Table Of ContentAutobooks
Fiat 131 Mirafiori 1975-82 Autobook
By the Autobooks Team of Writers and Illustrators
Fiat 131 Mirafiori 1300 1975-78
Fiat 131 Mirafiori 1300 L 1978-79
Fiat 131 Mirafiori 1300 CL 1979-82
Fiat 131 Mirafiori 1600 S_ 1975-78
Fiat 131 Mirafiori 1600 CL 1978-82
Fiat 131 Mirafiori 1800 1975-77
Fiat 131 Mirafiori 2000 Sport 1978-82
Fiat 131 Supermirafiori 1600 TC 1978-82
Autobooks Ltd.
Bradford Road East Ardsley Wakefield West Yorkshire WF3 2JN England
The AUTOBOOK series of Workshop Manuals
is the largest in the world and covers the
majority of British and Continental motor cars,
as well as the majority of Japanese and
Australian models.
Whilst every care has been taken to ensure
correctness of information it is obviously not
possible to guarantee complete freedom from
errors or omissions or to accept liability arising
from such errors or omissions.
CONTENTS
Introduction
Chapter 1 The Engine 8
Chapter 2 The Fuel System 33
Chapter3 The Ignition Systern 43
Chapter4 The Cooling System 51
Chapter § The Clutch 87
Chapter6 Manual Transmission 61
Chapter? Automatic Transmission 7
Chapter8 Propeller Shaft, Reer Axle
‘and Rear Suspension 85
Chapter Front Suspension and Hubs a
Chapter 10. The Steering Gear 99
Chapter 11. The Braking System 105
Chapter 12. The Electrical System "17
Chapter 13. The Bodywork 123
Appendix 131
'9BN 0 Bb148 226 x
Fat Edtion 1977
eprinad 1873
Setord Eaton fullyrevised 1980
Reprinted 1882
‘hind Edin, fully rovised 1982
© Autobooks Ltd 1982
{All rights reserved. No pt of this ausliation may 96
Fepioduced, stored 1 aFevieval system or rangm ted
imany fore or by any means, election, mochorical
photovopying, receiving ar otherwis, witnout the Prior
Pereission uf Autobodks (td
287
Printed in Brighton England! for Autobooks Ltd by. Beard and San lta
Bouind is Hove Englandtor Autobaoks Lid by Seawhite Ltd
INTRODUCTION
‘This do-it-yourself Worksho Manual has been specially written for the owner
who wishes to maintain his vehiele in fist class condition and to carry out the
bulk of his own servicing and repsirs. Considerable savings on garage charges
‘can be made, and one can drive in safety and confidence knowing the work has
been done properly
Camprehansive step-by-step Instructions and illustrations are given on most
dismantling, overhauling and essembling operations. Certain assemblies require
the use of excensive special tools, the purchase of which would be unjustified.
In these cases information is included but the reader is recommended ta hand
the unit to the agent for attention,
Throughout the Manual hints and tips are included which will be found
Invaluable, and there is an easy 10 follow faull diagnosis at the end of each
chapter
Whilst every care has been taken to ensure correctness of information it is
obviously n6t possible 10 guarantee complete freedom from errors or omissions
fr 20 acrep* liability arising from such a1tors or omissions,
Instructions may refer to the righthand or lefthand sides of the vehicle or the
components, These are the same as the righthand or lefthand of an observer
Standing bsbind the vahicie and looking forward,
CHAPTER 1
THE ENGINE
Description
Removing the engine
Removing and refitting cylinder head
Cylinder head and camshalt servicing
Valve clearance adjustment
Timing batt
Pistons and connecting rods
1:1 Deserption
engines of wo dferart tyoes and four efforan szas
se Used in the range of cars covered inthis manual On
‘oily care ree engines were avaiable of which to,
ihe 1300 end the 1600, hd overhead valves operat by
pushrods ard rockers; the thd engine, know the
1800, had double overhead camshafts to operate the
‘Valves The actual cazactoe of those tes angi Were
1287-1588 and 175802 respecte.
in 1870, wth the itvachetion oF the Supermicaion
range, the 1300 nnd 1600 engines: hecame aelae wth
‘oubleovsrnsed comehafta and a thir, simi, sngine of
‘18850 know asthe 2000, was added to ‘on
sump cars tho capacty of the 1287e0 angina was
Incwssed to 1301 by raising the bore drrension by
(Liem. these eneines re sill relowed to as tho 130)
{though they have e ferent type suber 98 willbe seen
by ‘ha soeofieations glen in Technigal Data in the
Append
‘Rpart forte very obvicuseliferencesassosted with
tne lintor meas and valve oparating goa, athe enainss
4 aimlar In asi design ae corstction. snd the
‘esctptons and servicing tperations given in is chapter
‘wil! apply 22a anghes except where specially
ite
ankeate, the lowe fall ait fod ‘by the
prosead steal eum. The aluminium pistons are ach
Drovided with two comprassion rings and a single ll
ontat rian
‘The Te bearing countorbalanced crankshaft ‘= a
NIRARIOR!
1:9. Crankshaft and bearings
10 Auailiary shalt
11 Cylinder block
12 Tha oil pump
18 The al filter
1:14 Reassambling the engine
1:15 Rofitting the engine
116 Fault diagnosis
1
1
1
1
special steel casting. Crankshaft ené thus is t2<0n by
thrust ngs at the rear main bearing positon. The man
nd igiend bearings ie provided with -erevete shall
type ines
‘Agaar ye oil pump dkaws ol fram the sum benaath
thorns ene supp esto ho system undo preset. A
‘elit valve is ite to the system to iit the raxiram il
prassue when the engines cost Presure od ts fly
‘toed before being passed tothe main ei galley, ort
‘wtich poine the ll Is routed to the man End big-end
heaving and "0 the comshat suapart bsarnos. Tho
Valve grat tt lubseatd by of ining “Tom the a9
Bpsrsting mechanism, the pisinas and cylinders ing
lbreatea discty by supply jets and indiecty by oi
‘leh ‘rem the big-end. Besrng®. Ol eeesep3e in tha
renkease cappy ol (othe camanalt on both pustred
Sagines orto the auxiliary shal: bearings On overhead
Samana versions,
‘On the pushrod engines the sk camehaf, drven by
tootned elt fom te erankshataulley operates the over
head vaks by means oF tappets, pushods anc rockors
“The rockers are provided sith treated sdusters fallow
valve clarances to be comecty set The camshaft Is
Drove with 8 gear to ave the estrbutor and all pump
Sandan ccornc te aperato th uel pura A ross ston
ough types 1300 or 1600 psa srg suv
inFI@t:1
OHC models a prided with twin ovarhaad car
shatts each camshaft boing mounted ina. seoarate
housing boted to tho top ofthe cylinder head. The car
shafts are diven by a toothed belt from the crankshaft
FIG 1:1. Cross-rectin through ypica 1300 or 1600 pustred engine
socket An auuilarysheft and sprocket. dean by tho
inarioR ”
Fels manifols 8. Remove ru
move nut and sachets 3
(0 Chepter 2 and remove the
Yer te FIG 1:8 Discornect
we
MIRAFIOR! a
