wheel torque Citroen CX 1981 1.G Workshop Manual

Downloaded from www.Manualslib.com manuals search engine .r.
-/1
LIST OF OPERATIONS
IN MANUAL 818-1
a CX Petrol )) 7,rhifles
--
-
f-7
i---- _--
-
Operation
number
MA. 330-00
MA . . 344-O
MA. 372-00
MA. 390-00
MA. 390-O
MA. 410-00
MA. 410-O
MA. 420-00
MA. 420-O
MA. 430-00
MA. 430-O
MA. 434-O
MA. ,440-00
MA. 440-O DESCRIPTION GEARBOX and GEARBOX CQNTROL
*O 4
Characteristics and special features of the gearbox
- Four-speed gearbox with pedal-operated clutch
- Gearbox.with torque converter
- Draining and refilling the gearbox and the torque converter
- Five-speed gearbox with pedal-operated clutch
Adjusting the gearbox control mechanism DRIVE SttiFTS
Characteristics and special features of the drive-shafts SOURCE AND RESERVE OF PRESSURE
Characteristics and special features of the source and reserve of pressure -
hydraulic system
Checking the hydraulic components on the vehicle FRONT AXLE
+O 7
Characteristics and special features of the front axle
Checking and adjusting the front axle :
- Checking the camber
- Checking and adjusting the castor angle
- Checking and adjusting the wheel alignment
- Checking and adjusting the steering geometry
- Checking the steering for straight line deviation (
whirfes cjq77ippcJrl with REAR AXLE
*O 8
Characteristics and special features of the rear axle
Checking and adjusting the rear axle SUSPENSION SYSTEM
I,0 9
Characteristics and special features of the suspension system
Checking and adjusting the suspension and its controls
Adjusting the anti-roll bar STEERING SYSTEM
*@
Characteristics and special features of the steering system
- Manual steering
- Power steering with powered return
Checking and adjusting the steering (see Op. MA. 410-O )
Ob
4
Ob 5
Ok 6
Ok 7
O+ 8
O1) 9

Downloaded from www.Manualslib.com manuals search engine OPERATION N” MA. 000 : G~~/c~rnl chnracteris/ics Op. MA. 000 3
CX 2000 and CX 2200 SALOON
( Vehicles fitted with M 20/616 1985 cc and M 227617 2175 cc engines )
I. GENERAL CHARACTERISTICS
cx 2000 cx 2200 I
- Official symbol .._... _. .._................. .._. MA series MB MA series MC
- Commercial symbol ., ,. . .._._.._............._........................ cx 2000 cx 2200
Factory symbol
( quarantee ) _._,_..,,.__._..__._..................,.................... . . . . MB MC
- Date of int:oduction . . ..__..._.._....._._..............,.......................,,........,.,...... September 1974 January 1975
- French fiscal ratinq ,.....,...._..._...._,......................,,..,..,........................... 11 cv 12 cv
- Number of seats ._...._...__._..................................,....,...,....................,........ 5 5
NOTE : u CX 2200 1) vi?hicles can be fitted with a gearbox with torque converter
as optional equipment.
Wheels and tyres :
_ Rims ___,._.__.__.__.,.._..._..,. ..,.,,.___..._._.....__.....................,...,...................... .,. _ ..__......_..._ 5 l/2 J X 14 FHA
CX 2000 (rrlith .\fmun/ s/eerir/g 1
- Tyres ( /II/~c~/(~s.s )
Tyre pressures ( in bars, and psi ) ._..__..._._. 2 bars ( 29 psi ) ;I
2.1 bars (30 1/2psi) 2.3 ba:s‘( 33 I/ 7psi)
Authoaized alternative ,
- Tyres ( ~r~l~c~less )
185 SR 14 ZX 185 SR 14 ZX 185 SR 14 ZX
- Tyres with inner tubes 14 F 9 - 13
a) _.., _._. .._,,....___,.__._......................................... 185 SR 14 ZX 18.5 SR 14 ZX 185 SR 14 ZX
b ) . 185 SR 14 ZX 175 SR 14 ZX 175 SR 14 ZX
-
Tyres ( special equipment ) _...._._,,.....__._......... 185 R 14 X(M+S) 185R14X(M+S) 185R 14 X(MtS)
From September 1976 onwards, Michelin type ZX tyres, have been replaced by t.ype
XZX.
The size and pressure remain the same.
In case of replacement of two TX tyres by two
XZX tyres, it is preferable to fit the latter at the rear.
All CX 2200 vehicles and
CX 2000 ( with power steering )
- Tyres (tubeless ) . . ..__._._._.___... ..___.__.._......._.._._ I85 HR 14 XVS 175 HR 14 XVS 175 HR 14 XVS
- Pressures __.,._.__.,__...._.,....~.......,...... ._ .___......... l.gbars(27 1/2psi) 2.1 bars(30 1/2psi) 2.3 bars (33 ‘/2psi)
Authorized alternative :
-1 Tyres (tubeless) _._....._..,___._._....,.,...........,..,.... 185 HR 14 XVS
- Tyres with, inner tubes 14 F 9-13
a) . . . . . . . . . . . . . . . . ..i,..,..___._. .,.._.._.~_..__~.~..~ j.,_~.~._.
b) _____.__,,..,..__.__...................................................
- Tyres ( special equipment ) __...._,.___...............; , .~~~,
NOTE : Tyre pressures are indicated on a label located on the panel at the front of the door on the driver’s side.
II. GENERAL DIMENSIONS
Dimensions :
- Front track ..,..,_.__.................. 1:474 m ( 4 ft. 10 ins ) Front overhang . . . . . . . . . . . . . . . .._...... 1~050 m(3ft. 5 l/2 ins)
- Rear track . . . . . . . . . . . .._._.............. 1.360 m (4ft. 5 l/2 ins)
Overall width . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.730 m ( 5ft. 8 ins )
- Wheelbase . . . . . . . . . . . . ..____............ 2 845 m (9ft. 4ins ) Height {normal
driving
-- bverall length 1 ( CX 2000 ) __ 4.630 m( 15ft.2 1/2ins) position’) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.360 m ( 4ft. 5 1/2ins)
( cx 2200 ) 4.660 m ( 15ft.3 l/2 ins) Ground clearance (normal
driving position ) . . . . . . . . . . . . . . . . . . . 0.155 m ( 6 1/8th.ins)

