engine oil LAND ROVER DISCOVERY 1999 Repair Manual

ENGINE - V8
REPAIRS 12-2-39
Switch - oil pressure
$% 12.60.50
Remove
1.Release fixings and remove battery cover.
2.Disconnect battery earth lead.
3.Raise front of vehicle.
WARNING: Do not work on or under a
vehicle supported only by a jack. Always
support the vehicle on safety stands.
4.Remove fixings and remove underbelly panel.
5.Disconnect multiplug from oil pressure switch.
6.Position container below switch to catch oil
spillage.
7.Remove oil pressure switch and discard
sealing washer.
Refit
1.Clean oil pressure switch threads.
2.Fit new sealing washer to switch.
3.Fit oil pressure switch and tighten to 15 Nm (11
lbf.ft) .
4.Connect multiplug to oil pressure switch.
5.Fit underbelly panel and secure with fixings.
6.Remove stand(s) and lower vehicle.
7.Connect battery earth lead.
8.Fit battery cover and retain with fixings.
9.Top up engine oil.
Cooler - engine oil
$% 12.60.68
Remove
1.Release fixings and remove battery cover.
2.Release fixings and remove cooling fan cowl.
3.Remove front grille.

+ EXTERIOR FITTINGS, REPAIRS,
Grille - front - up to 03MY.
4.Remove 6 scrivets and remove LH and RH air
deflectors from front panel.
5.Remove nut and move LH horn aside.

ENGINE - V8
12-2-40 REPAIRS
6.Remove 2 bolts securing radiator LH and RH
upper mounting brackets to body panel and
remove brackets.
7.Remove 4 screws securing air conditioning
condenser LH and RH upper mounting
brackets to condenser.
8.Remove condenser upper mounting brackets
with rubber mounts from radiator extension
brackets.
9.Remove 2 bolts securing LH and RH extension
brackets to radiator and remove brackets.
10.Position absorbent cloth under each oil cooler
hose connection to collect oil spillage. 11.Push against coupling release rings and
disconnect both hoses from oil cooler.
CAUTION: Always fit plugs to open
connections to prevent contamination.
12.Remove screw securing oil cooler to radiator.
13.Release cooler from its location on radiator.
14.Release radiator lower mountings from
location in chassis and carefully move radiator
towards engine sufficiently only to release
engine oil cooler from radiator.
15.Remove engine oil cooler.
Refit
1.Fit engine oil cooler to radiator, engage in
location and secure with screw.
2.Fit radiator to location in chassis.
3.Ensure connections are clean, then secure
hoses to oil cooler.
4.Fit extension brackets to radiator and secure
with bolts.
5.Fit brackets with rubber mounts to extension
brackets and secure to air conditioning
condenser with screws.
6.Fit radiator upper mounting brackets and
secure to body with bolts.
7.Fit LH horn and secure with nut.
8.Fit LH and RH air deflectors to front panel and
secure with scrivets.
9.Fit front grille.

+ EXTERIOR FITTINGS, REPAIRS,
Grille - front - up to 03MY..
10.Fit cooling fan cowl and secure with fixings.
11.Fit battery cover and secure with fixings.
12.Top up engine oil.

ENGINE - V8
REPAIRS 12-2-41
Gasket - timing gear cover
$% 12.65.04
Remove
1.Remove oil pick-up strainer.

+ ENGINE - V8, REPAIRS, Strainer -
oil pick-up.
2.Remove timing gear cover oil seal.

+ ENGINE - V8, REPAIRS, Seal - cover
- timing gears.
3.Remove engine oil filter.

+ ENGINE - V8, REPAIRS, Filter - oil.
4.Remove and discard 3 bolts securing coolant
pump pulley and remove pulley.
5.Remove 3 bolts securing PAS pump pulley and
remove pulley.
6.Drain cooling system.

+ COOLING SYSTEM - V8,
ADJUSTMENTS, Drain and refill.7.Release clip and disconnect coolant hose from
coolant pump.
8.Disconnect multiplug from oil pressure switch.
9.Disconnect multiplug from CMP sensor.
10. If fitted: Loosen union and disconnect oil
cooler pipe from timing gear cover. Remove
and discard 'O' ring.
CAUTION: Always fit plugs to open
connections to prevent contamination.
11.Remove 9 bolts securing timing gear cover and
remove cover. Remove and discard gasket.

