service indicator FORD FIESTA 1989 Service Repair Manual

caps. Tighten the bearing cap bolts to the
specified torque wrench setting, then
measure the endfloat using a DTI (Dial Test
Indicator, or dial gauge) mounted on the
cylinder head so that its tip bears on the
camshaft right-hand end.
16Tap the camshaft fully towards the gauge,
zero the gauge, then tap the camshaft fully
away from the gauge, and note the gauge
reading. If the endfloat measured is found to
be at or beyond the specified service limit, fit
a new camshaft and repeat the check; if the
clearance is still excessive, the cylinder head
must be renewed.
Refitting
17 On reassembly, liberally oil the cylinder
head hydraulic tappet bores and the tappets
(see illustration) . Note that if new tappets are
being fitted, they must be charged with clean
engine oil before installation. Carefully refit the
tappets to the cylinder head, ensuring that
each tappet is refitted to its original bore, and
is the correct way up. Some care will be
required to enter the tappets squarely into
their bores.
18 Liberally oil the camshaft bearings and
lobes. Ensuring that each camshaft is in its
original location, refit the camshafts, locating
each so that the slot in its left-hand end is
approximately parallel to, and just above, the
cylinder head mating surface.
19 Ensure that the locating dowels are pressed firmly into their recesses, and check
that all mating surfaces are completely clean,
unmarked and free from oil. Apply a thin film
of suitable sealant (Ford recommend
Loctite 518) to the mating surfaces of each
camshaft’s right-hand bearing cap
(see
illustration) . Referring to paragraph 6 of
Section 10, some owners may wish to fit the
new camshaft oil seals at this stage.
20 All camshaft bearing caps have a single-
digit identifying number etched on them (see
illustration) . The exhaust camshaft’s bearing
caps are numbered in sequence 0 to 4, the
inlet’s 5 to 9; see illustration 11.21a for details.
Each cap is to be fitted so that its numbered
side faces outwards, to the front (exhaust) or
to the rear (inlet).
21 Ensuring that each cap is kept square to
the cylinder head as it is tightened down, and
working in the sequence shown, tighten the
camshaft bearing cap bolts slowly and by one
turn at a time, until each cap touches the
cylinder head (see illustration) . Next, go
round again in the same sequence, tightening
the bolts to the first stage torque wrench
setting specified, then once more, tightening
them to the second stage setting. Work only
as described, to impose gradually and evenly
the pressure of the valve springs on the caps.
Fit the camshaft-aligning tool; it should slip
into place as described in paragraph 8 of
Section 8 (see illustration) .
22 Wipe off all surplus sealant, so that none
is left to find its way into any oilways. Follow the sealant manufacturer’s instructions as to
the time needed for curing; usually, at least an
hour must be allowed between application of
the sealant and starting the engine.
23
If using Ford’s recommended procedure,
fit new oil seals to the camshafts as described
in paragraph 5 of Section 10.
24 Using the marks and notes made on
dismantling to ensure that each is refitted to
its original camshaft, refit the sprockets to the
camshafts, tightening the retaining bolts
loosely. Slip the timing belt back onto the
sprockets (refer to paragraph 19 of Section 8)
and tighten the bolts securely - use the forked
holding tool described in paragraph 16 of
Section 8.
25 The remainder of the reassembly
procedure, including checking the camshaft
alignment (valve timing) and setting the timing
belt tension, is as described in paragraphs 15
to 25 of Section 8.
12 Cylinder head -
removal and refitting
4
Removal
Note: The following text assumes that the
cylinder head will be removed with both inlet
and exhaust manifolds attached. This
simplifies the procedure, but makes it a bulky
and heavy assembly to handle - an engine
hoist will be required, to prevent the risk of
injury, and to prevent damage to any delicate
components as the assembly is removed and
refitted. If it is wished first to remove the
manifolds, refer to Chapter 4D, then amend
the following procedure accordingly.
1 Depressurise the fuel system (see Chap-
ter 4D).
2 Disconnect the battery negative (earth) lead
(refer to Chapter 5A, Section 1).
3 Refer to Chapter 4D and remove the air
inlet components.
4 Equalise the pressure in the fuel tank by
removing the filler cap, then undo the fuel
feed and return lines connecting the engine to
the chassis (see Chapter 4D). Plug or cap all
open fittings.
