climate settings FORD FIESTA 1989 Service Repair Manual

3Check that the roadwheel nuts are tightened
to the specified torque wrench setting.
4 Refit the wheel covers.
16 Door, tailgate and bonnet
check and lubrication
1
1Check that the doors and tailgate/boot lid
close securely. Check that the bonnet safety
catch operates correctly. Check the operation
of the door check straps.
2 Lubricate the hinges, door check straps,
the striker plates and the bonnet catch
sparingly with a little oil or grease.
17 Seat belt check
1
1 Check the seat belts for satisfactory
operation and condition. Inspect the webbing
for fraying and cuts. Check that they retract
smoothly and without binding into their reels.
2 Check that the seat belt mounting bolts are
tight, and if necessary tighten them to the
specified torque wrench settings as given in
Chapter 11.
18 Bodywork, paint and exterior trim check
1
1The best time to carry out this check is after
the car has been washed so that any surface
blemish or scratch will be clearly evident and
not hidden by a film of dirt.
2 Starting at one front corner check the
paintwork all around the car, looking for minor
scratches or more serious dents. Check all
the trim and make sure that it is securely
attached over its entire length.
3 Check the security of all door locks, door
mirrors, badges, bumpers, front grille and
wheel trim. Anything found loose, or in need of
further attention should be done with reference
to the relevant Chapters of this manual.
4 Rectify any problems noticed with the
paintwork or body panels as described in
Chapter 11.
19 Road test
1
Check the operation and
performance of the braking
system
1 Make sure that the vehicle does not pull to
one side when braking, and that the wheels
do not lock prematurely when braking hard.
2 Check that there is no vibration through the
steering when braking. 3
Check that the handbrake operates
correctly, without excessive movement of the
lever, and that it holds the vehicle stationary
on a slope.
4 Test the operation of the brake servo unit
as follows. With the engine switched off,
depress the footbrake four or five times to
exhaust the vacuum, then hold the pedal
depressed. Start the engine, and there should
be a noticeable “give” in the brake pedal as
vacuum builds up. Allow the engine to run for
at least two minutes, and then switch it off. If
the brake pedal is depressed again, it should
be possible to detect a hiss from the servo as
the pedal is depressed. After about four or five
applications, no further hissing should be
heard, and the pedal should feel considerably
firmer.
Steering and suspension
5 Check for any abnormalities in the steering,
suspension, handling or road “feel”.
6 Drive the vehicle, and check that there are
no unusual vibrations or noises.
7 Check that the steering feels positive, with
no excessive sloppiness or roughness, and
check for any suspension noises when
cornering and driving over bumps.
Drivetrain
8 Check the performance of the engine,
transmission and driveshafts.
9 Check that the engine starts correctly, both
when cold and when hot.
10 Listen for any unusual noises from the
engine and transmission.
11 Make sure that the engine runs smoothly
when idling, and that there is no hesitation
when accelerating.
12 On manual transmission models, check
that all gears can be engaged smoothly
without noise, and that the gear lever action is
not abnormally vague or “notchy”.
13 On automatic transmission models, make
sure that the drive seems smooth without
jerks or engine speed “flare-ups”. Check that
all the gear positions can be selected with the
vehicle at rest. If any problems are found, they
should be referred to a Ford dealer.
14 Listen for a metallic clicking sound from
the front of the vehicle, as the vehicle is driven
slowly in a circle with the steering on full-lock.
Carry out this check in both directions. If a
clicking noise is heard, this indicates wear in a
driveshaft joint, in which case renew the joint
if necessary.
Clutch
15 Check that the clutch pedal moves
smoothly and easily through its full travel, and
that the clutch itself functions correctly, with
no trace of slip or drag. If the movement is
uneven or stiff in places, check that the cable
is routed correctly, with no sharp turns.
16 Inspect both ends of the clutch inner
cable, both at the transmission end and inside
the car, for signs of wear and fraying.
Instruments and electrical
equipment
17 Check the operation of all instruments
and electrical equipment.
18 Make sure that all instruments read
correctly, and switch on all electrical equipment
in turn, to check that it functions properly.
20 Automatic transmission fluid level check
1
1The level of the automatic transmission fluid
should be carefully maintained. Low fluid level
can lead to slipping or loss of drive, while
overfilling can cause foaming, loss of fluid and
transmission damage.
2 The transmission fluid level should only be
checked when the transmission is hot (at its
normal operating temperature). If the vehicle
has just been driven over 10 miles (15 miles in
a cold climate), and the fluid temperature is 60
to 70ºC, the transmission is hot.
Caution: If the vehicle has just been driven
for a long time at high speed or in city
traffic in hot weather, or if it has been
pulling a trailer, an accurate fluid level
reading cannot be obtained. In these
circumstances, allow the fluid to cool
down for about 30 minutes.
3 Park the vehicle on level ground, apply the
handbrake, and start the engine. While the
engine is idling, depress the brake pedal and
move the selector lever through all the gear
positions three times, beginning and ending in
“P”.
4 Allow the engine to idle for one minute, then
(with the engine still idling) remove the
dipstick from its tube. Note the condition and
colour of the fluid on the dipstick.
5 Wipe the fluid from the dipstick with a clean
rag, and re-insert it into the filler tube until the
cap seats.
6 Pull the dipstick out again, and note the
fluid level. The level should be between
the “MIN” and “MAX” marks. If the level is
on the “MIN” mark, stop the engine, and add
the specified automatic transmission fluid
through the dipstick tube, using a clean funnel
if necessary. It is important not to introduce
dirt into the transmission when topping-up.
7 Add the fluid a little at a time, and keep
checking the level as previously described
until it is correct. The difference between the
“MIN” and “MAX” marks on the dipstick is
approximately 0.4 litres.