ENGINE - V8
12-2-42 REPAIRS
Refit
1.Clean mating faces of timing gear cover and
cylinder block. Clean dowels and dowel holes.
Ensure bolt holes are clean and dry, remove all
traces of sealant from bolt threads.
2.Fit new gasket, dry, to dowels in cylinder block.
3.Locate tool LRT-12-090 on timing cover and oil
pump drive gear.
4.Position timing cover to cylinder block and at
the same time, rotate tool LRT-12-090 until
drive gear keyway is aligned with Woodruff key.
5.Remove tool LRT-12-090.
6.Apply sealant, Part Number STC 50552 to
threads of timing cover bolts, fit bolts and
working in the sequence illustrated, tighten to
22 Nm (17 lbf.ft) . Ensure CMP sensor multiplug
bracket is secured by bolt.
7. If fitted: Fit new 'O' ring to oil cooler pipe,
connect pipe to timing gear cover and tighten
union to 15 Nm (11 lbf.ft).
8.Connect multiplug to oil pressure switch.
9.Connect multiplug to CMP sensor. 10.Connect coolant hose to coolant pump and
secure with clip.
11.Ensure mating faces of PAS pump pulley and
drive flange are clean, fit pulley and tighten
bolts to 22 Nm (16 lbf.ft).
12.Remove all traces of thread locking material
from coolant pump pulley drive flange bolt
holes using an M8 tap.
13.Ensure mating faces of coolant pump pulley
and drive flange are clean, fit pulley and tighten
new Patchlok bolts to 22 Nm (16 lbf.ft).
14.Ensure mating faces of oil filter and adaptor are
clean, smear clean engine oil onto seal and fit
filter.
15.Fit timing gear cover oil seal.

+ ENGINE - V8, REPAIRS, Seal - cover
- timing gears.
16.Fit oil pick-up strainer.

+ ENGINE - V8, REPAIRS, Strainer -
oil pick-up.
17.Refill cooling system.

+ COOLING SYSTEM - V8,
ADJUSTMENTS, Drain and refill.

ENGINE - V8
REPAIRS 12-2-43
Seal - cover - timing gears
$% 12.65.05
Remove
1.Remove auxiliary drive belt.

+ CHARGING AND STARTING,
REPAIRS, Belt - auxiliary drive.
2.Secure tool LRT-12-080 to crankshaft pulley
with 2 bolts.
3.Remove crankshaft pulley bolt.
4.Remove crankshaft pulley.
5.Use tool LRT-12-088, to remove oil seal from
timing gear cover. Refit
1.Clean seal register in timing gear cover and
crankshaft pulley.
CAUTION: Seal is pre-greased, do not apply
additional lubricant.
2.Apply smear of Retinax LX grease to seal
running surface on crankshaft.
3.Fit seal to timing gear cover using tool LRT-12-
089 .
4.Fit crankshaft pulley bolt and tighten to 270 Nm
(200 lbf.ft).
5.Remove tool LRT-12-080 from crankshaft
pulley.
6.Fit auxiliary drive belt.

+ CHARGING AND STARTING,
REPAIRS, Belt - auxiliary drive.

ENGINE - V8
OVERHAUL 12-2-49
Seal - crankshaft - rear - automatic
models
$% 12.21.20.01
Disassembly
1.Remove CKP sensor.

+ ENGINE MANAGEMENT SYSTEM -
V8, REPAIRS, Sensor - crankshaft position
(CKP).
Note: Later engines are fitted with a modified
starter ring gear which incorporates the reluctor
plate, spacer and hub. The modified ring gear
may be fitted as a replacement to early
engines.
2. Early engines: Remove 4 bolts securing drive
plate clamp ring and remove ring.
3. Early engines: Remove drive plate from hub.
4. Early engines: Remove 6 Allen bolts securing
hub and starter ring gear, remove hub, starter
ring gear and collect spacer.
Note: On early engines, balance weights are on
engine side of drive plate, replacement drive
plates will have balance weights on torque
converter side of drive plate.5. Later engines: Remove 4 bolts securing drive
plate clamp ring and remove ring.
6. Later engines: Remove drive plate.
7. Later engines: Remove 6 Allen bolts securing
starter ring gear to crankshaft, remove starter
ring gear.
8.Carefully remove oil seal from cylinder block to
avoid damage to seal location or running
surface on crankshaft.