2C•10 Zetec engine in-car repair procedures
11.21b Fit camshaft-aligning tool to set TDC position while camshaft toothed
pulleys are refitted
11.21a Camshaft bearing cap tightening sequence
Note: View from front of vehicle - locate
bearing caps according to etched numbers, aligned as described in text
11.20 Etched marks on camshaft bearing
caps must be arranged as shown, and face outwards11.19 Apply sealant to mating surface ofcamshaft right-hand bearing caps11.17 Oil liberally when refitting hydraulic tappets
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BulbsWattage
Headlight (halogen) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . H4, 60/55
Sidelight (front) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . 5
Direction indicators (main) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Side direction indicator repeaters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Auxiliary driving and foglights (S and XR2i) . . . . . . . . . . . . . . . . . . . . . . H3, 55
Stop/tail light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . 21/5
Rear foglight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . 21
Reversing light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . 21
Number plate light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . 10
Interior light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . 10
Luggage compartment light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Instrument warning lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
1.3 or 2.6
Panel illumination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . 1.3 or 2.6
Cigarette lighter illumination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.4
Automatic transmission selector illumination . . . . . . . . . . . . . . . . . . . . . 2
Lubricants
Grease for windscreen wiper linkage and pivots . . . . . . . . . . . . . . . . . . To Ford specification SAM-1C-911-A
Torque wrench settingsNm lbf ft
Wiper motor to bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . 8 to 9 6 to 7
Wiper motor bracket to bulkhead/tailgate . . . . . . . . . . . . . . . . . . . . . . . 6 to 8 4 to 6
Windscreen wiper crank to driving shaft nut . . . . . . . . . . . . . . . . . . . . . 22 to 24 16 to 18
Windscreen/tailgate wiper arm retaining nut . . . . . . . . . . . . . . . . . . . . . 17 to 18 12 to 13
Windscreen wiper pivot shaft nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 to 12 7 to 9
Windscreen/tailgate washer reservoir securing bolts . . . . . . . . . . . . . . . 2.5 to 3.5 2 to 3
Headlight retaining bolt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. 5.4 to 7.0 4 to 5
Tail light securing nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . 1.5 to 2.5 1 to 2
Auxiliary light retaining nut (S models) . . . . . . . . . . . . . . . . . . . . . . . . . . 6.8 to 9.2 5 to 7
Horn bracket retaining bolt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 to 33 18 to 24
Starter inhibitor switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . 9 to 14 7 to 10
Body electrical systems 12•3
12
1595Ford Fiesta Remake
1 General information and
precautions
General information
The electrical system is of 12-volt negative
earth type. Power for the lights and all
electrical accessories is supplied by a
lead/acid battery, which is charged by the
engine-driven alternator.
This Chapter covers repair and service
procedures for the various electrical
components not associated with the engine.
Information on the battery, ignition system,
alternator, and starter motor can be found in
Chapter 5A and B.
All models from 1994 onwards are fitted
with a driver’s air bag, which is designed to
prevent serious chest and head injuries to the
driver during an accident. A similar bag for the
front seat passenger is also available. The
combined sensor and electronics for the air
bag is located next to the steering column
inside the vehicle, and contains a back-up
capacitor, crash sensor, decelerometer,
safety sensor, integrated circuit and
microprocessor. The air bag is inflated by a
gas generator, which forces the bag out of the module cover in the centre of the steering
wheel. A “clock spring” ensures that a good
electrical connection is maintained with the air
bag at all times - as the steering wheel is
turned in each direction, the spring winds and
unwinds.
An anti-theft alarm system is available on
later models, and is triggered if the vehicle is
broken into through the doors, bonnet, or
tailgate. The alarm will also be triggered if the
ignition or audio equipment is tampered with.
Additionally, from the 1994 model year
onwards, a Passive Anti-Theft System (PATS)
is fitted. This system, (which works
independently of the standard alarm) prevents
the engine from being started unless a
specific code, programmed into the ignition
key, is recognised by the PATS transceiver.
Precautions
Warning: Before carrying out
any work on the electrical
system, read through the
precautions given in “Safety
first!” at the beginning of this manual and
in Chapter 5A, Section 1.
Caution: Prior to working on any
component in the electrical system, the
battery negative lead should first be
disconnected, to prevent the possibility of electrical short-circuits and/or fires. If a
radio/cassette player with anti-theft
security code is fitted, refer to the
information given in the reference sections
of this manual before disconnecting the
battery.
2 Electrical fault-finding
-
general information
2
Note: Refer to the precautions given in
“Safety first!” and in Section 1 of this Chapter
before starting work. The following tests relate
to testing of the main electrical circuits, and
should not be used to test delicate electronic
circuits (such as engine management
systems), particularly where an electronic
control unit is used. Also refer to the
precautions given in Chapter 5A, Section 1.
General
1 A typical electrical circuit consists of an
electrical component, any switches, relays,
motors, fuses, fusible links or circuit breakers
related to that component, and the wiring and
connectors which link the component to both
the battery and the chassis. To help to
pinpoint a problem in an electrical circuit,
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1595 Ford Fiesta Remake
REF•18Fault finding
Braking system
Note:Before assuming that a brake problem exists, make sure that the
tyres are in good condition and correctly inflated, that the front wheel\
alignment is correct, and that the vehicle is not loaded with weight in \
an
unequal manner. Apart from checking the condition of all pipe and
hose connections, any faults occurring on the Anti-lock Braking System
(ABS) should be referred to a Ford dealer for diagnosis.