8 The need for regular topping-up of the
transmission fluid indicates a leak, which
should be found and rectified without delay.
9 The condition of the fluid should also be
checked along with the level. If the fluid on the
dipstick is black or a dark reddish-brown
colour, or if it has a burned smell, the fluid
should be changed. If you are in doubt about
the condition of the fluid, purchase some new
fluid, and compare the two for colour and smell.
1•18Every 10 000 miles or 12 months
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Torque wrench settingsNmlbf ft
Thermostat housing to cylinder head: HCS engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . 17 to 21 13 to 16
CVH engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . 9 to 12 7 to 9
PTE engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . 9 7
Zetec engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . 17 to 21 13 to 16
Water outlet to thermostat housing (Zetec engines) . . . . . . . . . . . . . . . 9 to 12 7 to 9
Water pump pulley . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . 107.5
Water pump retaining bolts: HCS, CVH and PTE engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6
Zetec engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . 1813
Coolant temperature gauge sender . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4
Coolant temperature sensor: HCS engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . 2317
CVH engines: 1.4 litre models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . 1914
1.6 litre models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . 1511
PTE engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . 1511
Zetec engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . 1511
Radiator mounting bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. 20 to 27 15 to 20
Radiator cooling fan shroud retaining bolt . . . . . . . . . . . . . . . . . . . . . . . 3 to 5 2 to 4
Radiator cooling fan motor to shroud nuts . . . . . . . . . . . . . . . . . . . . . . . 9 to 12 7 to 9
Automatic transmission fluid cooling pipe connections to radiator . . . . 17 to 21 13 to 16
3•2 Cooling, heating and ventilation systems
1595Ford Fiesta Remake
1 General information and
precautions
Engine cooling system
The cooling system is of the pressurised
type consisting of a belt-driven pump,
aluminium crossflow radiator, expansion tank,
electric cooling fan and a thermostat. The
system functions as follows. Cold coolant in
the bottom of the radiator passes through the
bottom hose to the water pump, where it is
pumped around the cylinder block and head
passages. After cooling the cylinder bores,
combustion surfaces and valve seats, the
coolant reaches the underside of the
thermostat, which is initially closed. The
coolant passes through the heater and
inlet manifold and is returned to the water
pump. When the engine is cold, the coolant
circulates through the cylinder block, cylinder
head, heater and inlet manifold. When the
coolant reaches a predetermined tempera-
ture, the thermostat opens, and the coolant
then passes through the top hose to
the radiator. As the coolant circulates
through the radiator, it is cooled by the inrush
of air when the car is in forward motion.
Airflow is supplemented by the action of the
electric cooling fan when necessary. Upon
reaching the bottom of the radiator, the
coolant is now cooled, and the cycle is
repeated. When the engine is at normal operating
temperature, the coolant expands, and some
of it is displaced into the expansion tank. This
coolant collects in the tank, and is returned to
the radiator when the system cools.
The electric cooling fan, mounted behind
the radiator, is controlled by a thermostatic switch. At a predetermined coolant
temperature, the switch contacts close, thus
actuating the fan.
Heating/ventilation system
The heating system consists of a blower fan
and heater matrix (radiator) located in the
heater unit, with hoses connecting the heater
matrix to the engine cooling system. Hot
engine coolant is circulated through the
heater matrix. Air is forced through the matrix
by the three-speed fan, dispersing the heat
into the vehicle interior. Fresh air enters the
vehicle through the grille slats between the
windscreen and the rear edge of the bonnet,
and passes through to the heater casing.
Depending on the position of the heater slide
controls, which actuate cable-controlled flap
valves within the heater casing, the air is
distributed, either heated or unheated, via the
ducting to outlet vents. The main outlet vents
in the facia are adjustable. The airflow passes
through the passenger compartment to exit at
the rear of the vehicle.
Precautions
Warning: DO NOT attempt to
remove the expansion tank filler
cap, or to disturb any part of the
cooling system, while it or the
engine is hot, as there is a very great risk
of scalding. If the expansion tank filler cap
must be removed before the engine and
radiator have fully cooled down (even
though this is not recommended) the
pressure in the cooling system must first
be released. Cover the cap with a thick
layer of cloth, to avoid scalding, and slowly
unscrew the filler cap until a hissing sound
can be heard. When the hissing has
stopped, showing that pressure is
released, slowly unscrew the filler cap
further until it can be removed; if more
hissing sounds are heard, wait until they have stopped before unscrewing the cap
completely. At all times, keep well away
from the filler opening.
Warning: Do not allow antifreeze
to come in contact with your
skin, or with the painted
surfaces of the vehicle. Rinse off
spills immediately with plenty of water.
Never leave antifreeze lying around in an
open container, or in a puddle in the
driveway or on the garage floor. Children
and pets are attracted by its sweet smell,
but antifreeze can be fatal if ingested. Warning: If the engine is hot, the
electric cooling fan may start
rotating even if the engine is not
running, so be careful to keep
hands, hair and loose clothing well clear
when working in the engine compartment.
2 Antifreeze -
general information
Note: Refer to the warnings given in Section 1
of this Chapter before proceeding. The cooling system should be filled with a
water/ethylene glycol-based antifreeze
solution, of a strength which will prevent
freezing down to at least -25ºC, or lower if the
local climate requires it. Antifreeze also
provides protection against corrosion, and
increases the coolant boiling point. The cooling system should be maintained
according to the schedule described in
Chapter 1. If antifreeze is used that is not to
Ford’s specification, old or contaminated
coolant mixtures are likely to cause damage,
and encourage the formation of corrosion and
scale in the system. Use distilled water with the
antifreeze, if available - if not, be sure to use
only soft water. Clean rainwater is suitable.
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