2005 Citroen C4 AUX

Downloaded from www.Manualslib.com manuals search engine 277
ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engine: RHR
Refitting.
Rotate the crankshaft ten times
(in the direction of rotation of the engine).
Peg the crankshaft, using tool [2] and the camshaft drive pinion, using tool [3].
Lock the flywheel, using tool [6].
Slacken the screw (8)of the auxiliaries drive pulley (7) and the screw (12)of
the tensioner roller (17).
Turn the tensioner roller
(clockwise), using a hexagonal spanner at «e».
Position the index «d»opposite the notch «f».
Tighten:
- The screw (12)of the tensioner roller (17)to 2,1 ± 0,2 m.daN.
- The auxiliaries drive pulley to 7 ± 0,7 m.daN.
Remove tools [2], [3]and [6].
Rotate the crankshaft two times
(in the direction of rotation of the engine).
Refit tools [2]and [3].
Check the position of the index «d», it should be opposite the notch «f».
B1EP1FKC
B1EP1FLC
C4
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Downloaded from www.Manualslib.com manuals search engine 278 278
ENGINECHECKING AND SETTING THE VALVE TIMING
Engine: RHR
Refitting.
IMPERATIVE: If the position of the index «d» is not correct, restart the operations to tension
the timing belt
(for this, slightly slacken the screw (12) of the tensioner roller).
Refit tool [6].
Remove the auxiliaries drive pulley (7).
Refit:
- The crankshaft position sensor target (10).
- The lower timing cover (9).
- The crankshaft position sensor (11).
- The lower torque reaction rod.
Take away the workshop hoist.
Coat the screw (8)with Loctite FRENETANCH.
Refit the auxiliaries drive pulley (7) and the screw (8)with its washer.
Tighten the screw (8)to 7 ± 0,7 m.daN, then angular tighten by A= 60°±5°.
Remove tools [2], [3] and [6].
Complete the refitting.
B1EP1FKC
B1EP1FLC
C4
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Downloaded from www.Manualslib.com manuals search engine AIR
CONDITIONING
437
CHECKING THE EFFICIENCY OF THE AIR CONDITIONING SYSTEM
Outillage EXXOTest
Outillage
(flash équipement & matériel).Exxoclim : 2.4.2-1
Mode d’emploi : Voir notice constructeur
Procédure de l’essai.
Contrôle.
Mettre en place l'outillage
(selon notice du constructeur).
Opérations préliminaires.
Fermer tous les aérateurs frontaux.
Démarrer le moteur.
Ouvrir l'aérateur frontal gauche.
Positionner la commande du répartiteur d'air sur«débit frontal».
Activer la commande«recirculation d'air».
Activer la commande"AIR
CONDITIONING ".
Position des commandes de AIR
CONDITIONING :
- Commande de température sur froid maxi.
- Commande de pulseur en position vitesse maximum.
Laisser la AIR
E5AP2N5D
Outillage VALEO
Outillage.
Clim test 2 : 4372-T
E5AP2N4D
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Downloaded from www.Manualslib.com manuals search engine AIR
CONDITIONING
443
CHECKING THE EFFICIENCY OF THE AIR CONDITIONING SYSTEM
Aircon circuit diagnosis table
Principal problem Symptom Possible causes
Aircon compressor clutch
Lack of aircon fluid in the aircon circuit
The clutch of the aircon compressor does not Aircon pressostat
engage, or disengages suddenly Aircon evaporator sensor
The aircon compressor does not turn Electrical circuit
(wiring, fuses, etc.)
or stops suddenly
Auxiliaries drive belt
Aircon compressor
The clutch of the aircon compressor remains Filtering and drying cartridge
engaged and stops suddenly
Aircon pressure reducer
Leak of aircon fluid
Aircon compressor clutch
Angl.-t2-page428-456-2005 9/01/06 10:25 Page 443

Downloaded from www.Manualslib.com manuals search engine AIR
CONDITIONING
444
CHECKING THE EFFICIENCY OF THE AIR CONDITIONING SYSTEM
Aircon circuit diagnosis table
Principal problem Symptom Possible causes
Incorrect adjustment of the aircon compressor
clutch
The clutch of the aircon compressor Aircon fluid quantity
remains engaged
Aircon compressor defective
The aircon compressor makes an abnormal Lack of aircon fluid in the aircon circuit
noiseAircon compressor valves defective
The clutch of the aircon compressor Aircon compressor clutch
remains engaged and slips
Auxiliaries drive belt
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