coolant capacity FORD FIESTA 1989 Service Repair Manual

the corrosion which would otherwise occur
as the corrosion inhibitors become progress-
ively less effective. Always use an ethylene
glycol-based antifreeze which is suitable for
use in mixed-metal cooling systems.
20If the antifreeze used is to Ford’s
specification, the levels of protection it affords
are indicated in the Specifications Section of
this Chapter. To give the recommended
standard mixture ratio for this antifreeze, 40%
(by volume) of antifreeze must be mixed with
60% of clean, soft water; if you are using any
other type of antifreeze, follow its
manufacturer’s instructions to achieve the
correct ratio. It is best to make up slightly
more than the system’s specified capacity, so
that a supply is available for subsequent
topping-up.
21 Before adding antifreeze, the cooling
system should be completely drained,
preferably flushed, and all hoses checked for
condition and security. As noted earlier, fresh
antifreeze will rapidly find any weaknesses in
the system.
22 After filling with antifreeze, a label should
be attached to the expansion tank, stating the
type and concentration of antifreeze used,
and the date installed. Any subsequent
topping-up should be made with the same
type and concentration of antifreeze. If
topping-up using antifreeze to Ford’s
specification, note that a 50/50 mixture is
permissible, purely for convenience.
23 Do not use engine antifreeze in the
windscreen/tailgate washer system, as it will
damage the vehicle’s paintwork. A
screenwash additive should be added to the
washer system in its maker’s recommended
quantities.
Antifreeze - notes on renewal
24 Ford state that, where antifreeze to Ford
specification ESD-M97B-49-A is used, it will
last the lifetime of the vehicle. This is subject
to it being used in the recommended
concentration, unmixed with any other type of
antifreeze or additive, and topped-up when
necessary using only that antifreeze mixed 50/50 with clean water. If any other type of
antifreeze is added, the lifetime guarantee no
longer applies; to restore the lifetime
protection, the system must be drained and
thoroughly reverse-flushed before fresh
coolant mixture is poured in.
25
If the vehicle’s history (and therefore the
quality of the antifreeze in it) is unknown,
owners who wish to follow Ford’s
recommendations are advised to drain and
thoroughly reverse-flush the system before
refilling with fresh coolant mixture. If the
appropriate quality of antifreeze is used, the
coolant can then be left for the life of the
vehicle.
26 If any antifreeze other than Ford’s is to be
used, the coolant must be renewed at regular
intervals to provide an equivalent degree of
protection; the conventional recommendation
is to renew the coolant every two or three
years.
27 The above assumes the use of a mixture
(in exactly the specified concentration) of
clean, soft water and of antifreeze to Ford’s
specification or equivalent. It is also assumed
that the cooling system is maintained in a
scrupulously-clean condition, by ensuring that
only clean coolant is added on topping-up,
and by thorough reverse-flushing whenever
the coolant is drained.
General cooling system checks
28 The engine should be cold for the cooling
system checks, so perform the following
procedure before driving the vehicle, or
after it has been shut off for at least three
hours.
29 Remove the expansion tank filler cap, and
clean it thoroughly inside and out with a rag.
Also clean the filler neck on the expansion
tank. The presence of rust or corrosion in the
filler neck indicates that the coolant should be
changed. The coolant inside the expansion
tank should be relatively clean and
transparent. If it is rust-coloured, drain and
flush the system, and refill with a fresh coolant
mixture.
30 Carefully check the radiator hoses and heater hoses along their entire length; renew
any hose which is cracked, swollen or
deteriorated (see Section 5).
31
Inspect all other cooling system
components (joint faces, etc.) for leaks. A leak
in the cooling system will usually show up as
white- or rust-coloured deposits on the area
adjoining the leak. Where any problems of this
nature are found on system components,
renew the component or gasket with
reference to Chapter 3.
32 Clean the front of the radiator with a soft
brush to remove all insects, leaves, etc,
embedded in the radiator fins. Be careful not
to damage the radiator fins, or cut your fingers
on them.
24 Air cleaner element renewal
1
1 The air cleaner filter element is located in
the air cleaner assembly mounted either on
top of the carburettor or CFi unit, or on the
left-hand or right-hand side of the engine
compartment at the front. Remove the air
cleaner lid as follows according to type.
Carburettor and CFi fuel
injection models
2 Undo the two or three retaining screws on
the top of the air cleaner lid (see illustration).
3 Release the clips, and lift off the air cleaner
cover (see illustration) .
EFi fuel injection models
4If the idle speed control valve is
mounted on the air cleaner, disconnect the
multi-plug and the air bypass hose from the
valve.
5 Disconnect the flexible hose between the
air cleaner lid and the air inlet duct or
turbocharger air intake.
6 Release the retaining clips and lift off the air
cleaner lid (see illustration) .
1•22Every 30 000 miles or three years
24.6 On EFi fuel injection engines, release
the retaining clips and lift off the air
cleaner lid24.3 . . . then spring back the clips and lift of the lid24.2 On carburettor and CFi fuel injectionengines, undo the air cleaner lid retaining
screws . . .
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3
1595Ford Fiesta Remake
Coolant
Mixture type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . See Chapter 1
Cooling system capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
See Chapter 1
System pressure
Pressure test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . 1.2 bars - should hold this pressure for at least 10 seconds
Expansion tank filler cap
Pressure rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . 1.0 to 1.4 bars approximately - see cap for actual value
Thermostat
Starts to open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . 85ºC to 89ºC
Coolant temperature sensor
Resistance:At 0ºC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . . 89 to 102 kilohms
At 20ºC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . 35 to 40 kilohms
At 100ºC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . 1.9 to 2.5 kilohms
At 120ºC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . 1.0 to 1.4 kilohms
Chapter 3
Cooling, heating and ventilation systems
Antifreeze - general information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Auxiliary drivebelt check and renewal . . . . . . . . . . . . . . .See Chapter 1
Coolant level check . . . . . . . . . . . . . . . . . . . . . . .See
“Weekly Checks”
Cooling system - draining . . . . . . . . . . . . . . . . . . . . . . . .See Chapter 1
Cooling system - filling . . . . . . . . . . . . . . . . . . . . . . . . . .See Chapter 1
Cooling system - flushing . . . . . . . . . . . . . . . . . . . . . . . .See Chapter 1
Cooling system electrical switches and sensors - testing, removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . 6
Cooling system hoses - disconnection and renewal . . . . . . . . . . . . 3
General information and precautions . . . . . . . . . . . . . . . . . . . . . . . . 1 Heater/ventilation components - removal and refitting . . . . . . . . . . . 11
Radiator and expansion tank - removal, inspection and refitting . . . 7
Radiator electric cooling fan assembly - testing, removal and
refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . 5
Thermostat - removal, testing and refitting . . . . . . . . . . . . . . . . . . . . 4
Underbonnet check for fluid leaks and hose condition . .See Chapter 1
Water pump (CVH and PTE engines) - removal and refitting . . . . . . 9
Water pump (HCS engines) - removal and refitting . . . . . . . . . . . . . 8
Water pump (Zetec engines) - removal and refitting . . . . . . . . . . . . . 10
3•1
Specifications Contents
Easy, suitable for
novice with little
experience Fairly easy,
suitable
for beginner with
some experience Fairly difficult,
suitable for competent
DIY mechanic
Difficult,
suitable for
experienced DIY
mechanic Very difficult,
suitable for expert DIY
or professional
Degrees of difficulty
54321
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