Range Rover. Manual — part 38
BMW DIESEL
43
REPAIR
OIL PRESSURE SWITCH
Service repair no - 12.60.50
Remove
1. Disconnect switch multiplug.
2. Remove switch. Collect sealing washer and
discard.
Refit
3. Ensure mating faces are clean.
4. Fit a new sealing washer, oil threads of switch
and fit switch. Tighten to
40 Nm (30 lbf.ft)
5. Connect multiplug.
SUMP
Service repair no - 12.60.44
Remove
1. Raise vehicle on four post lift.
2. Disconnect battery negative lead.
3. Remove nut and bolt securing dipstick tube.
Remove tube. Remove and discard ’O’ ring.
4. Raise lift.
5. Position support under chassis front cross
member.
12
ENGINE
NEW RANGE ROVER
44
REPAIR
6. Lower lift to give clearance between front axle
and sump.
CAUTION: Do not lower axle from chassis
if front shock absorbers are disconnected.
7. Drain oil from sump. Refit sump plug.
8. Remove bolt securing power steering pump
bracket to sump.
9. Remove 29 bolts securing sump. Remove sump
and gasket.
BMW DIESEL
45
REPAIR
Refit
10. Ensure mating faces are clean.
11. Clean sump.
12. Fit gasket to sump. Fill front and rear openings in
gasket with STC 3373 sealant.
13. Position sump to cylinder block.
14. Secure sump with bolts.
M6 -
10 Nm (7 lbf.ft)
M6 -
12 Nm (9 lbf.ft)
M8 -
20 Nm (15 lbf.ft)
15. Tighten sump plug to:-
M12 -
25 Nm (18 lbf.ft)
M22 -
60 Nm (44 lbf.ft)
16. Position power steering pump bracket on sump.
Secure with bolt.
17. Raise lift. Remove chassis support.
18. Lower lift.
19. Lubricate new dipstick tube ’O’ ring with clean
engine oil.
20. Fit ’O’ ring to dipstick tube. Fit tube. Secure with
nut and bolt.
21. Refill engine oil.
See LUBRICANTS, FLUIDS
AND CAPACITIES, Information.
22. Reconnect battery negative lead.
BIG-END BEARINGS
Service repair no - 12.17.16
Remove
1. Remove sump.
See this section.
2. Remove 3 bolts securing oil pick-up pipe.
3. Remove oil pick-up pipe, remove and discard
seal.
12
ENGINE
NEW RANGE ROVER
46
REPAIR
4. Progressively slacken then remove and discard
10 bolts securing reinforcing plate,
5. Remove reinforcing plate.
6. Carefully rotate crankshaft to gain access to
connecting rod bolts.
7. Ensure that connecting rods and big-end bearing
caps are suitably identified to each other.
8. Remove big-end bearing cap bolts.
NOTE: Do not discard bolts at this stage.
9. Remove big-end bearing caps, remove and
discard big-end bearing shells.
CAUTION: Dowel located, do not tap
bearing caps sideways.
10. Remove and discard big-end bearing shells from
connecting rods.
CAUTION: Take care when carrying out
above operation that piston does not
contact valves. Keep big-end bearing caps
and bolts in their fitted order.
Inspection
11. Measure and record crankshaft big-end journal
diameter, take 4 measurements at 90
°
intervals.
NOTE: There are 3 sizes of crankshaft
big-end journals, Standard, Size 1 and Size
2. Crankshafts with either Standard or Size
1 journals may be ground to the next undersize
and the appropriate oversize big-end bearing
shells fitted.
Standard = 44.975 to 45.00 mm (1.770 to 1.771 in)
Size 1 - 0.25 (0.01 in) undersize = 44.725 to 44.75
mm (1.761 to 1.762 in)
Size 2 - 0.50 mm (0.02 in) undersize = 44.475 to
44.50 mm (1.751 to 1.752 in)
12. Repeat above procedures for remaining big-end
journals.
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