torque Citroen CX 1983 1.G Owner's Manual

Downloaded from www.Manualslib.com manuals search engine 2 OPERATION No MA. 210-00 :~~‘hornc:cris:ics mri special /~~nttrrc,.s o,/ /he ig/litiorl Spark plug gap .,...._.......,...,. ,..._. ,...... ., ,, ,,
Q.6 to 0.7 mm
1 iqhtenrng torque ( cylinder head cold ) .._..._._........._.......... .20 to 25 mN ( 2 to 2.5 m.kg)
f Smear the thread with e NO-BIND n ) - ( 14 l/2 to 18 ft.Ib ) IGNITION COIL
External resistor type
I Manufacturer
I DUCELLIER
I SEV MARCHAL
I MARELLI
Reference N” 2777 C E 44 910 312 BZR 206 A
Primary circuit resistance ( at 20” C ) 0.68 i 0.02 n 1.1 to 1.2 Q 0.8+ 10 .: ,R
Resistance of outer resistor (at 20” C ) 1.32 + 5 ‘; R 1.5 to 1.6 R 1.35 i 4 . . R
Secondary circuit resistance (at 20” C ) 7500 2 1000 n
6000 -!I 5 Cl 7500 + 10 !’ Q H.T. LEADS
Length in mm Resistance of leads ( at 20” C )
Manufacturer. .................. .......................................................... ..................................................... ELECTRIFIL
Reference ..................... ............. ........... ....... ....... ... ........................ ............ ......... Bougicord 400 RTF 33
All rY?biclas ( - I/’ 1975 1
Description of leads
Coil to distributor ............................ ...........
Distributor to No 1 cylinder ... . ..................
Distributor to No 2 cylinder .......................
Distributor to N” 3 cylinder ........................
Distributor to N” 4 cylinder ........................ 570 to 580 625 to 1025 !J
400 to 410 420 to 645 11
520 to 530 555 to 850 11
540 to 550 580 to 880 Q
710 to 720 770 to 1165 Q
I I I
Description of leads Length in mm
I Resistance of leads ( at 20” C )
Coil to distributor ......................................... 820 to83O- 10 1 75 -859 to 860
Distributor to No 1 cylinder ..................... 360 to 370
Distributor to N” 2 cylinder ........................ 520 to 530
Distributor to NC 3 cylinder ....................... 540 to 550
Distributor to N” 4 cylinder
...................... 710 to 720 920 to 1400 - 10 175 -93.3 to 1450
400 to 570 n
555 to 850 R
580 to 880 Q
770 to 1165 Q
I I 1

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 2 OPERATION No MA. 210-O : (.hrrkb,g nnci adiustiug ~hc igrzitim
If CI strobe lamp 01 a diagnosis test bench ore not available. adjusting the distributor timing may be carried out
using LT test lamp. with the engine at static advance point. ( See Chapter III, pages 4 and 5 ).
3. Check the spark regularity :
tisiag n s/robe Imp :
With the distributor timing properly odj.usted ( loi ? 1’ at 850 ?- 50 rpm or 700 ? 50 rpm for torque converter 1,
the advance point must remain within 2”.
1’s;~~ n dinpi,osfir /cs/-hozrh :
The start of opening, or the dwell angle value of the contact breaker ( according to the type of test-bench used )
should not vary by more than 2’ on each boss of the cam.
If this is not the case the rotor clrm 01 the contact breaker bock-plate ore faulty
The distributor must be reconditioned or replaced. II. CHECKING AND ADJUSTING THE DISTRIBUTOR ON A TEST-BENCH
L.21.4 ante LA 2
n Centrifugal adv

