Range Rover Classic. Manual — part 32
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REPAIR
OIL SUMP
Service repair no - 12.60.44
Remove
1. Drain engine oil
See SECTION 10,
Maintenance, Under Vehicle Maintenance
2. Fit drain plug. Tighten to
40 Nm.
3. If fitted, disconnect low oil level sensor multiplug.
4. Remove bolt securing dipstick tube to rocker
cover.
5. Working form the centre outwards, progressively
loosen and remove 17 bolts securing sump.
Remove sump.
6. Remove all traces of sealant from mating
surfaces of sump, cylinder block and front cover,
using a suitable solvent or plastic scraper.
7. Degrease mating surfaces of sump, cylinder
block and front cover.
Refit
8. Apply RTV Hylosil White sealant to mating
surface of sump.
9. Position sump, tighten bolts finger tight.
10. Tighten bolts progressively in sequence shown.
Tighten to
18 Nm.
11. Fit bolt securing dipstick tube to rocker cover.
12. If fitted, connect low oil level sensor multiplug.
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SPECIFICATIONS, TORQUE
TORQUE VALUES
NOTE: Torque wrenches should be regularly checked for accuracy to ensure that all fixings are
tightened to the correct torque.
Nm
Engine
Adaptor plate to crankshaft
84
. . . . . . . . . . . . . . . . . .
Generator and power steering mounting bracket to cylinder head
30
. . .
Cylinder head:
Stage 1:
20
. . . . . . . . . . . . . . . . . . . . . . . .
Stage 2: - Further 180˚ æ 5˚
Drive plate to converter
39
. . . . . . . . . . . . . . . . . . . ..
Engine mountings to engine and chassis
55
. . . . . . . . . . . . ..
Engine mounting rubbers to brackets
30
. . . . . . . . . . . . . .
Flexible drive plate to crankshaft adaptor plate
41
. . . . . . . . . . ..
**
Flywheel to crankshaft bolts
78
. . . . . . . . . . . . . . . . . ...
**
Lifting eye to cylinder heads
39
. . . . . . . . . . . . . . . . . ..
Main bearing cap rear bolts
92
. . . . . . . . . . . . . . . . . ...
*
Oil sump drain plug
40
. . . . . . . . . . . . . . . . . . . . .
Oil sump to cylinder block
18
. . . . . . . . . . . . . . . . . . ..
Rocker cover to cylinder head
9
. . . . . . . . . . . . . . . . .
Rocker shaft bracket to cylinder head
38
. . . . . . . . . . . . . .
Spark plug
21
. . . . . . . . . . . . . . . . . . . . . . . . ..
Starter motor attachment
44
. . . . . . . . . . . . . . . . . . ...
* These bolts must have threads coated in lubricant EXP16A before assembly.
** These bolts must have threads coated in sealant Loctite 270
METRIC
Nm
M5
6
. . . . . . . . . . . . . . . . . . . . . . . . . ..
M6
9
. . . . . . . . . . . . . . . . . . . . . . . . . ..
M8
25
. . . . . . . . . . . . . . . . . . . . . . . . . .
M10
45
. . . . . . . . . . . . . . . . . . . . . . . . ...
M12
90
. . . . . . . . . . . . . . . . . . . . . . . . ...
M14
105
. . . . . . . . . . . . . . . . . . . . . . . . ..
M16
180
. . . . . . . . . . . . . . . . . . . . . . . . ..
UNC / UNF
1/4
9
. . . . . . . . . . . . . . . . . . . . . . . . . ..
5/16
24
. . . . . . . . . . . . . . . . . . . . . . . . ...
3/8
39
. . . . . . . . . . . . . . . . . . . . . . . . . .
7/16
78
. . . . . . . . . . . . . . . . . . . . . . . . ...
1/2
90
. . . . . . . . . . . . . . . . . . . . . . . . . .
5/8
136
. . . . . . . . . . . . . . . . . . . . . . . . .
NOTE: Torque values above are for all screws and bolts used except for those specified.
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SERVICE TOOLS
ENGINE
LRT-12-034
Spring compressor
MS1519A
LRT-12-010
Crankshaft rear seal guide
RO1014
LRT-12-052
Oil pressure test kit
EMISSION CONTROL
1
DESCRIPTION AND OPERATION
EMISSION CONTROL
Three systems are used to control the vehicle
atmospheric emissions these are:
Engine crankcase fume emissions.
Fuel tank Evaporative emissions
Engine exhaust gas emissions.
Crankcase ventilation system
The crankcase ventilation system which is an integral
part of the air supply to the engine combustion
chambers, is often overlooked when diagnosing
problems associated with engine performance. A
blocked ventilation pipe or filter or excessive air leak
into the inlet system through a damaged pipe or
leaking gasket can effect the mixture, performance
and economy of the engine.
1. Three way connector
2. Air filter
3. Oil separator
The purpose of the crankcase ventilation system is to
ensure that any noxious gas generated in the engine
crankcase is rendered harmless by burning in the
combustion chambers as follows:
Oil laden noxious gas in the engine crankcase is
drawn through an oil separator 3 located on the right
cylinder head rocker cover, where the oil is separated
and returned to the sump. The gas flows through a
restrictor in the three way connection 1 and into the
inlet plenum chamber where it is drawn into the
combustion chambers and burned. The volume of
fresh air which is drawn from the atmospheric side of
the throttle butterfly to mix with the gas, depends on
the position of the throttle and the engine speed.
The air filter 2 fitted to the left cylinder head rocker
cover, must be maintained in clean condition to
ensure sufficient air enters the crankcase under
varying throttle openings and manifold depression, to
prevent excessive crankcase pressure or depression
developing.
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