Vehicle pulls to one side under braking
m m Worn, defective, damaged or contaminated front or rear brake
pads/shoes on one side (Chapter 1).
m m Seized or partially-seized front or rear brake caliper/wheel cylinder
piston (Chapter 9).
m m A mixture of brake pad/shoe lining materials fitted between sides
Chapter 1).
m m Brake caliper mounting bolts loose (Chapter 9).
m
m Rear brake backplate mounting bolts loose (Chapter 9).
m
m Worn or damaged steering or suspension components (Chap-
ter 10).
Noise (grinding or high-pitched squeal) when
brakes applied
m mBrake pad or shoe friction lining material worn down to metal
backing Chapter 1).
m m Excessive corrosion of brake disc or drum (may be apparent after
the vehicle has been standing for some time) (Chapter 1).
Excessive brake pedal travel
m mInoperative rear brake self-adjust mechanism (Chapter 9).
m
m Faulty master cylinder (Chapter 9).
m
m Air in hydraulic system (Chapter 9).
Rear wheels locking under normal braking
m
mRear brake shoe linings contaminated (Chapter 1).
m
m Faulty brake pressure regulator (Chapter 9).
Brake pedal feels spongy when depressed
m
mAir in hydraulic system (Chapter 9).
m
m Deteriorated flexible rubber brake hoses (Chapter 9).
m
m Master cylinder mounting nuts loose (Chapter 9).
m
m Faulty master cylinder (Chapter 9).
Excessive brake pedal effort required to stop
vehicle
m mFaulty vacuum servo unit (Chapter 9).
m
m Disconnected, damaged or insecure brake servo vacuum hose
(Chapter 9).
m m Primary or secondary hydraulic circuit failure (Chapter 9).
m
m Seized brake caliper or wheel cylinder piston(s) (Chapter 9).
m
m Brake pads or brake shoes incorrectly fitted (Chapter 9).
m
m Incorrect grade of brake pads or brake shoes fitted (Chapter 1).
m
m Brake pads or brake shoe linings contaminated (Chapter 1).
Judder felt through brake pedal or steering wheel
when braking
m mExcessive run-out or distortion of front discs or rear drums
Chapter 9).
m m Brake pad or brake shoe linings worn (Chapter 1).
m
m Brake caliper or rear brake backplate mounting bolts loose
(Chapter 9).
m m Wear in suspension or steering components or mountings
(Chapter 10).
Brakes binding
m mSeized brake caliper or wheel cylinder piston(s) (Chapter 9).
m
m Faulty handbrake mechanism (Chapter 9).
m
m Faulty master cylinder (Chapter 9).
Automatic transmission
Note: Due to the complexity of the automatic transmission, it is difficult
for the home mechanic to properly diagnose and service this unit. For
problems other than the following, the vehicle should be taken to a
dealer service department or automatic transmission specialist.
Fluid leakage
m m Automatic transmission fluid is usually deep red in colour. Fluid
leaks should not be confused with engine oil, which can easily be
blown onto the transmission by airflow.
m m To determine the source of a leak, first remove all built-up dirt and
grime from the transmission housing and surrounding areas, using
a degreasing agent, or by steam-cleaning. Drive the vehicle at low
speed, so airflow will not blow the leak far from its source. Raise
and support the vehicle, and determine where the leak is coming
from. The following are common areas of leakage:
a) Transmission fluid sump (Chapters 1 and 7B).
b) Dipstick tube (Chapters 1 and 7B).
c) Transmission-to-fluid cooler pipes/unions (Chapter 7B).
d) Speedometer drive pinion O-ring.
e) Differential output fluid seals (Chapter 7B).
Transmission fluid brown, or has burned smell
m m Transmission fluid level low, or fluid in need of renewal (Chapter 1).\
Engine will not start in any gear, or starts in gears
other than Park or Neutral
m mStarter inhibitor switch faulty (Chapter 7B).
m
m Incorrect selector cable adjustment (Chapter 7B).
General gear selection problems
m
mChapter 7B deals with checking and adjusting the selector cable
on automatic transmissions. The following are common problems
which may be caused by a poorly-adjusted cable:
a) Engine starting in gears other than Park or Neutral.
b) Indicator on gear selector lever pointing to a gear other than the
one actually being used.
c) Vehicle moves when in Park or Neutral.
d) Poor gear shift quality or erratic gear changes.
Refer to Chapter 7B for the selector cable adjustment procedure.
Transmission will not downshift (kickdown) with
accelerator pedal fully depressed
m m Low transmission fluid level (Chapter 1).
m
m Incorrect selector cable adjustment (Chapter 7B).
m
m Engine management system fault (Chapters 1, 4A, 4B, 4C, 4D, 4E
or 5B).
Transmission slips, is noisy, or has no drive in
forward or reverse gears
m mThere are many probable causes for the above problems, but the
home mechanic should be concerned with only one possibility -
fluid level. Before taking the vehicle to a dealer or transmission
specialist, check the fluid level and condition of the fluid as
described in Chapter 1. Correct the fluid level as necessary, or
change the fluid if needed. If the problem persists, professional
help will be necessary.
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