Downloaded from www.Manualslib.com manuals search engine OPERATION No MA. 000 : General characteristics Op. MA. 000 7
CX ,, PRESTIGE ,,‘SALOON
: ( Vehicle equipped with the M 23/623 2350 cc engine )
1. GENERAL CHARACTERISTICS :
- Official symbol MA series MK ................................................................................................................................
- Commercial symbol ........................................................................................................................ CX PRESTIGE
- Factory symbol ( Wurrmzty symbol ) .................................................
:. .............................................
MK
- Introduction date ........................................................................................................................
February 1976
_ French fiscal rating
............................. , ........................................................................................... 13
hp
- Number of seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
NOTE : The following items are standard equipment on CX (( Prestige )) vehicles; VariPower steering ( with
powered return ). Air-conditioning and a (( Froid- 20 1) heater unit. Since December 1976, these vehicles can
be fitted with’a gearbox with torque converter as optional equipment.
Wheels and tyres :
- Wheelrims .,...,._.__._......_...,.................,,....,................................................. . . . . . . . . . . . . . . . 5 l/2 F x 14 FHA
- Tyres ( tubeless ) . . . . . .
(psi) . . . . . . . . . . . . .._.._.......... )
2.2
Authorised alternatives :
-‘Pressure in bars
- Tyres ( .Ppecial equipment) . . . . . . .
185R14 X (M + S ) 185R14X(M+S) 185R14X(M+S)
- Pressure in bars ( psi ) . . . . . . . . . . . . . . . . . . . . 2.2’ ( 32 ) 2.2 ( 32 ) 2.4
( 35 )
I
II. GENERAL DIMENSIONS
Dimensions :
- Front track ......................................................................................................
1.474m (4ft. loins)
- Rear track
... . ................................................................................................... 1.360 m (4 ft. 5 /l/2 ins )
,- Wheelbase ................................... . ...................................................................
3.095m (10 ft. 1 3/4.ins)
- Overall length ............................................................................................. 4.916 m ( 16 ft. 1 /l/2 ins )
- Front overhang ...............................................................................................
1.057 m (3 ft. 5 A/2 ins )
- Overall width ............................................................................................... 1.734m (5 ft. 8 /l/,4 ins)
- Height of vehicle (in normal driving position ) .. :. ..................................... 1.357
m ( 4 ft. 5 /l/2 ins )
- Ground clearance (An normal driving position ) ........................................ 0.155m (9 ft. 6.1 ins)

