2004 Citroen C3 Workshop Manual

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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engines: RHY RHZ N° RPO 9128 #
Slacken the screw (17)of the tensioner roller (18).
Remove the timing belt
(14).
Checks.
IMPERATIVE: Just before refitting, carry out the checks below.
Check that:
The rollers
(18)and (15)turn freely (without play and without any tight spot).
The coolant pump pulley
(16)turns freely (without play and without any tight spot).
There are no traces of oil leaks from the crankshaft and camshaft seals, etc.
The crankshaft pinion travels freely on the keyway.
Replace defective components if necessary.
Peg the crankshaft pinion
(19)by inserting tool [9]on the LH side of the keyway.
B1EP1A8DB1EP1A9C
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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: RHY RHZ N° RPO 9128 #
Reposition the timimg belt, belt at «a»well tensioned, in the following order:
Fuel high pressure pump pulley
(21).
Guide roller
(15).
Crankshaft pinion
(19).
Coolant pump pinion
(16).
Tensioner roller
(18).
Position tool
[1]on the belt at «a».
Remove tools
[4]and [9].
Turn the tensioner roller
(18)anticlockwise, using tool [2], to attain an overtension of:
98 ± 2 SEEM units.
Tighten screw
(17)of the tensioner roller to 2,5 ± 0,2 m.da N.
Lock the flywheel by means of tool
[6].
Tighten the accessories drive pulley screw
(8)to 7 ± 0,7 m.da N.
Remove tools
[1], [3], [5] and [6].
Rotate the crankshaft eight times in the normal direction of rotation.
Peg:
The crankshaft, using tool
[3].
The camshaft drive pulley, using tool
[5].
B1EP1ABDB1EP1ACC
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engines: RHY RHZ N° RPO 9128 #
Lock the engine flywheel, using tool [6].
Slacken:
The accessories drive pulley
(8).
The screw (17) of the tensioner roller (18).
Fit the tool [1].
Turn the tensioner roller, using tool [2], to attain a tension of:54 ± 2 SEEM units.
Tighten screw (17)of the tensioner roller (18)to 2,5 ± 0,2 m.daN.
Remove tool [1].
Fit tool [1].
The tension value should be:
54 ±3 SEEM units.ESSENTIAL: If the value is incorrect, recommence the operation.
Remove tools [1], [3], [5]and [6].
Rotate the crankshaft two times in the normal direction of rotation.
Peg:
The crankshaft, using tool
[3].
The camshaft drive pulley.
IMPERATIVE:If the pegging is not possible, recommence the operation.
B1EP1ACC
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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: RHY RHZ N° RPO 9128 #
Remove:
Tools [3]and [5].
Screw (7)and the spacer.
Refit: The lower, intermediate and upper covers
(5).
Screw (7), tighten to 1,5 ± 0,1 m.daN.
Screws (3), (4)and (6).
The bracket (13).
Screws (11), tighten to 6,1 ± 0,5 m.daN.
The nut (12), tighten to 4,5 ± 0,5 m.daN.
Fit the bearing shell (10).
Take away the workshop hoist.
Clip the fuel delivery and return pipes. Remove the tool
[7].
Couple:
The fuel delivery pipe
(12).
The fuel return pipe (1).
Coat the screw (8)with loctite FRENETANCH.
Refit the tool [6]and the screw (8)with the washer (22),
Tighten to 7 ± 0,2 m.daNand angular tighten to A = 60° ± 5°
[6].
Reposition and reclip the cooling hose.
Complete the refitting of components in reverse order to removal.
B1EP1A7CB1BP2R4CB1EP1ADC
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225
RFS
SPECIAL FEATURES OF THE TIMING
B1EP122C
Camshaft hub identification
Engine
RFSInlet
ExhaustHubs‘‘a’’ Engraving
B‘‘b’’Paint marking
BLUE

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ENGINEVALVE CLEARANCE SETTINGS
The valve clearances must be checked with the engine cold
Inlet
Petrol all types(Except16VNFU)
NFU
Petrol 16V all types
1.4 HDi
1.4 HDi 16V
Diesel 2.0 HDi
Diesel all types(Except Diesel 1.4 HDi
1.4 HDi 16V
2.0 HDi)0,20 mm ± 0,05Exhaust
0,40 mm ± 0,05
Hydraulic adjustment 1 mm ± 0,05
1 mm ± 0,05
Rocking
Adjust
1
1
3
3
4
4
2
24
4
2
2
1
1
3
3
Inlet

Adjust Rocking
Valves fully
openAdjust
1
3423 4
4
2
2
1
1
3
Fully open (Exhaust)
POSSIBLE PROCEDURES
For engines with 4 cylinders in a line (1342 )
Engines without hydraulic
adjustment: the clearance (J)should be checked opposite the
cam.
B1DP13QC
0,15 mm ± 0,08
0,30 mm ±0,08

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227
CHECKING THE OIL PRESSURE
To be read with the Petrol and Diesel correspondence tables
Plaque engine XFX KFV NFU 8HX
Temperature (°C) 90°C
Pressure (Bars) 3 4 1,3 3,5
Rpm 2000 4000 1000 4000
Tools (Kit 4103T)
2279T.Bis X X X X
4103T.B X X X X
7001T X X X1503.JX
C3 C3 Pluriel
Plaque engineHFXKFVKFUNFU8HX8HW8HV 8HY
Temperature (°C) 90°C
Pressure (Bars) 3 4 1,3 3,5
Rpm 2000 4000 1000 4000
Tools (Kit 4103T)
2279T.Bis X X X X X X X X
4103T.B X X X X X X X X
7001T X X X X
1503.JXX XX
NOTE:The oil pressure
should be checked with the
engine hot, after the oil level
has been checked.
C2 C3 C3 PLURIEL

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ENGINECHECKING THE OIL PRESSURE
To be read with the Petrol and Diesel correspondence tables
XSARA
Plaque engine KFW NFU RFN RFS 8HZ WJY RHY RHZ
Temperature (°C) 90°C 80°C 90°C
Pressure (Bars) 3 4 1,5 5,1 2 5,5 1,3 3,5 1,8 4,5 2 4
Rpm 2000 4000 1000 4000 1000 4000 1000 4000 1000 4000 1000 4000
Tools (Kit 4103T)
2279T.BisXXXXXX XX
4103T.B X X X X X X X X
7001T X
4202T X X X
5709T.B2 X
1503JX
4156TX
7017T.X23X
NOTE:
The oil pressure should be checked with the engine hot, after the oil level has been checked.
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