Discovery 2. Manual — part 397
MAINTENANCE
PROCEDURES
10-15
Centrifuge rotor – diesel engine
Replace
1. Replace centrifuge rotor.
ENGINE - Td5, REPAIRS, Rotor -
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
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.
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.
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.
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
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.
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.
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.
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