Range Rover Classic. Manual — part 55
V8i
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ADJUSTMENT
COOLANT REQUIREMENTS
Frost precautions and engine protection.
Cooling system MUST ALWAYS be filled and
topped-up with solution of water and anti-freeze,
winter and summer. NEVER use water alone, this
may corrode aluminium alloy.
CAUTION: Do not use salt water otherwise
corrosion will occur. In certain territories
where only available natural water supply
has some salt content use only rain or distilled
water.
Recommended solutions
Anti-freeze: Universal anti-freeze or permanent type
ethylene base, without methanol, containing a suitable
inhibitor for aluminium engines and engine parts.
Use one part of anti-freeze to one part of water.
Anti-freeze can remain in the cooling system and will
provide adequate protection for two years provided
that specific gravity of coolant is checked before onset
of second winter and topped-up with new anti-freeze
as required.
Vehicles leaving factory have cooling system filled
with 50% solution of anti-freeze and water. This gives
protection against frost down to minus 36˚C (minus
33˚F). Vehicles so filled are identified by a label
affixed to radiator.
NOTE: Should ambient temperatures be
below that stated above refer to
Anti-Freeze Data in Recommended
Lubricants, Fluids and Capacities in Section 09.
Instructions in chart must be strictly adhered to
before driving vehicle.
After the second winter the system should be drained
and thoroughly flushed. Before adding new anti-freeze
examine all joints and replace defective hoses to
make sure that the system is leakproof.
See the ’Recommended Lubricants Fluids and
Capacities’ for protection quantities.
See
LUBRICANTS, FLUIDS AND CAPACITIES,
Information, Recommended Lubricants and
Fluids
COOLANT
Service repair no - 26.10.01
Draining
WARNING: Do not remove expansion tank
filler cap when engine is hot. The cooling
system is pressurised and personal
scalding could result.
See coolant requirements before refilling system.
1. Remove expansion tank filler cap by slowly
turning it anti-clockwise, pause to allow pressure
to escape. Continue turning it in same direction
and remove.
2. Remove radiator filler plug and ’O’ ring to assist
drainage.
26
COOLING SYSTEM
RANGE ROVER
2
ADJUSTMENT
3. Disconnect bottom hose from radiator. Drain
coolant into a clean container. Reconnect bottom
hose, re-tighten hose clamp.
NOTE: It is not possible to drain all coolant
retained in heater system. It is not
desirable to flush through system, after
draining.
4. Remove engine drain plugs, one each side of
cylinder block, beneath exhaust manifolds. Drain
coolant, refit and tighten plugs.
5. Pour correct solution of water and anti-freeze
into expansion tank until radiator is full.
6. Start engine, run it until normal operating
temperature is attained, topping up as
necessary.
7. Refit radiator filler plug and ’O’ ring, with new ’O’
ring if required. Tighten to
6 Nm.
8. Fit expansion tank filler cap.
9. Allow engine to cool, check coolant level. Finally
top up expansion tank until level reaches seam
of expansion tank.
V8i
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REPAIR
EXPANSION TANK
Service repair no - 26.15.01
Remove
WARNING: Do not remove expansion tank
filler cap when engine is hot. The cooling
system is pressurised and personal
scalding could result.
1. Remove expansion tank filler cap by first turning
it slowly anti-clockwise, pause to allow pressure
to escape. Continue turning in same direction
and lift off.
2. Disconnect two hoses from bottom of expansion
tank, allowing coolant to drain into a suitable
container.
3. Remove three fixing bolts, remove expansion
tank.
Refit
4. Reverse removal procedure.
5. Replenish cooling system.
6. Check for leaks around all hose connections.
VISCOUS COUPLING, FAN BLADES, PULLEY AND
FAN COWL
Service repair no - 26.25.03/05
Viscous coupling - remove 1 to 3
Fan blades - remove 1 to 3
Fan cowl - remove 1 to 2
Fan pulley - remove 1 to 5
Remove
WARNING: Disconnect battery negative
terminal to prevent engine being started
before removing or adjusting drive belts.
1. Loosen nut securing viscous coupling/fan blade
assembly to water pump, and place into bottom
of fan cowl.
NOTE: Nut securing viscous unit to water
pump has a right hand thread. Release by
turning anti-clockwise when viewed from
front of viscous unit.
2. Remove two fan cowl clips, lift cowl out of lower
mountings complete with fan blade assembly.
3. Remove fan blades from viscous coupling, if
necessary.
4. Remove serpentine drive belt.
5. Remove pulley fixings, remove pulley.
26
COOLING SYSTEM
RANGE ROVER
2
REPAIR
Refit
6. Reverse removal procedure. Ensuring fan
blades are fitted correctly. Fan is marked
FRONT and should be fitted with word FRONT
closest to radiator. Tighten to
35 Nm.
THERMOSTAT
Service repair no - 26.45.01
Remove
1. Partially drain cooling system, until coolant level
is below thermostat housing.
2. Disconnect hose from thermostat housing.
3. Disconnect electrical connections to water
temperature switch.
4. Remove outlet elbow.
5. Withdraw thermostat.
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