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ENGINE
CHECKING AND SETTING THE VALVE TIMING
TU
JP
3
J410
A J4S
Engine type
C4
XSARA
XSARA PICASSO
See pages:
KFW KFU NFV NFU 6FZ RFJ RFN RFK
XX XXX
XX X
XX X
185 to 187 188 to 192 185 to 187 197 to 202 193 to 196 217 to 223 103 to 209 210 to 216 217 to 223 224 to 231EW
5
J4 7 ETTUJP4 J4JP+
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ENGINECHECKING THE VALVE TIMING
Engine: KFU
Tools.
[1] Flywheel setting peg: 4507-TA. Toolkit 4507-T
[2] Camshaft setting peg: 4533-TA.C1
[3] Camshaft setting peg: (-).0194.A
IMPERATIVE: Respect the safety and cleanliness requirements.
Checking.
Deconnect the battery.
Remove:
- The engine cover.
- The upper timing cover (1).
- The oil filter (2).
Remove the sparking plugs to facilitate rotation of the engine.
Turn the engine by means of the crankshaft screw.
IMPERATIVE: Never turn the engine backwards.
Suspend the engine.
Remove:
- The screws (3), the upper RH engine support (4)and the screws (5).
B1BP37JC
B1BP37KC
C4
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ENGINE
CHECKING THE VALVE TIMING
Engine: KFU
Checking (continued).
Position the tools [3]and [2].
Peg the flywheel, using tool [1].
NOTE:If the setting is not correct, recommence the operation.
Remove the tools.
Complete the refitting.
B1BP2ZMC
B1BP2MBC
C4
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ENGINECHECKING AND SETTING THE VALVE TIMING
Engine: KFU
Tools.
[1]Flywheel setting peg: 4507-T.A
[2]Camshaft setting peg: 4533-T.AC1
[3] Camshaft setting peg: (-).0194.A
[4] Belt retaining pin: 4533-TA.D
IMPERATIVE: Respect the safety and cleanliness requirements.
Setting the timing.
Raise and support the vehicle, wheels hanging.
Disconnect the battery.
Remove the engine cover.
Raise and support the vehicle, wheels hanging.
Remove:
- The accessories drive belt (3)
(see corresponding operation).
- The crankshaft pulley, the engine cover.
- The upper timing cover (1).
- The oil filter (2).
Remove the sparking plugs to facilitate rotation of the engine.
Suspend the engine.
Remove the screws (4), the upper RH engine support (5)and the screws (6).
B1BP37QD
B1BP37RC
C4
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ENGINE
191
CHECKING AND SETTING THE VALVE TIMING
Engine: KFU
Setting the timing (continued).
Rotate the engine by means of the crankshaft screw
(clockwise), to bring it to the pegging position.
Peg the flywheel, using tool [1].
Position the tools [2]and [3].
Remove the engine support assembly (9), the fixing
screw (8)and the lower cover (7).
Slacken the nut (11).
Fully detension the belt by moving the tensioner
roller (10).
Remove the timing belt.
IMPERATIVE: Check that the tensioner roller
turns freely
(no tight spot).
Refitting.
Position the
(new)timing belt, in the following
sequence:
- The inlet camshaft pulley, the exhaust camshaft
pulley, the guide roller, the crankshaft pulley, position
the tool [4], the coolant pump pulley, the dynamic
tensioner roller.
Remove the tools [1], [2], [3]and [4].
B1BP2MBC
B1BP2ZMC
B1CP0GLD
B1CP0GMD
C4
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ENGINECHECKING AND SETTING THE VALVE TIMING
Engine: KFU
Overtension on the belt.
Position «a»: Tensioner roller in detensionedposition.
Position «b»: Tensioner roller in normalposition.
Position «c»: Tensioner roller in overtensionposition.
Turn the tensioner roller (10), using an allen spanner at «e».
Place the index «d»in position «c», hold the belt to the maximum of the interval indicated.
Tighten the tensioner roller fixing nut to 2,1 ± 0,2 m.daN.
Rotate the crankshaft four turns
(normal direction of rotation).
IMPERATIVE: Never turn it backwards.
Check the timing setting by refitting the pegs [1], [2] and [3].
Remove the pegs [1], [2]and [3].
Adjusting the fitting tension of the timing belt.
Slacken the nut, holding the position of the tensioner roller, using an allen spanner at «e».
Bring the index «d»to its adjustment position at «b».
WARNING: The index «d» should not go past the notch «b». If it does, repeat the operation
to tension the timing belt.
Maintain the roller (10)in this position, using an allen spanner.
Tighten the tensioner roller fixing nut to 2,1 ± 0,2 m.daN.
IMPERATIVE: The tensioner roller should not turn during the tightening of its fixing. If it
does, repeat the operation to tension the timing belt.
Complete the refitting.
B1EP1DTC
B1EP1DUC
C4
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279
C4CHECKING THE OIL PRESSURE
Petrol Diesel
Engine type KFU NFU RFJ RFN RFK 9HX 9HY 9HZ RHR
Temperature (°C) 90° 80°
Pressure (bars) 1,5 3 1,3 1,9
Rpm1000
Pressure (bars) 3 5,6 4
Rpm 2000 2000 2000
Pressure (bars) 5 6,3
Rpm 3000 3000
Pressure (bars) 43,5
Rpm 40004000
Tools (Toolkit 4103)
2279-T.Bis X X X X X X X X X
4103-T X X X X X X X X X
(-).0710.F1 X
(-).0710.B1 X
(-).1503.JXX X
4103-T.B X X
7001-T X X X X X
4202-T X X
NOTE: The oil pressure should be checked with the engine hot, after the oil level has been checked.
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IGNITION
VehiclesEngine
BOSCH EYQUEM CHAMPION SAGEMElectrode gap Tightening
typesetting torque
1.4i 16V KFU VR8SE2,25 ± 0,2
1.6i 16V NFU3 ± 0,3
C4 2.0i 16V RFN RFN52HZ3A
2.0i RFJ REC9MCLX 2,7 ± 0,2
2.0i 16V RFK FR 7 ME
1.4i KFW FR 7 DE RFN 58 LZ RC 8 YLC 0,9 ± 0,05
XSARA 1.6i 16V NFU FR 7 ME RFN 58 HZ
2.0i 16V RFN FR 8 ME RFN 52 HZ REC 9 YCL 2,5 ± 0,2
1.6i90 hp
NFV RFN 58 LZ
XSARA100 hp FR 7 DE RC 8 YLC
PICASSO 1.8i 16V 6FZ
FR 8 ME RFN 52 HZ REC 9 YCL
2.0i 16V RFN
SPARKING PLUGS
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