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 CHARACTERISTICS
1. Water circuit :
Self de-aerating type, with header tank.
- Filling : . . . . . . . .._................................................................................................................ Cap on header tank
- Level (Cold, iu de-upruled state ) : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See mark in header tank
- Coolant : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Water + anti-freeze
- Circuit protection : - 15” C ( 28 -: of anti-freeze )
. . . . . . . . . . . . . . . . . . . . .
30” C ( 50 ? of anti-freeze )
2. Radiators :
Surface of radiator :
- cx 2000 ( - 11 1975 ) Except optional towing equipment : . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 dm2 ( 248 sq.in )
- cx 2000 ( - I/ I’)75 ) optional towing equipment : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 dm2 (310 sq.in)
- cx 2000 ( 1/ 1975 - ) and CX 2200 : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 dm2 ( 310 sq.in )
- CX Prestige, except optional torque converter-air conditioning : . . . . . . . . . . . . . . . . . . . . . . . . . . 20 dm2 ( 310 sq.in )
- CX 2400, except Injection and optional torque converter-air-conditioning : . . . . . . . . 20 dm2 (310 sq.in)
- CX 2400 torque converter - air-conditioning + CX 2400 GTi : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 dm2 ( 356.5 sq.in )
- CX
E Prestige torque converter - air-conditioning : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 dm2 ( 356.5 sq.in )
8
-7 NOTE : Radiators originally fitted to the vehicles differ according to the type of vehicle on which they are fitted,
co
_- 03 in the material used for the coolant channels, and the distance between the cooling fins.
T
2 3. Radiator cap (or pressure relief valve) calibration (rap scwzmcl 011) : . . . 1 bar (14.5 psi)
I 4. Thermostat :
- Make : .............................................................................................................................. CALORSTAT
- Reference No : ................................................................................................................ V 6215
- Begins to open at : ........................................................................................................ 84’ C
5. Thermal switch for temperature warning lamp (011 cyli~~d(,r-hc~ad)
- The warning lamp lights up (on the, ivstrrlmeut pnr~(,I) at the following temperatures :
- 16 dm2 (248 sq.in) radiator : . . . . . . . . . . . . .
Ii3 to 117O c
- 20 and 23 dm2 (310 and 356.5 sq.in) radiators : . . . . 110.5 to 113.5” c
- Tightening torque : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . .
2.5 to 3 da Nm (18 to 21.5 ft.lbs)
NOTE :
The coolant return hose for the heater unit has a white identification mark painted on it.
Make sure heater hoses are correctly fitted to the heater unit.

Downloaded from www.Manualslib.com manuals search engine 6. Electric cooling fans :
- 16 dm2 (248 sq.in ) radiator ( CX 2000 except optional towing equipment ) ,......... 1
- 20 dm2 (310 sq.in ) radiator (CX 2000 and 2200 except optional towing
equipment, or torque converter, or air-conditioning) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
- 20 dm2 (310 sq.in ) radiator ( CX 2200 with optional towing equipment or
torque converter ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
20 dm2 (310 sq.in ) radiator ( CX 2200 with air-conditioning) ,............................... 2
- 20 dm2 (310 sq.in) radiator ( CX Prestige) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
- 20 dm2 (310 sq.in) radiator (CX 2400, except optional towing equipment
or torque converter, or air-conditioning ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
20 dm2 ( 310 sq .in ) radiator ( CX 2400 with optional towing equipment, or
torque converter, or air-conditioning ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
- 23 dm2 (356.5 sq.in ) radiator, ( CX 2400 GTi except optional towing equipment ) 1
- 23 dm2 (356.5 sq.in) radiator, (CX 2400 and Prestige with optional torque
converter and air~conditioning, and CX 2400 Gti with optional towing
equipment ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1 O-blade fan
5-blade fan
5-blade fans
lo-blade fans
1 O-blade fans
1 O-blade fan
1 O-blade fans
10 blade fan
lo-blade fans
The electric cooling fans are controlled by a thermal switch (011 /he
radiator)
e Power rating of electric fan : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 W
Direction of rotation ( S(J(‘IJ ~YOIII
c>lcctric ~/o/or side of /alI ) : . . . . . Clockwise
- Cut-in thermal switch :
1.6 dm2 (248 sq.in ) 20 dm2 ( 310 sq.in ) and
radiator 23 dm2 (356.5 sq.in,) rads
- Electric fan ( s ) cuts in at . . 101 to
103.5” c, 95 to loo0 c
-. Electric fan ( s ) cuts out (with
trmperatnw decreasing )
at : ._._._._._........... 9 5 to 920 c 95 to 9o” c
- Tightening torque (fit gasket with LOCTITE FRENETANCH ) : 1.8 to 2 da Nm ( 13 to 14.5 ft.lbs)