Downloaded from www.Manualslib.com manuals search engine OPERATION No MA. 000 : Gwc~rnl characteristics Op. MA. 000 9
CX 2400 SALOON
( Vehicles equipped with thk M 23/623 - 2350 cc engine )
I. GENERAL CHARACT.ERlSTlCS :
- Official symbol .._.. .._..._......................,.............._....._._....__._..__._........... MA series MJ
- Commercial symbol .._..._._... _.........,._........._...... .._ .._..._..._..._..._._... .._..._..._._..._._ CX 2400
- Factory symbol ( Warrar~ty symbol ) MJ
. . ..o........................,,.....................................
- Introduction date .._.... _.. .._.. _._... ,.. .._...,_, .,. ,. _... .,._.... September 1976
- French fiscal rating .._............._..........._..__._..,...._....._.._........_.,.,.,..,.,......, .,_.. ,........ 13 hp
- Number of seats ..I.... ,.................................................,..... 5
NOTE CX 2400 saloon vehicles can be fitted with a torque converter gearbox and an air-conditioning unit as
optional.equipment. From December 1976 onwards, these two items can be fitted together. Wheels and tyres :
- Wheelrims .._. ._......_.,._..._.,....._..._..............,........................ ~ . . . . . . . 5 l/2 Jx14FHA
TYPE AND PRESSURE IN BARS ( PSI )
MICHELIN
I
TYRES
r~-~ FRONT
185 HR 14 XVS-TU
STANDARD
FITTING
1.9 (27.5) REAR SPARE
175 HR 14 XVS-TU
2.1 (30.5) 2.3 (33.5)
185 HR 14 XVS - TU
AUTHORISED
1.9 (27.5) 1.9 (27.5) 2.1 (30.5)

ALTERNATIVE 185-14 X (M + S )
1.9 (27.5 ) 1.9 (27.5) 2.1 ( 30.5 )
NOTE Vehicles are fitted with TUBELESS tyres as standard equipment. They can be fitted with tyres with
inner tubes of the same type, the pressures remaining the same.
The tyre pressures are indicated on a label located on the panel at the front of the door (011 the
drilw’s side). II. GENERAL QIMENSIONS
Dimensions :
- Front track
........................................................ . .................................................. 1.474 m ( 4ft. 10 ins)
- Rear track ...................................................................... :. ....................................... 1.360 m ( 4 ft. 5 1/2ins)
- Wheelbase ............................................................................................................... 2.845 m ( 9 ft. 4 ins )
- Overall length ............................................................................................................
4.660 m ( 15ft. 3 1/2ins)
- Front overhang ...........................................................................................................
1.050 m ( 3 ft. 5 l/2 ins)
- Overall width .......................................................................................................... ; 1 .730 m ( 5 ft. 8 ins )
- Height of vehicle
(in the normal driving position ) ............................................... 1.360 m ( 4 ft. 5 1/2ins)
_ Ground clearance (
in the uormal drilhzg position ) .................................................. ; 0.155 m ( 0 ft.6.1 ins )

Downloaded from www.Manualslib.com manuals search engine OPERATION No MA. 112-O : ChcJcking and adjusting the valrv mechanism. Op. MA. 112-O
1
ADJUSTING THE ROCKER ARMS
Ir
E
2 Rotating the crankshaft :
7
m
Vc,birlvs /i//cd wifh n WRIINRI ~varbot :
E Raise one front wheel of the vehicle,
and engage 4th or 5th gear in order to rotate the crankshaft by means of the
3
6 raised wheel.
I
e Vchirlcs /ittcd wilh a lo~qnr covwrlc~ :
- There are two methods for rotating the crankshaft :
Gz feed the
starter using CI G-volt battery,
;
remove the protective plate under the converter casing, and rotate it using a screwdriver.
:
Never attempt to rotate the engine using the camshaft pulley locknut.
1. Remove the following :
a) The rocker cover and its gasket (~,ofii~rr~s
/i//d Will, a rarb,,wt/or I.
b) The injection manifold and the racker-cover
(/,,<,I iU/<~CfPd r,zgir,rs 1.
2. Adiust the engine cold :
Inkt : 0.15 mm
With lb<‘ i Exhaust : 0.20 mm
3. Fit the rocker cover and its gasket.
Tightening torque of fixing screws : 0.5 to 0.8 daNm
(3.5 tc. 6 ft.lbs ).
Fit the injection manifold f i/ nczvd br 1.
Lower the wheel to the ground,
and disengage the
gear.
r ACCEPTABLEMETHODS
I I
I. (< Rocking )> the valves :
(Inlet valve starting to open, and exhaust valve
I
closing) closing)
Bring No. 1 in <, rocking position /) adjust No. 4 Bring No. 1 in <, rocking position /) adjust No. 4
II II
No. 3” ” ” ” No. 3” ” ” ” No. 2 No. 2
0 0
No.4 I’ ” ” ” No.4 I’ ” ” ” No. 1 No. 1
” No.2 ” ” ” ” ” No.2 ” ” ” ” No. 3 No. 3
II. Exhaust valves fully open :
Valve to be opened
fully : Adjustment of rocker arm
CleUKUlCe
Exhaust valve No. 1
,, I, No. 3
,, ,, No. 4
,, ,, No. 2
If a rocker-rim noise persists after adjustment, proceed as follows :

