler/level plug hole.

CAPACITIES, FLUIDS AND

LUBRICANTS, Lubrication.

10. Remove all traces of sealant from threads of oil

filler/level plug.

11. Apply Loctite 290 to threads of oil filler/level

plug.

12. Fit transfer box filler/level plug and tighten to 25

Nm (18 lbf.ft).

13. Remove all traces of oil from transfer box.
14. Fit rear underbelly panel (if fitted), secure

fixings.

Content .. 395 396 397 398 ..