Downloaded from www.Manualslib.com manuals search engine COOLING SYSTEM
2 4 litre engine, torque converter and air conditinninq (Thermostat and heater unit open)
Partial view F
8
1 Radiator
2 Electric fon (5)
3 De-aerating pipe
4 Header tank
5 De-aeration chamber
6 Thermostat
7 Heater unit
8 Drain top
9 Cylinder head outlet tank Cold coolant
,
I-
J1
- 0 Thermal switch for electric fan (s)
l-J 7
6
Thermostat open

Downloaded from www.Manualslib.com manuals search engine OPERATION No MA. 236.0 : C h<,rki,,p a,,d nd;r,slh,p I/w jwllr\s aurl /x,//s Op. MA. 2360 I
PULLEY ALIGN& IENT
1. Aligning the camshaft pulley :
a) Position device 3085-T on the water pump
pulley.
b) Bring its rod into contact with the groove of the
camshaft pulley.
NOTE Aligning the camshaft pulley is carried
out by’plocing shims behind the pulley.
Tightening torque for nut (2) for the comshoft
pulley : 8 daNm ( 58 h.lb ).
2. Aligning the alternator pulley :
Proceed as for camshaft pulley / ,,,;/I> s SC-r<,!, , j I /or I,,<, RllI~)11010F c<)L,, <,d i,, ,,
NOTE Aligning the alternator pulley is carried
out by plocinq shims behind the pulley.
Tightening torque for nut (4) for the olternatov
pulley : 4 daNm ( 29 ft.lb ).
3. Aligning the high pressure pump :
a ) Tighten pump on its support plate
b) Place device 3085-T on the camshaft pulley.
c) Brinq its rod into contact with the groove of the
pump pulley.
NOTE Aliqninq the H P pump is curried out using
adjustment shims placed between the pump housing
and the support plate.
Tightening torque for the nut securing the H.P. pump :
4 doNm ( 29 ft.lb ).
NOTE Vchirlc,s filled ,,~;//I oirrrii,rli/iriniii,~
For the alignment of the compressor pulley, SLO
Opr~mrio~, MA, ~,40.,-(,.

Downloaded from www.Manualslib.com manuals search engine TORQUE CONVERTER
I. CHARACTERISTICS
- Torque converter with incorporated disc clutch. Make FERODO ( VERTO system ). Type 697 ( CX 2200 )
or 693 ( CX 2400 ).
_ Clutch engagement and disengagement are controlled by a hydraulic system with an electro valve unit
I This electro-va,lve is itself controlled by an electric switch operated by the gearbox selector shafts.
- Conversion ratio of converter 2 30 1 ( 697 type )
2.20 1 ( 693 type ) II. SPECIAL FEATURES
Adiustments :
- Contact gap in electric switch unit ,controlling the electro-valve
NOTE The gap for the 2nd/ 3rd gear contacts must only be adjusted once the selector shaft stop-screws have
been adjusted ( See Op. MA. 330-00 ),
- Gap at 2nd/ 3rd gear contacts 0 8 to 1.1 mm
- Gap at lst/ Rev. gear contacts ’ 13+02mm
. . . . . . . . . . . . .._.......
- Operating pressure for the converter oil system c /)IIv//~ ~c,I//v/I J :
- at 700 rpm 3.5 bars ( 51 psi ) min
_ at 2000 i A00 rpm 5.5 bars ( 80 psi 1 min 1
Oil l,c~~~i/~~~i’NItrrc~ 80: (.
- at maximum revs .,......... 10 bars ( 145 psi ) ( II./IN/<‘I (‘7 /h(, I<,ml,(a,‘flt~ro )