Downloaded from www.Manualslib.com manuals search engine CHARACTERISTICS
ENGINE REF.
........................................................................................... ........................ M 23/ 622
DISTRIBUTOR DUCELLIER ..................................................................................................................
Reference ..................................................................................................................... 525 100 A
Direction of rotation ( seen from drive end ) . .................................................................
Anti-clockwise
Star point gap ( between star point and sensor ) .............................................................. 0.3 to 0.5 mm
Angular positioning of star points ( symmetry of signal ) to within ........... ... ... ....... ..... 1” max.
Resistance of module 960 to 1140 fi .................................................................................................. Centrifugal
advance curve identification mark ................................. . ..................... LA 5
Vacuum advance correction
curve identification mark : ..................................................
LA 3 Static advance
: 10” engine flywheel . .’ Strobe setting
: 25’ at 2500 rpm SPARK PLUGS
Spark plug gap ................. ....
.................... ................... ....... 0.6 to 0.7 mm
......................... .........
Tightening torque ( cylinder head cold ) ....................................................................
2 to 2.5 daNm
( spl,(,c,)’ //T(, /hrc,nc/ /ig/T//>f cc,i//T H ,VO J~/,N/) )) ) ...................................................... (14.5 to 18 ft.lb )
I IGNITION COIL ‘AND TRANSISTORISED MODULE ASSEMBLY
I
Manufacturer ...............
................... ........ .............. .............. .......
AC - DELCO
...........................
Reference N” 210
....................................................... ...
....................................................
Resistance of coil primary circuit ( at 205 C ) ............................................................ 0.48 - 0.61 R
Resistance of coil secondary circuit ( at 20” C ) ......................................................... 8500 to 10500 fl H.T. LEADS
Description of leads Length in mm
Coil to distributor ....................... 1040 to 1050 mm
Cylinder N” 1 ............................ 440 to 450 mm
Cylinder N” 2 ............................. 520 to 530 mm
Cylinder N” 3 ................................ 780 to 790 mm
Cylinder No 4 850 to 860 mm
............................ Re:;istance of leads ( at 20L C )
I
1120 to 1765 (1
480 to 780 Q
530 to s95 Q
825 to 1335 Q
900 to 1445 R

Downloaded from www.Manualslib.com manuals search engine OPERATION NO MA. 210-o : chcJckir,R fl,,d fld;linshp the, iRrlihil Op. MA. 210-O 1
M 20/616 M 22/617
M 23/623
ENGINES
1. Checking the dwell angle :
a) L’siep n SC,, 0, /C‘d‘,V gmg’s
Adjust the clearonce at the contact points to 0.40
mm I ‘Thic in,pwcic~~ wc,/hod iy PK,!
,I
ndr isvohle 1. ;i”
b) I’si,,fi a co,,, o,,~I<~ rh<,rkis~ drr’ir<, or RI,
,r 5.~~ :s
osri//risrop<~ :
The closing angle must be 55’ ? 2’30’
c) L’si,,g 0 d,,~r~ll,,,ct<~r :
The DWELL
ratio must be 61 i 3 .’ .‘.
.
2.
Checking the distributor timing :
i Disconnect the vacuum advance correction on 2350
cc engines M 23/623 )
a) hi,,c o \/robe lo,,,/~
Connect the H.T. lead from the strobe lamp
to the H T lead for No 1 cylinder at the dis-
tributor cop. Shine the strobe onto the fly-
wheel ( 1 ).through opening (( a P)
Run the engine at idling speed 850 +o 900
rpm ( Torque converter : 700 to 7x) rpm ).
Read off the advance on flywheel [ 1 ) in line
with fixed mark (< b 8). It must be 10 i 1
before T.D.C , , <,//or, v,or& S< < /> ,,
If not, slacken nut ( 2 ) and rotate distributor
to ohtoin this condition. Tighten nut (2) from
1.9 to 2.1 daNm ( 13.5 to 15 ft.lb ).
Stop the engine.
b) U.sivR n riin~uo.~~ir m,d od;uc!ir,,~ ~r~c~-lwu~h :
TECALEMIT
Model Tecamatic 30, SOURIAU,
models 1615.01, 1625-01 or 1256.61.
RABOTTI. model Robofast 103.
( These models are mentioned in the Equipment
and Repair Materials manual, OI in the green
Tools and Equipment Bulletins 1.
This method is recommended for its speed, its
precision and the ease with which it is carried
ou+.
Connect the 12-pin plug of the test-bench to the
corresponding socket on the diagnostic wiring
harness of the vehicle. makiug sure the
irrhibifor is litlrd rorwc~ly.
Run the engine at idling speed.
Read out the advance ( rma>rksha// drFwvs , on
the test-bench. It must be lo” + 1:. If not.
slacken nut (2) ond rotate the distributor to
obtain this condition.
Tighten nut (2 1 from 1.9 to 2.1 daNm ( 13.5
to 15 ft.lb 1.
Stop the engine.
Connect the YOCUU~ advance correction on 2350 cc
engines ( M 23/623 ).