ENGINE - V8
12-2-50 OVERHAUL
Reassembly
1.Ensure both seal location and running surface
on crankshaft are clean. Ensure that bolt holes
in crankshaft are clean and dry.
2.Lubricate replacement oil seal with engine oil.
3.Lubricate seal guide LRT-12-095 with engine
oil and position guide to crankshaft.
4.Fit new seal squarely onto crankshaft and
remove guide LRT-12-095.
5.Fit seal into location using tools LRT-12-091
and LRT-99-003.
6. All engines: Ensure bolt holes in crankshaft
are clean and dry.
7. All engines: Clean all components.
8. All engines: Check that drive plate is free from
cracks and distortion.
9. Early engines: Fit hub, starter ring gear and
spacer to crankshaft, tighten Allen bolts to 78
Nm (58 lbf.ft).
10. Early engines: Fit drive plate and clamp ring,
tighten bolts to 45 Nm (35 lbf.ft).
11. Later engines: Fit starter ring gear, fit Allen
bolts and tighten to 85 Nm (63 lbf.ft).
12. Later engines: Fit drive plate and clamp ring,
fit bolts and tighten to 45 Nm (33 lbf.ft).
13.Fit CKP sensor.

+ ENGINE MANAGEMENT SYSTEM -
V8, REPAIRS, Sensor - crankshaft position
(CKP).
Seal - crankshaft - rear - manual models
$% 12.21.20.01
Disassembly
1.Restrain flywheel.
2.Working in sequence, loosen and remove 6
bolts securing clutch cover to flywheel.
3.Remove clutch cover.
4.Remove clutch plate.
5.Remove CKP sensor.

+ ENGINE MANAGEMENT SYSTEM -
V8, REPAIRS, Sensor - crankshaft position
(CKP).
6.Remove 6 bolts securing flywheel.
7.Remove flywheel.

ENGINE - V8
OVERHAUL 12-2-51
8.Carefully remove oil seal from cylinder block to
avoid damage to seal location or running
surface on crankshaft.
Reassembly
1.Ensure both seal location and running surface
on crankshaft are clean. Ensure that bolt holes
are clean and dry.
2.Lubricate replacement oil seal with engine oil.
3.Lubricate seal guide LRT-12-095 with engine
oil and position to crankshaft.
4.Fit new seal squarely onto crankshaft and
remove guide LRT-12-095.
5.Fit seal into location using tools LRT-12-091
and LRT-99-003.
6.Clean mating faces of flywheel and crankshaft,
dowel and dowel hole.
7.Fit flywheel to crankshaft and, working in a
diagonal sequence, tighten bolts to 78 Nm (58
lbf.ft). 8.Fit CKP sensor.

+ ENGINE MANAGEMENT SYSTEM -
V8, REPAIRS, Sensor - crankshaft position
(CKP).
9.Clean clutch cover, drive plate and spigot bush
in end of crankshaft.
10.Renew worn components as necessary.
11.If refitting existing drive plate, apply Molycote
FB 108 to splines.
12.Fit LRT-12-001 alignment tool to spigot bearing
in crankshaft.
13.Fit drive plate onto alignment tool, ensure side
marked 'flywheel side' is against flywheel.
14.Fit clutch cover and locate on dowels.
15.Fit clutch cover bolts and tighten in diagonal
sequence to 40 Nm (30 lbf.ft).

ENGINE - V8
12-2-54 OVERHAUL
Strainer - oil pick-up
$% 12.60.20.01
Disassembly
1.Remove sump gasket.

+ ENGINE - V8, OVERHAUL, Gasket -
engine sump.
2.Remove 2 bolts and 1 nut securing oil pick up
strainer.
3.Remove oil pick up strainer.
4.Collect spacer.
5.Remove and discard 'O' ring. Reassembly
1.Clean oil pick up strainer and 'O' ring recess.
2.Lubricate new 'O' ring with clean engine oil and
fit to recess.
3.Locate spacer on stud.
4.Position oil pick up strainer, fit bolts and tighten
to 10 Nm (7 lbf.ft). Fit nut and tighten to 22 Nm
(16 lbf.ft).
5.Fit new sump gasket.

+ ENGINE - V8, OVERHAUL, Gasket -
engine sump.

ENGINE - V8
OVERHAUL 12-2-55
Seal - timing gear cover
$% 12.65.05.01
Disassembly
1.Secure tool LRT-12-080 to crankshaft pulley
with 2 bolts.
2.Remove crankshaft pulley bolt.
3.Remove crankshaft pulley.
4.Using tool LRT-12-088, remove oil seal from
timing gear cover and discard. Reassembly
1.Clean seal register in timing gear cover and
crankshaft pulley.
2.Ensure that bolt holes are clean and dry.
3.Apply smear of Retinax LX grease to seal
running surface on crankshaft.
CAUTION: Replacement oil seal is pre-
greased, do not apply additional lubricant.
4. Fit seal to timing gear cover using tool LRT-12-
089 .
5.Secure tool LRT-12-080 to crankshaft pulley
with 2 bolts. Fit crankshaft pulley.
6.Fit crankshaft pulley bolt and tighten to 270 Nm
(200 lbf.ft).
7.Remove tool LRT-12-080 from crankshaft
pulley.