Downloaded from www.Manualslib.com manuals search engine OPERATION No MA. 220-O : (.hrrkinfi Ih e oil pr~ssrrrc m the rehicle Op. MA. 220.0 1
CHECKING THE OIL PRESSURE ON THE VEHICLE
79-T 1. Remove spare
wheel.
2. Check oil level if necessary.
4. Preparing pressure checking apparatus
Connect pressure gauge 2279-T ( ,wdun/r~l
imn 0 /o IO hnrs 1 to union 6004-T.
Tiqhten union screw ( 3 )
6. Start engine With oil temperature at 100’ C pressure should
be :
a+ 2000 rpm 3 bars mini43.5 psi ) o+ 4000 rpm 4 to 5 bars (58 to 72.5psi)
7. Rrmave union 6004-T and pressure qouqe. Tightening torque : 30 to 35 m \ ( 3 to 3.5 m.kg)
( 21 l/2 to 25 l/2 ft.lb )
Connect supply lead
Replace spare wheel
NOTE This operation con also be carried out
with the aid of CI MULLER kit,reference 451.

Downloaded from www.Manualslib.com manuals search engine 12 OPERATION NP MA. 330.00 : (haro? gvmhr,, III. DRAINING AND REFILLING THE GEARBOX AND THE CONVERTER
1. Place the vehicle over a pit 01 on a ramp
2. Draining :
Remove the following
spare wheel
drain plugs ( I), ( 2 I and i 3 ),
plug ( 5) from the filler orifice
NOTE The suction filter ( 4) for the converter
pump must be replaced at the 1000 km ( 60C miles j
service.
3. Filling :
Refit drain plugs ( 1). (2 1 and ( 3 1.
Tightening torque : 3.5 to 4.5 daNm ( 25 l/2 to
32 l/2 ft.lb )
VERY IMPORTANT :
USE EXCLUSIVELY
(< TOTAL FLUIDE T o
THEUSEOFANYOTHERLUBRICANTWOULD
DESTROY THE CLUTCH, AND CONSEQUENTLY
THE CONVERTER
Fill up the gearbox
( Co$acity 2-3 litres ( 3 l/2 to 5 l/4 pints )
according to draining time)
Check the level with the dipstick
4. Top up the gearbox :
> nc I<, b<’ r<,r/niii 10 <,hini,,
I/><, o) Immobilise the front wheels and put the hond-
broke on.
b) Run the engine at idlinq speed, and engage 01
gear ( 3rd gear, for example )
Slightly move the gear lever to actuate the
electro .valve controlling the clutch, ( it is
actuated when a click is heard ). ( Repeat a
dozen times ).
c) Check the level with the dipstick with the
enqine running and gear lever in the P position.
d) Fit the filler plug.
5. Fit spore wheel

Downloaded from www.Manualslib.com manuals search engine 4 Turn the wheels 20’ inwards.
Set apparatus back to horizontal position.
Resentre spirit-level bubble ( 2) by turning disc(l).
Read off castor angle on RWCJ,J scnlr (at a a )) ).
Castor angle must be
between 0’25’ and 1015
O”erall.
If not, adjust castor angle
Adiusting castor angle :
IMPORTANT NOTE :
To carry out this adjustment it is essential to
use tool 6312 T class 2 which is required for fitting
lower wheelorm on front axle.
a) Remove :
wheel,
lower arm and castor angle adjusting shims (3 )
b)
Determining distribution of shims :
NOTES :
A minimum of 1 shim should be set on each
side of the wheelarm.
- Movement of
1 mm will vary castor angle by
15’.
Total thickness of shims fitted must corres-
pond to the total thickness of shims found on
dismantling, in order to maintain the correct
assembly of the wheelarm in axle unit.
c) Fit:
Lower wheelarm and shims (3 ).
Tightening torque on wheelarm spindle nut (4)
130 mc\U ( 13 m.kg ) (94 ft.lb).
wheel
d) Check castor angle.